{"id":16306,"date":"2021-08-09T11:53:11","date_gmt":"2021-08-09T06:23:11","guid":{"rendered":"https:\/\/apboardsolutions.guru\/?p=16306"},"modified":"2021-09-15T20:38:58","modified_gmt":"2021-09-15T15:08:58","slug":"ap-10th-class-biology-bits-chapter-6","status":"publish","type":"post","link":"https:\/\/apboardsolutions.guru\/ap-10th-class-biology-bits-chapter-6\/","title":{"rendered":"AP 10th Class Biology Bits Chapter 6 Reproduction with Answers"},"content":{"rendered":"

Practice the AP 10th Class Biology Bits with Answers<\/a> Chapter 6 Reproduction on a regular basis so that you can attempt exams with utmost confidence.<\/p>\n

AP State Syllabus 10th Class Biology Bits 6th Lesson Reproduction with Answers<\/h2>\n

Concept – 1 : Introduction – Asexual Mode of Reproduction<\/span><\/p>\n

Question 1.
\nFission , budding and fragmentation are the types of …………………….
\nA) Binary fission
\nB) Sexual reproduction
\nC) Multiple fission
\nD) Asexual reproduction
\nAnswer:
\nD) Asexual reproduction<\/p>\n

Question 2.<\/p>\n\n\n\n\n\n\n
List A<\/td>\nList B<\/td>\n<\/tr>\n
1. Fragmentation<\/td>\na) Fungi<\/td>\n<\/tr>\n
2. Budding<\/td>\nb) Paramoecium<\/td>\n<\/tr>\n
3. Binary fission<\/td>\nc) Flatworm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Identify the mis – matched pairs
\nA) 1, 2
\nB) 2, 3
\nC) 1, 3
\nD) 1, 2, 3
\nAnswer:
\nB) 2, 3<\/p>\n

\"AP<\/p>\n

Question 3.
\nIn ants king ant along with queen ant and labour ants exist in numerous numbers
\n1) These are formed by division of ovule
\n2) Parthenogenesis is the reason
\nChoose the correct statement.
\nA) 1 only
\nB) 2 only
\nC) Both are correct
\nD) Both are wrong
\nAnswer:
\nB) 2 only<\/p>\n

Question 4.
\nCut end tail in lizard regenerates.But it doesn’t happen in monkey. Why ?
\nA) Tail of lizard is important
\nB) Monkey can survive even without tail
\nC) Regeneration capacity is less in monkey
\nD) Regeneration capacity is less in lizard.
\nAnswer:
\nC) Regeneration capacity is less in monkey<\/p>\n

Question 5.
\nOne of the following sentences is not correct about fission
\nA) This occurs in unicellular organism
\nB) Rarely occurs in man
\nC) Fragmentation shows identical characters
\nD) Binary and multiple fission are the types of fissions.
\nAnswer:
\nB) Rarely occurs in man<\/p>\n

Question 6.
\nFragmentation is a common method of reproduction in :
\nA) Algae & Fungi
\nB) Yeast
\nC) Paramoecium
\nD) Amoeba
\nAnswer:
\nA) Algae & Fungi<\/p>\n

Question 7.
\nChoose the correct statement regarding budding.
\nA) Organism divides from parental organism by fission
\nB) Body divides into pieces
\nC) Occurs with fusion of gametophytes
\nD) Some projections grow from the body which are identical
\nAnswer:
\nD) Some projections grow from the body which are identical<\/p>\n

Question 8.
\nFind out the organisms that perform budding.
\ni) Amoeba
\nii) Hydra
\niii) Yeast
\niv) Bacteria
\nA) i only
\nB) iii only
\nC) ii, iii
\nD) All
\nAnswer:
\nC) ii, iii<\/p>\n

Question 9.
\nFind out the organisms which undergo fragmentation
\ni) Lichens
\nii) Spirogyra
\niii) Flatworms
\niv) Moulds
\nA) ii only
\nB) iii only
\nC) i,ii,iii
\nD) All
\nAnswer:
\nB) iii only<\/p>\n

\"AP<\/p>\n

Question 10
\nReproduction is a necessary life process in plants and animals because it helps in:
\nA) Growth of an organism
\nB) Continuation of life
\nC) Energy production
\nD) Providing nutrients
\nAnswer:
\nB) Continuation of life<\/p>\n

Question 11.
\nName the adjacent plant.
\n\"AP
\nA) Aspergillus
\nB) Rhizopus
\nC) Bryophyllum
\nD) Agaricus
\nAnswer:
\nB) Rhizopus<\/p>\n

Question 12.
\nWhich of the following organisms do not reproduce by spores?
\nA) Rhizopus
\nB) Mucor
\nC) Yeast
\nD) Bacteria
\nAnswer:
\nC) Yeast<\/p>\n

Question 13.
\nSpirogyra undergoes one of these types of sexual reproduction.
\nA) Fission
\nB) Fragmentation
\nC) Budding
\nD) A or C
\nAnswer:
\nB) Fragmentation<\/p>\n

Question 14.
\n…………………………. leads to development of zygote without fertilisation.
\nA) Parthenogenesis
\nB) Regeneration
\nC) Cutting
\nD) Layering
\nAnswer:
\nA) Parthenogenesis<\/p>\n

Question 15.
\nOne of the following is not concerned with parthenogenesis.
\nA) Parthenogenesis occurs even in sexually reproducing organisms.
\nB) Daughter organism dies,
\nC) It occurs in the organisms belonging to Rotiferous.
\nD) Sexual and asexual reproduction occur at the same time.
\nAnswer:
\nB) Daughter organism dies.<\/p>\n

Question 16.
\nExternal fertilisation occurs in
\nA) frog – snake
\nB) fish – snake
\nC) frog – fish
\nD) fish – rat
\nAnswer:
\nC) frog – fish<\/p>\n

\"AP<\/p>\n

Question 17.
\nWhich of the following statements is not true about budding in yeast ?
\nA) A bud may arise from any part of the parent cell
\nB) Before detaching from the parent body, a bud may form another bud.
\nC) A bud may separate from the parent body and develops into a new individual.
\nD) A bud arises from a particular region on a parent body.
\nAnswer:
\nB) Before detaching from the parent body, a bud may form another bud.<\/p>\n

Question 18.
\nIn which of the following both sexual and asexual reproduction can be seen ?
\nA) Crocodile
\nB) Cheetah
\nC) Honey bees
\nD) Fluman beings
\nAnswer:
\nC) Honey bees<\/p>\n

Question 19.
\nAmoeba undergoes cystation and divides into many organisms in unfavourable conditions. This is called
\nA) Binary fission
\nB) Longitudinal binary fission
\nC) Budding
\nD) Multiple fission
\nAnswer:
\nD) Multiple fission<\/p>\n

Question 20.<\/p>\n\n\n\n\n\n\n
List – I<\/td>\nList – II<\/td>\n<\/tr>\n
1. Budding<\/td>\na) Yeast<\/td>\n<\/tr>\n
2. Fission<\/td>\nb) Lizard<\/td>\n<\/tr>\n
3. Binary fission<\/td>\nc) Bacteria<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Find out the correct pairs.
\nA) 1, 2
\nB) 2, 3
\nC) 1, 3
\nD) 1, 2, 3
\nAnswer:
\nC) 1, 3<\/p>\n

Question 21.
\nSneha went to market to buy the seedless fruits. Her daughter astonished how seedless fruits generate. How are seedless fruits produced ?
\nA) Remove the seeds from fruits
\nB) Parthenogenesis
\nC) Androgenesis
\nD) No such fruits
\nAnswer:
\nB) Parthenogenesis<\/p>\n

Question 22.
\nThe organism which reproduces through conjugation is ……………………………..
\nA) Amoeba
\nB) Euglena
\nC) Paramoecium
\nD) Bacteria
\nAnswer:
\nC) Paramoecium<\/p>\n

Question 23.
\nThe process that is performed by paramoecium to attain the lost energy
\nA) Conjugation
\nB) Vegetative propagation
\nC) Production of spores
\nD) Internal fertilization
\nAnswer:
\nA) Conjugation<\/p>\n

\"AP<\/p>\n

Question 24.
\nThe process in which the organisms produce their generation :
\nA) Reproduction
\nB) Respiration
\nC) Endocrine system
\nD) Growth
\nAnswer:
\nA) Reproduction<\/p>\n

Question 25.
\nIn which of the following organisms binary fission does not occur ?
\nA) Amoeba
\nB) Leech
\nC) Paramoecium
\nD) Euglena
\nAnswer:
\nB) Leech<\/p>\n

Question 26.
\nWhich of the following material changes in paramoecium during conjugation ?
\nA) Protoplasm
\nB) Nucleic material
\nC) Sap of vacuoles
\nD) Chromatin material
\nAnswer:
\nB) Nucleic material<\/p>\n

Question 27.
\nWhat does this diagram represent ?
\n\"AP
\nA) Budding in Hydra
\nB) Multiple fission in Bacterial
\nC) Regeneration in Planaria
\nD) Fragmentation in Spirogyra
\nAnswer:
\nC) Regeneration in Planaria<\/p>\n

Question 28.
\nExample for Hermaphrodites:
\nA) Prawn
\nB) Cockroach
\nC) Snail
\nD) Earthworm
\nAnswer:
\nD) Earthworm<\/p>\n

Question 29.
\nThis organism reproduces by budding,
\nA) Paramoecium
\nB) Euglena
\nC) Yeast
\nD) Amoeba
\nAnswer:
\nC) Yeast<\/p>\n

Concept – 2: Vegetative Propagation<\/span><\/p>\n

Question 30.
\nThe part called ………………… (i) ……………….. growing in the soil is grafted with …………………………. (ii) ………………….. of the plant.
\nA) i – stock, ii – branch
\nB) i – scion, ii – bud
\nC) i – stock, ii – scion
\nD) i – branch, ii – bud
\nAnswer:
\nC) i – stock, ii – scion<\/p>\n

\"AP<\/p>\n

Question 31.
\nThe best method for extracting desirable characters in the plants
\ni) Grafting
\nii) Layering
\niii) Laboratory method
\niv) Genetic engineering
\nA) i – only
\nB) ii – only
\nC) iii – only
\nD) iv – only
\nAnswer:
\nA) i – only<\/p>\n

Question 32.
\nFind out vegetative propagation depicted in the picture.
\n\"AP
\nA) Cutting
\nB) Grafting
\nC) Ground layering
\nD) Root buds
\nAnswer:
\nA) Cutting<\/p>\n

Question 33.
\nIn grafting the plant part which supplies% nutrients from soil is called
\nA) Scion
\nB) Graft
\nC) Stock
\nD) Branch
\nAnswer:
\nC) Stock<\/p>\n

Question 34.
\nModern technology of artificial propagation of plants ……………………
\nA) Tissue culture
\nB) Fragmentation
\nC) Layering
\nD) Grafting
\nAnswer:
\nA) Tissue culture<\/p>\n

Question 35.
\n“Nerium” is propagated by …………………….
\nA) Stolon
\nB) Layering
\nC) Corn
\nD) Bulbs
\nAnswer:
\nB) Layering<\/p>\n

Question 36.
\n1. Stolon
\n2. Bulbs
\n3. Corns
\nPick out the right option for above methods of vegetative propagation.
\na) Vallisnaria
\nb) Onion
\nc) Potato
\nd) Colacasia
\nA) 1 – a, 2 – b, 3 – c
\nB) 1 – b, 2 – a, 3 – d
\nC) 2 – b, 3 – c, 1- a
\nD) 1 – a, 2- b, 3 – d
\nAnswer:
\nD) 1 – a, 2- b, 3 – d<\/p>\n

Question 37.
\nStock and scion are attached. Which type of characters will come in the offspring?
\nA) Characters of stock
\nB) Characters of scion
\nC) Special desired characters
\nD) Can’t say
\nAnswer:
\nC) Special desired characters<\/p>\n

\"AP<\/p>\n

Question 38.
\nThe most useful reproductive process in the development of ornamental and horticulture field.
\nA) Binary fission
\nB) Budding
\nC) Vegetative propagation
\nD) Multiple fission
\nAnswer:
\nC) Vegetative propagation<\/p>\n

Question 39.
\nThe plant that propagates through root cuttings
\nA) Rose
\nB) Carrot
\nC) Mango
\nD) Hibiscus
\nAnswer:
\nB) Carrot<\/p>\n

Question 40.
\nWhich of the following reproduces through leaves ?
\nA) Bryophyllum
\nB)) Rose
\nC) Watermelon
\nD) Marigold
\nAnswer:
\nA) Bryophyllum<\/p>\n

Question 41.
\nThe vegetative propagation in weak aerial stem plant is by
\ni) Runner
\nii) Stolon
\niii) Tuber
\niv) Corn
\nA) i only
\nB) iv only
\nC) i, iii only
\nD) i, ii only
\nAnswer:
\nD) i, ii only<\/p>\n

Question 42.
\nThe plants species generally propagated by layering.
\nA) Nerium
\nB) Jasmine
\nC) Bryophyllum
\nD) A & B
\nAnswer:
\nD) A & B<\/p>\n

Question 43.
\nThe scientist who discovered tissue culture is
\nA) M.S. Swaminathan
\nB) O. Maheswari
\nC) Haberlandt
\nD) Ion Wilmont
\nAnswer:
\nC) Haberlandt<\/p>\n

Question 44.
\nThousands of plants can be grown in very short interval of time in …………………….. method.
\nA) Cloning
\nB) Tissue culture
\nC) Hybridization
\nD) Crossing
\nAnswer:
\nB) Tissue culture<\/p>\n

\"AP<\/p>\n

Question 45.
\nThe type of vegetative reproduction in strawberry is ……………
\nA) bulbs
\nB) stolons
\nC) tubers
\nD) corms
\nAnswer:
\nB) stolons<\/p>\n

Concept – 3 : Spore Formation<\/span><\/p>\n

Question 46.
\nWhich of the following is correct regarding the functions of Lactobacillus?
\n1. Making of curd
\n2. To luke – warm milk
\n3. To make sweet
\n4. To make hot milk cool
\nA) 1,2
\nB) 1, 2, 3
\nC) 2, 3,4
\nD) 1 only
\nAnswer:
\nA) 1,2<\/p>\n

Question 47.
\nTilak left a piece of bread on the table. Next day it became black. The reason
\ni) Fungal growth appears
\nii) Rhizopus appears on the bread
\niii) Bacterial growth appears
\niv) Virus affects the bread
\nA) i, ii, iii correct
\nB) ii, iii correct
\nC) iii, iv correct
\nD) i, ii correct
\nAnswer:
\nD) i, ii correct<\/p>\n

Question 48.
\nWhich of the following reproduce througe spores?
\ni) Mucor
\nii) Bacteria
\niii) Rhizopus
\niv) Fern
\nA) i only
\nB) ii, iii, iv only
\nC) ii, iii only
\nD) All
\nAnswer:
\nD) All<\/p>\n

Question 49.
\nWhich of the following is not Concerned with stored bread mould.?
\nA) Blackish material forms on the bread
\nB) Formed fungi is Rhizopus
\nC) The fungi Rhizopus keeps the bread fresh
\nD) Spores are formed in Rhizopus
\nAnswer:
\nC) The fungi Rhizopus keeps the bread fresh<\/p>\n

Question 50.
\nThe functions of Lactobacillus
\ni) curdling of milk
\nii) boiling milk
\niii) kova preparation
\niv) cooling of milk
\nA) i, ii
\nB) i, ii, iii
\nC) ii, iii, iv
\nD) i only
\nAnswer:
\nD) i only<\/p>\n

Question 51.
\nTo obtain fungal structures we use one of the food material
\nA) Dry seeds
\nB) Roti
\nC) Smoked fish
\nD) A or B
\nAnswer:
\nB) Roti<\/p>\n

\"AP<\/p>\n

Question 52.
\nFind out the given picture.
\n\"AP
\nA) Spores in neem leaf
\nB) Sori infern
\nC) Fungi
\nD) Spores in mango
\nAnswer:
\nB) Sori infern<\/p>\n

Question 53.
\nThe acid present in milk is
\nA) Citric acid
\nB) Asteric acid
\nC) Lactic acid
\nD) Ascorbic acid
\nAnswer:
\nC) Lactic acid<\/p>\n

Concept – 4 : Male Reproduction System<\/span><\/p>\n

Question 54.
\nWhich part of the male reproductive system produces (human) the sperm cells ?
\nA) Seminiferous tubule
\nB) Epididymis
\nC) Bladder
\nD) Scrotum
\nAnswer:
\nA) Seminiferous tubule<\/p>\n

Question 55.
\nName the part ‘X’ in the given diagram.
\n\"AP
\nA) Acrosome
\nB) Head
\nC) Nucleus
\nD) Tail
\nAnswer:
\nA) Acrosome<\/p>\n

Question 56.
\nThe ……………………. supplies nutrients to sperm.
\na) Prostate gland
\nb) Cowper gland
\nc) Testosterone
\nd) Adrenal gland
\nA) a, c
\nB) c, b
\nC) b, d
\nD) a, b
\nAnswer:
\nD) a, b<\/p>\n

Question 57.
\nThe fertilisation which occurs outside the body is
\nA) External fertilisation
\nB) Internal fertilisation
\nC) Tissue culture
\nD) Oviparous
\nAnswer:
\nA) External fertilisation<\/p>\n

Question 58.
\nFind out the incorrect sentence regarding fertilisation in fish
\nA) External fertilisation
\nB) Female produces numerous ova
\nC) Male produces only one sperm
\nD) Fertilisation is influenced by nature
\nAnswer:
\nC) Male produces only one sperm<\/p>\n

\"AP<\/p>\n

Question 59.
\nConsider the statements a & b.
\na – Vasa efferentia forms epididymis
\nb – Sperms are produced in millions
\nA) Both a & b are true
\nB) a is true, b is false
\nC) b is true, a is false
\nD) Both a & b are false
\nAnswer:
\nA) Both a & b are true<\/p>\n

Question 60.
\nSemen is a gelatinous substance. It is secreted by ………………
\nA) Salivary and cowper’s glands
\nB) Cowper’s and gastric glands
\nC) Seminal vesicles
\nD) Cowper’s glands
\nAnswer:
\nC) Seminal vesicles<\/p>\n

Question 61.
\nIn which of the following reproduction processes fusion of gametophytes occur?
\nA) Vegetative propagation
\nB) Sexual reproduction
\nC) Asexual reproduction
\nD) Multiple fission
\nAnswer:
\nB) Sexual reproduction<\/p>\n

Question 62.
\nThe sperms enter into ……………….. from seminal vesicles.
\nA) Epididymis
\nB) Seminal duct
\nC) Prostate gland
\nD) Urethra
\nAnswer:
\nA) Epididymis<\/p>\n

Question 63.
\nThe development of male reproductive organs is regulated by
\nA) Testosterone
\nB) Vasopressin
\nC) Progesterone
\nD) Oestrogen
\nAnswer:
\nA) Testosterone<\/p>\n

Question 64.
\nSperm cells of human male reproductive system are produced from ………………..
\nA) seminiferous tubules
\nB) epididymis
\nC) scrotum
\nD) prostate gland
\nAnswer:
\nA) seminiferous tubules<\/p>\n

Question 65.
\n\"AP
\nConsider the given picture.
\nWhat will be consequence if vasa deferentia is detached ?
\nA) Sperms are not produced
\nB) Sperms do not reach seminal vesicle
\nC) Person will die
\nD) Cowper’s gland becomes inactive
\nAnswer:
\nB) Sperms do not reach seminal vesicle<\/p>\n

\"AP<\/p>\n

Question 66.
\nWhich of the following is concerned with male reproductive system ?
\nA) Fallopian tubes
\nB) Testes
\nC) Placenta
\nD) Umbilical cord
\nAnswer:
\nB) Testes<\/p>\n

Question 67.
\nThe main function of acrosome in sperm is
\nA) Respiration
\nB) Movement
\nC) Excretion
\nD) Helps in entry into egg cell
\nAnswer:
\nD) Helps in entry into egg cell<\/p>\n

Question 68.
\nThe sending out of semen from male’s body is called
\nA) reproduction
\nB) ejaculation
\nC) ovulation
\nD) fertilisation
\nAnswer:
\nB) ejaculation<\/p>\n

Question 69.
\nThe reason for growth of beard and moustache in males is
\nA) Secondary sexual characters
\nB) Sexual hormones
\nC) Growth of muscles
\nD) Inheritance
\nAnswer:
\nB) Sexual hormones<\/p>\n

Question 70.
\nWhich of the following gland belongs to male reproductive system ?
\nA) Salivary gland
\nB) Sebacious gland
\nC) Gastro enteron
\nD) Cowper’s gland
\nAnswer:
\nD) Cowper’s gland<\/p>\n

Question 71.
\nWhich of the following is not concerned with male reproductive system?
\nA) Testes
\nB) Seminal ducts
\nC) Prostate gland
\nD) Graffian follicles
\nAnswer:
\nD) Graffian follicles<\/p>\n

Question 72.
\nThe term that we use to describe a sperm cell fusing with an egg cell
\nA) Fragmentation
\nB) Fermentation
\nC) Fertilisation
\nD) Fusion
\nAnswer:
\nC) Fertilisation<\/p>\n

\"AP<\/p>\n

Question 73.
\nWhich part of human male reproductive system stores sperms temporarily?
\nA) Epididymis
\nB) Seminiferous tubules
\nC) Vasa efferentia
\nD) Penis
\nAnswer:
\nA) Epididymis<\/p>\n

Question 74.
\nIdentify the function of semen.
\nA) Keep the sperms alive by providing nutrients
\nB) Provides medium for the movement of sperms
\nC) Helps in the production of sperms
\nD) Both A & B
\nAnswer:
\nD) Both A & B<\/p>\n

Concept – 5 : Female Reproduction System<\/span><\/p>\n

Question 75.
\nHow does sperm enter ovum ?
\nA) By making hole on ovum
\nB) Dissolves the membrane of ovum
\nC) Crushing the membrane with teeth
\nD) Enter through the gaps of ovum
\nAnswer:
\nB) Dissolves the membrane of ovum<\/p>\n

Question 76.
\nAfter fertilisation implantation of zygote takes place in the uterine walls of females after
\nA) some months
\nB) three weeks
\nC) month
\nD) 7 – 10 days
\nAnswer:
\nD) 7 – 10 days<\/p>\n

Question 77.
\nThe hormone responsible for secondary sexual characters in female is …………………
\nA) Adrenaline
\nB) Testosterone
\nC) Vasopressin
\nD) Estrogen
\nAnswer:
\nD) Estrogen<\/p>\n

Question 78.
\nWhich of the following follicle ruptures to release ova ?
\nA) Graffian follicle
\nB) Leiberhan follicle
\nC) Islets of langerhans
\nD) Scrotum
\nAnswer:
\nA) Graffian follicle<\/p>\n

Question 79.
\nIncorrect statement about post fertilization changes in the uterus
\nA) Uterus remains small in size with thin layer of cells
\nB) Walls of uterus become thick and smooth
\nC) Blood circulation increases in the uterus
\nD) Embryonic layers develop in the uterus
\nAnswer:
\nA) Uterus remains small in size with thin layer of cells<\/p>\n

\"AP<\/p>\n

Question 80.
\nThe outermost layer that encloses embryo
\nA) Chorion
\nB) Amnion
\nC) Allantois
\nD) Umbilical cord
\nAnswer:
\nA) Chorion<\/p>\n

Question 81.
\nThe chorion and tissue of uterus combine and form
\nA) Chorion
\nB) Allantois
\nC) Amnion
\nD) Placenta
\nAnswer:
\nD) Placenta<\/p>\n

Question 82.
\nThe layer formed at around 12th<\/sup> week of pregnancy
\nA) Umbilical cord
\nB) Allantois
\nC) Placenta
\nD) Amnion
\nAnswer:
\nC) Placenta<\/p>\n

Question 83.
\nThe tube which, connects the embryo with placenta is
\nA) Fallopian tube
\nB) Seminal vesicle
\nC) Epididymis
\nD) Umbilical cord
\nAnswer:
\nD) Umbilical cord<\/p>\n

Question 84.
\nThe 3 months of embryo is called ………………
\nA) New born child
\nB) Foetus
\nC) Baby
\nD) Nucleoid
\nAnswer:
\nB) Foetus<\/p>\n

Question 85.
\nWhich of the following is the correct sequence of steps in the human life cycle ?
\nA) Babyhood, childhood, adolescence, adulthood
\nB) Childhood, babyhood, adulthood, adolescence
\nC) Adolescence, babyhood, adulthood, childhood
\nD) None of these
\nAnswer:
\nB) Childhood, babyhood, adulthood, adolescence<\/p>\n

Question 86.
\nWhich of these things will affect the way a foetus grows ?
\nA) Chemicals in cigarette smoke
\nB) Alcohol
\nC) Drugs
\nD) All of the above
\nAnswer:
\nD) All of the above<\/p>\n

Question 87.
\nThe gestation period in man is …………………..
\nA) 330 days
\nB) 20 days
\nC) 280 months
\nD) 280 days
\nAnswer:
\nD) 280 days<\/p>\n

\"AP<\/p>\n

Question 88.
\nThe tube which have widened funnel
\nA) Seminal duct
\nB) Fallopian tube
\nC) Umbilical cord
\nD) Chorion
\nAnswer:
\nB) Fallopian tube<\/p>\n

Question 89.
\nThe number of ova released once in females periodically is
\nA) 3
\nB) 2
\nC) 4
\nD) 1
\nAnswer:
\nD) 1<\/p>\n

Question 90.
\nThe structure which joins the embryo to the walls of uterus is ………………
\nA) Chorion
\nB) Umbilical cord
\nC) Fallopian tubule
\nD) Epididymis
\nAnswer:
\nB) Umbilical cord<\/p>\n

Question 91.
\nThe correct statement about the membrane grows itself around the embryo
\ni) It is filled with a fluid
\nii) It nourishes humidity to the developed embryo
\niii) It protects the embryo from mechanical shocks.
\niv) It is called chorion
\nA) i only
\nB) ii & iii
\nC) i, ii, iii
\nD) All of the above
\nAnswer:
\nD) All of the above<\/p>\n

Question 92.
\nImmediately after the delivery, the mammary glands of the mother secrete ………………………
\nA) Milk
\nB) Colostrum
\nC) Blood
\nD) water
\nAnswer:
\nB) Colostrum<\/p>\n

Question 93.
\nWhen the foetus is in its mother’s womb, the blood cells are generated from ……………………..
\nA) bone marrow
\nB) liver and spleen
\nC) kidneys
\nD) brain and spinal cord
\nAnswer:
\nB) liver and spleen<\/p>\n

Question 94.
\nWhy are egg cells larger than sperm cells?
\nA) Have larger nucleus
\nB) Have thicker cell membrane
\nC) Egg cells have more nuclei in them
\nD) They store food to help foetal growth after fertilisation
\nAnswer:
\nD) They store food to help foetal growth after fertilisation<\/p>\n

\"AP<\/p>\n

Question 95.
\nDoctors separate the baby from mother by detaching
\nA) intestine of mother
\nB) chorion
\nC) umbilical cord
\nD) allantios
\nAnswer:
\nC) umbilical cord<\/p>\n

Question 96.
\nArrange the sequence of steps of human life cycle.
\n1. Adolescence
\n2. Babyhood
\n3. Adulthood
\n4. Childhood
\nA) 1, 3, 4, 2
\nB) 4, 2, 3, 1
\nC) 2, 4, 1, 3
\nD) 3, 4, 2, 4
\nAnswer:
\nC) 2, 4, 1, 3<\/p>\n

Question 97.
\nPathway of ovum in female reproductive system is
\nA) Ovary \u2192 Oviduct \u2192Uterus \u2192 Vagina
\nB) Vagina \u2192 Uterus \u2192 Oviduct \u2192 Ovary
\nC) Ovary \u2192 Ovid’uct \u2192 Uterus
\nD) Uterus \u2192 Vagina \u2192 Oviduct
\nAnswer:
\nA) Ovary \u2192 Oviduct \u2192Uterus \u2192 Vagina<\/p>\n

Question 98.
\nThe gestation period of horse is …………………….
\nA) 300 days
\nB) 330 days
\nC) 380 days
\nD) 365 days
\nAnswer:
\nB) 330 days<\/p>\n

Question 99.
\nIdentify which membrane forms the umbilical cord.
\nA) Chorion
\nB) Allantois
\nC) Amnion
\nD) Placenta
\nAnswer:
\nA) Chorion<\/p>\n

Question 100.
\nGestation period is 63 days for the animals like
\nA) cat and dog
\nB) cat and rat
\nC) cat and rabbit
\nD) rat and mouse
\nAnswer:
\nA) cat and dog<\/p>\n

Question 101.
\nConsider the sentences a & b.
\na – Gestation period is different in different organisms.
\nb – The rate of reproduction is more during favourable conditions
\nA) Both ‘a’ & ‘b’ are true
\nB) ‘a’ is true, ‘b’ is false
\nC) ‘a’ is false, ‘b’ is true
\nD) Both ‘a’ & ‘b’ are false
\nAnswer:
\nA) Both ‘a’ & ‘b’ are true<\/p>\n

\"AP<\/p>\n

Question 102.
\nOvary \u2192 \"AP\u2192Ovum \u2192 Ovulation \u2192 Fallopian tube \u2192 Uterus.
\nWhat will be in the box ?
\nA) Ovary
\nB) Graffian follicle
\nC) Cavity of ovule
\nD) Canal
\nAnswer:
\nB) Graffian follicle<\/p>\n

Question 103.
\nWhich of the following is not concerned with female reproduction system?
\nA) Ovary
\nB) Fallopian tube
\nC) Leiberhan follicles
\nD) Graffian follicles
\nAnswer:
\nC) Leiberhan follicles<\/p>\n

Question 104.
\nHow are the ova fertilized in mammals?
\nA) Externally
\nB) In the organs
\nC) Internally
\nD) By division
\nAnswer:
\nC) Internally<\/p>\n

Question 105.
\nIn which structure we can find Graffian follicles?
\nA) Fallopian tube
\nB) Corpus leutium
\nC) Ovule
\nD) Ovary
\nAnswer:
\nD) Ovary<\/p>\n

Question 106.
\nThe part of the female reproductive system produces the eggs …………………..
\nA) Ovary
\nB) Epididymis
\nC) Cervix
\nD) Fallopian tube
\nAnswer:
\nA) Ovary<\/p>\n

Question 107.
\nFind out the incorrect statement regarding child birth.
\nA) Child will be healthy only after completion of gestation period
\nB) Delivery will be easy if the head of foetus comes out first
\nC) Labour pains occur due to injection given by doctor
\nD) Delivery of baby becomes tough if legs come out of mother’s womb
\nAnswer:
\nC) Labour pains occur due to injection given by doctor<\/p>\n

Question 108.
\nThe symbol for easy delivery process is
\nA) Not having labour pains
\nB) Amniotic fluid flows out due to the rupture of Amnion
\nC) The contractions of the walls of uterus are weak
\nD) The child turns crossand comes out
\nAnswer:
\nB) Amniotic fluid flows out due to the rupture of Amnion<\/p>\n

\"AP<\/p>\n

Question 109.
\nThe base for the formation of navel in human beings
\nA) Umbilical cord
\nB) Placenta
\nC) Chorion
\nD) Body structure
\nAnswer:
\nA) Umbilical cord<\/p>\n

Question 110.
\nThe muscular contractions of the uterus result in
\nA) Not good
\nB) Disorder of birth
\nC) Child birth
\nD) Not happens
\nAnswer:
\nC) Child birth<\/p>\n

Question 111.
\nThe fluid that is secreted at the end of the gestation period
\nA) Colostrum
\n113) Lymph
\nC) Blood
\nD) Saliva
\nAnswer:
\nA) Colostrum<\/p>\n

Concept – 6 : Sexual Reproduction in Plants<\/span><\/p>\n

Question 112.
\nFine powdery material that is observed on the anther lobes
\nA) Pollen grains
\nB) Ova
\nC) Ovules
\nD) Stigma
\nAnswer:
\nA) Pollen grains<\/p>\n

Question 113.
\nBottle gourd, Papaya have the …………………. flowers.
\nA) unisexual
\nB) bisexual
\nC) cyclic
\nD) ray
\nAnswer:
\nA) unisexual<\/p>\n

Question 114.
\nFind the odd one out.
\nA) Calyx
\nB) Corolla
\nC) Pistil
\nD) Follicle
\nAnswer:
\nD) Follicle<\/p>\n

Question 115.
\nThe condition of pollen mother cell
\nA) n
\nB) 2n
\nC) 3n
\nD) 4n
\nAnswer:
\nB) 2n<\/p>\n

\"AP<\/p>\n

Question 116.
\nThese figures are related to …………………….
\n\"AP
\nA) transpiration
\nB) reproduction
\nC) excretion
\nD) photosynthesis
\nAnswer:
\nB) reproduction<\/p>\n

Question 117.
\nIdentify the unisexual flowers.
\nA) Bottle gourd
\nB) Papaya
\nC) Both A & B
\nD) None
\nAnswer:
\nC) Both A & B<\/p>\n

Question 118.
\nRead the paragraph given below and answer.
\nMost of the plants are flowering plants. Their characters are quite remarkable. A sal tree grows in Himalayan mountains, a giant cactus in the Sahara desert.
\nFlowering plants possess
\nA) Bisexual flowers
\nB) Unisexual flowers
\nC) A or B r
\nD) Only Heterozygous flowers
\nAnswer:
\nB) Unisexual flowers<\/p>\n

Question 119.
\n\"AP
\nSee the picture of pollen grain. What sort of division helps in its formation?
\nA) Mitosis
\nB) Unequal division
\nC) Meiosis
\nD) Unnatural division
\nAnswer:
\nC) Meiosis<\/p>\n

Question 120.
\nThe terminal part of the style
\nA) Ovary
\nB) Stigma
\nC) Androecium
\nD) Anther lobe
\nAnswer:
\nC) Androecium<\/p>\n

Question 121.
\nThe female reproductive part of a flower
\nA) Thalamus
\nB) Stamen
\nC) Gynoecium (Ovary)
\nD) Pollen grain
\nAnswer:
\nB) Stamen<\/p>\n

Question 122.
\nThe male part of flower is
\nA) Ovules
\nB) Stamen
\nC) Petals
\nD) Sepals
\nAnswer:
\nD) Sepals<\/p>\n

\"AP<\/p>\n

Question 123.
\nWhich of the following is not concerned with pollination ?
\nA) The falling of pollen grains on the stigma is pollination.
\nB) The pollen grains of one flower do not fall on the same flower.
\nC) The pollen grains of one flower fall on the another flower.
\nD) Pollination helps in fertilization.
\nAnswer:
\nB) The pollen grains of one flower do not fall on the same flower.<\/p>\n

Question 124.
\nThe student observes the pollen grain under the microscope. It appears as below. ‘X’ indicates …………………..
\n\"AP
\nA) Matured nucleus
\nB) Pollen tube
\nC) Stigma
\nD) Tube cell
\nAnswer:
\nB) Pollen tube<\/p>\n

Question 125.
\nThe type of flowers you observed in Datura.
\nA) Unisexual flowers
\nB) Bisexual flowers
\nC) Heterosexual flowers
\nD) Heterozygous flowers
\nAnswer:
\nC) Heterosexual flowers<\/p>\n

Question 126.
\nThe number of cells present in pollen grain
\nA) One
\nB) Three
\nC) Four
\nD) Two
\nAnswer:
\nA) One<\/p>\n

Concept – 7 : Structure of Ovule & Seed Germination<\/span><\/p>\n

Question 127.
\nEmbryo sac
\nA) comprises 7 cells, 6 nuclei
\nB) comprises 7 cells, 8 nuclei
\nC) comprises 6 cells, 6 nuclei
\nD) comprises 8 cells, 8 nuclei
\nAnswer:
\nB) comprises 7 cells, 8 nuclei<\/p>\n

\"AP<\/p>\n

Question 128.
\nThe cells in embryo sac are
\ni) Antipodals
\nii) Synergids
\niii) Polar nuclei
\niv) Female gametophyte
\nA) iv only
\nB) iii, iv only
\nC) i, ii only
\nD) All
\nAnswer:
\nD) All<\/p>\n

Question 129.
\nAt the time of fertilisation in embryo sac b the cell which is in diploid state :
\nA) Polar nuclei
\nB) Zygote
\nC) Endosperm
\nD) Intra ovular tissue
\nAnswer:
\nA) Polar nuclei<\/p>\n

Question 130.
\nWhat will you find out at the inner part of separated cotyledons of seed ?
\nA) Embryo
\nB) Leaves
\nC) Flower
\nD) Radicle
\nAnswer:
\nA) Embryo<\/p>\n

Question 131.
\nWhat is the need of sprinkling water on ground nut germinating seeds in order to observe the phenomenon of seed germination ?
\nA) To keep the seeds wet in condition
\nB) To enhance dormancy
\nC) To destroy germination
\nD) To bring out leaves
\nAnswer:
\nA) To keep the seeds wet in condition<\/p>\n

Question 132.
\nThe number of layers that protect ovule
\nA) 1
\nB) 2
\nC) 3
\nD) 4
\nAnswer:
\nB) 2<\/p>\n

Question 133.
\nPollen tube bears
\nA) one male, one female nuclei
\nB) 2 male nuclei
\nC) 2 female nuclei
\nD) 2 male, 2 female nuclei
\nAnswer:
\nB) 2 male nuclei<\/p>\n

Question 134.
\nThe given picture depicts ……………………….
\n\"AP
\nA) Female gametophyte
\nB) Antipodal cells
\nC) Secondary nucleus
\nD) Helper cells
\nAnswer:
\nA) Female gametophyte<\/p>\n

\"AP<\/p>\n

Question 135.
\nName the part which is asked as a question mark (?).
\n\"Class
\nA) Granular cell
\nB) Polar cell
\nC) Egg cell
\nD) Hard cell
\nAnswer:
\nC) Egg cell<\/p>\n

Question 136.
\nFind out the correct sentence.
\nA) Double fertilization occurs in Angiosperms
\nB) Double fertilization occurs in Gymnosperms
\nC) Asexual reproduction occurs in all flowering plants
\nD) Single fertilization occurs in flowering plants
\nAnswer:
\nA) Double fertilization occurs in Angiosperms<\/p>\n

Question 137.
\nWhich of the following plant does not have the endosperm ?
\nA) Coconut
\nB) Groundnut
\nC) Castor
\nD) Mango
\nAnswer:
\nD) Mango<\/p>\n

Question 138.
\nWhich of the following seeds have endosperm ?
\nA) Castor
\nB) Pea
\nC) Red gram
\nD) Green gram
\nAnswer:
\nA) Castor<\/p>\n

Question 139.
\nAfter fertilization, ovary forms into …………………
\nA) seeds
\nB) bud
\nC) fruit
\nD) flower
\nAnswer:
\nA) seeds<\/p>\n

Question 140.
\nThe second sperm fuses with the polar nuclei and
\nA) Zygote forms
\nB) Fertilisation starts
\nC) Endosperm forms
\nD) Female gametophyte activates
\nAnswer:
\nC) Endosperm forms<\/p>\n

Question 141.
\nIn plants, the fusion of male gamate with secondary nucleus results in …………………
\nA) Embryo sac
\nB) Endosperm
\nC) Cotyledons
\nD) Spores
\nAnswer:
\nB) Endosperm<\/p>\n

\"AP<\/p>\n

Question 142.
\nThe conditions required for germination of seeds are
\nA) moist
\nB) temperature
\nC) light
\nD) All of the above
\nAnswer:
\nD) All of the above<\/p>\n

Question 143.
\nFind out the correct sentence.
\na – Endosperm is formed from the fusion of male nucleus with secondary nucleus
\nb – Endosperm converts into a seed
\nA) Both ‘a’ & ‘b’ are true
\nB) ‘a’ is true, ‘b’ is false
\nC) ‘a’ is false, ‘b’ is true
\nD) Both \u2018a & ‘b’ are false
\nAnswer:
\nB) ‘a’ is true, ‘b’ is false<\/p>\n

Question 144.
\nWhich one of the following seeds does not have endosperm ?
\nA) Maize
\nB) Rice
\nC) Wheat
\nD) Red gram
\nAnswer:
\nD) Red gram<\/p>\n

Question 145.
\nThe state of endospermic nucleus is
\nA) n
\nB) 2n
\nC) 3n
\nD) 4n
\nAnswer:
\nC) 3n<\/p>\n

Question 146.
\nNon-endospermic seed is seen in this plant
\nA) Maize
\nB) Paddy
\nC) Castor
\nD) Groundnut
\nAnswer:
\nD) Groundnut<\/p>\n

Question 147.
\nThe reason for the enlarged cotyledons in beans is ………………
\nA) Pericarp
\nB) Endosperm
\nC) Swelling in water
\nD) Artificial one
\nAnswer:
\nB) Endosperm<\/p>\n

\"AP<\/p>\n

Question 148.
\nCotyledons are present in
\nA) Stamens
\nB) Ovary
\nC) Ovule
\nD) Seeds
\nAnswer:
\nD) Seeds<\/p>\n

Question 149.
\nThe parts of flower useful even after fertilisation
\nA) Ovule
\nB) Androecium
\nC) Style, Stigma
\nD) Calyx
\nAnswer:
\nA) Ovule<\/p>\n

Question 150.
\nThis part indicates future root in matured embryo
\nA) Plumule
\nB) Radicle
\nC) Chalaza
\nD) Cotyledons
\nAnswer:
\nB) Radicle<\/p>\n

Question 151.
\nThe name of the part on which pollen tube enters into embryo sac
\nA) Intra ovular tissue
\nB) Chalaza
\nC) Micropyle
\nD) Tissue
\nAnswer:
\nC) Micropyle<\/p>\n

Question 152.
\nEndosperm forms due to fertilization of …………………
\nA) male gamete + synergids
\nB) male gamete + antipodal cells
\nC) male gamete + female gamete
\nD) male gamete + second nucleus
\nAnswer:
\nD) male gamete + second nucleus<\/p>\n

Question 153.
\nDouble fertilization is seen only in
\nA) Cycas
\nB) Pinus
\nC) Angiosperms
\nD) Bryophytes
\nAnswer:
\nC) Angiosperms<\/p>\n

Question 154.
\nFertilization of fusion nucleus stimulates the formation of :
\nA) Endosperm
\nB) Zygote
\nC) Exospefm
\nD) Cotyledons
\nAnswer:
\nA) Endosperm<\/p>\n

\"AP<\/p>\n

Concept – 8 : Cell Division and Configuration of Life<\/span><\/p>\n

Question 155.
\nThe scientist who discovered the mitosis is
\nA) Wilhelm Roux
\nB) Gregor Mendel
\nC) Walther Flemming
\nD) Robert Remak
\nAnswer:
\nC) Walther Flemming<\/p>\n

Question 156.
\nThe scientist who discovered that production of new cells occur through cell division is
\nA) Robert Remak
\nB) Virchow
\nC) Walther Flemming
\nD) Gregor Mitos
\nAnswer:
\nB) Virchow<\/p>\n

Question 157.
\nThe scientist who told about the information of meiosis
\nA) Walther Flemming
\nB) Theodor Boveri
\nC) August Weismann
\nD) Wilhelm Roux
\nAnswer:
\nB) Theodor Boveri<\/p>\n

Question 158.
\nMitos means
\nA) Division
\nB) Fine threads
\nC) Chromosomes
\nD) Nucleus
\nAnswer:
\nB) Fine threads<\/p>\n

Question 159.
\nIn which of the following part meiosis occurs ?
\nA) Stamen
\nB) Pollen sac
\nC) Pollen grain
\nD) Part of stamen
\nAnswer:
\nB) Pollen sac<\/p>\n

Question 160.
\nThe period between two cell divisions is called
\nA) Prophase
\nB) Anaphase
\nC) Interphase
\nD) Metaphase
\nAnswer:
\nC) Interphase<\/p>\n

Question 161.
\nStages of interphase
\n1) G1<\/sub> phase
\n2) S phase
\n3) G2<\/sub> phase
\n4) M phase
\nA) 1 Only
\nB) 1 & 2
\nC) 1, 2, 3
\nD) 2 only
\nAnswer:
\nC) 1, 2, 3<\/p>\n

\"AP<\/p>\n

Question 162.
\nNuclear membrane disappears in one of the stages of cell division
\nA) Prophase
\nB) Metaphase
\nC) Telophase
\nD) Anaphase
\nAnswer:
\nA) Prophase<\/p>\n

Question 163.
\nIdentify the mitotic phase shown in the diagram
\n\"AP
\nA) Prophase
\nB) Anaphase
\nC) Metaphase
\nD) Telophase
\nAnswer:
\nB) Anaphase<\/p>\n

Question 164.
\nDr. Potu Narasimha Rao from Guntur is a renowned scholar and eminent
\nA) Cytology
\nB) Physiology
\nC) Psychology
\nD) Embryology
\nAnswer:
\nA) Cytology<\/p>\n

Question 165.
\nThe daughter cells formed during meiosis are :
\nA) Haploid
\nB) Diploid
\nC) Triploid
\nD) Polyploid
\nAnswer:
\nA) Haploid<\/p>\n

Question 166.
\nIdentify the correct sequence.
\nA) Prophase \u2192 Anaphase \u2192 Telophase \u2192 Metaphase
\nB) Prophase \u2192 Metaphase \u2192 Anaphase \u2192 Telophase
\nC) Metaphase \u2192 Telophase \u2192 Prophase \u2192 Anaphase
\nD) Prophase \u2192 Anaphase \u2192 Metaphase \u2192 Telophase
\nAnswer:
\nB) Prophase \u2192 Metaphase \u2192 Anaphase \u2192 Telophase<\/p>\n

Question 167.
\nThe phase in which DNA synthesis takes place.
\nA) G1<\/sub> – phase
\nB) M – phase
\nC) G2<\/sub> – phase
\nD) S – phase
\nAnswer:
\nD) S – phase<\/p>\n

Question 168.
\nMitosis was discovered by ……………….
\nA) Theodor Boveri
\nB) August Weismann
\nC) Walther Flemming
\nD) Charles Darwin
\nAnswer:
\nB) August Weismann<\/p>\n

\"AP<\/p>\n

Question 169.
\nMeaning of the phrase “Omnis Cellula de Cellula” is
\nA) All cells exist from preexisting cells .
\nB) All cells can divide
\nC) All cells contain nucleus
\nD) All cells are the product of nucleus
\nAnswer:
\nA) All cells exist from preexisting cells .<\/p>\n

Question 170.
\nWhich of the following is the correct sequence of stages in the cell cycle?
\nA) S \u2192 M \u2192 G1<\/sub> \u2192\u00a0G2<\/sub>
\nB) M \u2192 S \u2192 G1<\/sub> \u2192\u00a0G2<\/sub>
\nC) G1<\/sub> \u2192 G2<\/sub> \u2192 S \u2192 M
\nD) G1<\/sub> \u2192 S \u2192 G2<\/sub> \u2192 M
\nAnswer:
\nD) G1<\/sub> \u2192 S \u2192 G2<\/sub> \u2192 M<\/p>\n

Question 171.
\nDivision of nucleus is called :
\nA) Cytokinesis
\nB) Karyokinesis
\nC) Interphase
\nD) Telophase
\nAnswer:
\nB) Karyokinesis<\/p>\n

Question 172.
\nWhich of the following stages of cell division involves the movement of chromosomes to spindle equator?
\nA) Anaphase
\nB) Metaphase
\nC) Telophase
\nD) Cytokinesis
\nAnswer:
\nB) Metaphase<\/p>\n

Question 173.
\nCytoplasmic division occurs in ………………. of the cell division
\nA) Metaphase
\nB) Telophase
\nC) Anaphase
\nD) Prophase
\nAnswer:
\nC) Anaphase<\/p>\n

Question 174.
\nThe part in which the centrioles are formed during cell division is
\nA) Plant cell
\nB) Cancer cell
\nC) Animal cell
\nD) Nerve cell
\nAnswer:
\nC) Animal cell<\/p>\n

Question 175.
\nChromosomal number becomes half in certain types of cells in cell division. This type of cell division takes place in
\nA) In testes
\nB) In ovaries
\nC) In both
\nD) In all body cells
\nAnswer:
\nC) In both<\/p>\n

\"AP<\/p>\n

Question 176.
\nIn synthetic stage of cell division cycle which substance is synthesized more ?
\nA) RNA
\nB) RNA and proteins
\nC) DNA
\nD) Glucose
\nAnswer:
\nC) DNA<\/p>\n

Question 177.
\nWhich animal is having less number of chromosomes ?
\nA) Onion
\nB) Monkey
\nC) Ascaris
\nD) Rat
\nAnswer:
\nC) Ascaris<\/p>\n

Question 178.
\nFind out the correct statement
\na – Mitos means fine threads b – Mitosis was discovered by Walther Flemming ‘
\nA) Both ‘a’ & ‘b’ are true
\nB) ‘a’ is true, ‘b’ is false
\nC) ‘a’ is false, ‘b’ is true
\nD) Both ‘a’ & ‘b’ are false
\nAnswer:
\nA) Both ‘a’ & ‘b’ are true<\/p>\n

Question 179.
\nConsider the following sentences.
\na – The number of chromosomes remain same throughout the generations.
\nb – Though the cell division occurs the chromosomal number remains constant
\nA) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
\nB) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’
\nC) ‘a’ is true, ‘b’ is false
\nD) ‘a’ is false, ‘b’ is true
\nAnswer:
\nA) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’<\/p>\n

Question 180.
\na – Skin cells stimulate and divide at site of injury and form new tissues.
\nb – Cancer cells do not respond to controlling factors and perform division
\nA) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
\nB) Both ‘a’ & ‘b’ are true, ‘h’ doesn’t explain ‘a’
\nC) ‘a’ is true, ‘b’ is false
\nD) ‘a’ is false, ‘b’ is true
\nAnswer:
\nB) Both ‘a’ & ‘b’ are true, ‘h’ doesn’t explain ‘a’<\/p>\n

Question 181.
\nFind out the correct sentence.
\na – Centromeres in metaphase split and separate the chromatids
\nb – Nucleus divides into two in prophase
\nA) Both ‘a’ & ‘b’ are true
\nB) ‘a’ is true, ‘b’ is false
\nC) ‘a’ is false, ‘b’ is true
\nD) Both ‘a’ & ‘b’ are false
\nAnswer:
\nB) ‘a’ is true, ‘b’ is false<\/p>\n

Question 182.
\na – Meiosis occurs in two stages
\nb – Even though meiosis has two divisions chromosomal division occurs only once.
\nA) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
\nB) Both ‘a’ & ‘b’ tire hue. ‘b’ doesn’t explain ‘a’
\nC) ‘a’ is true,.’b’ is false
\nD) ‘a’ is false, ‘b’ is true
\nAnswer:
\nA) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’<\/p>\n

\"AP<\/p>\n

Question 183.
\nMaintenance of equal number of chromosomes in …………………\u00a0 (i) ……………………… division and chromosomal number reduced to half in …………………….. (ii) ………………. division.
\nA) i – meiotic, ii – mitotic
\nB) i – mitotic, ii – meiotic
\nC) i – equal division, ii – meiotic
\nD) i – meiotic, ii – unequal
\nAnswer:
\nB) i – mitotic, ii – meiotic<\/p>\n

Question 184.
\nWrong statement about meiosis :
\ni) Meiosis occurs during gamete formation
\nii) Meiosis has 2 stages
\niii) Though division occurs in 2 stages chromosomal division occurs only once
\niv) Four daughter nuclei are formed
\nA) i, ii
\nB) ii & iii
\nC) i, ii, iii
\nD) All of the above
\nAnswer:
\nD) All of the above<\/p>\n

Question 185.
\n\"AP
\nWhat happens in the ‘M1 phase of this cell cycle ?
\nA) Cell size increases
\nB) Cell organelle divides
\nC) Duplication of chromosome
\nD) Cell divides
\nAnswer:
\nD) Cell divides<\/p>\n

Question 186.
\nArrange the stages in a correct order
\n1. S stage
\n2. G2<\/sub> stage
\n3. M stage
\n4. G1<\/sub> stage
\nA) 4, 1, 2, 3
\nB) 2, 3, 4,1
\nC) 4, 2, 3,1
\nD) 1, 3, 4, 2
\nAnswer:
\nA) 4, 1, 2, 3<\/p>\n

Concept – 9 : Reproductive Health<\/span><\/p>\n

Question 187.
\nART stands for
\nA) Anti Retrogressive Therapy
\nB) Anti Resonance Theraphy
\nC) Anti Retroviral Therapy
\nD) Acute Retroviral Therapy
\nAnswer:
\nC) Anti Retroviral Therapy<\/p>\n

Question 188.
\nASHA stands for
\nA) Accredited Social Health Association
\nB) Accredited Social Health Activist
\nC) AIDS Social Health Activist
\nD) AIDS Sexual Health Activist
\nAnswer:
\nB) Accredited Social Health Activist<\/p>\n

\"AP<\/p>\n

Question 189.
\nSTD stands for
\nA) Subscribers Trunk Demand
\nB) Sexually Trunk Dialing
\nC) Sexually Transmitted Disease
\nD) Sexually Telephoned Dialing
\nAnswer:
\nC) Sexually Transmitted Disease<\/p>\n

Question 190.
\nThe states that took first three places with highest number of HIV – AIDS patients
\ni) Andhra Pradesh
\nii) Maharashtra
\niii) Karnataka
\nA) i, iii, ii
\nB) i, ii, iii
\nC) iii, ii, i
\nD) ii, iii, i
\nAnswer:
\nA) i, iii, ii<\/p>\n

Question 191.
\nThe age group affected by HIV – AIDS
\nA) 10 – 15
\nB) 15 – 24
\nC) 10 – 60
\nD) 15 – 49
\nAnswer:
\nD) 15 – 49<\/p>\n

Question 192.
\nThe factors for spreading of HIV – AIDS
\ni) Unprotected sex
\nii) Illegal sex activities
\niii) Unprotected blood transfusion
\niv) Mosquito bite
\nA) i, ii, iii,
\nB) ii, iii, iv
\nC) i, ii
\nD) iv
\nAnswer:
\nA) i, ii, iii,<\/p>\n

Question 193.
\nRed ribbon club educates the people on …………………
\nA) Leprosy
\nB) Family planning
\nC) AIDS
\nD) Ebola disease
\nAnswer:
\nC) AIDS<\/p>\n

Question 194.
\nAIDS : Virus :: Syphilis : ?
\nA) Virus
\nB) Bacteria
\nC) Fungus
\nD) Protozoan
\nAnswer:
\nB) Bacteria<\/p>\n

Question 195.
\nGonorrhoea: ? :: Syphilis : Bacteria
\nA) Virus
\nB) Bacteria
\nC) Fungus
\nD) Protozoan
\nAnswer:
\nB) Bacteria<\/p>\n

Question 196.
\nWhich of the following is not a contraceptive ?
\nA) Copper T
\nB) Vasectomy
\nC) Tubectomy
\nD) Green tea
\nAnswer:
\nD) Green tea<\/p>\n

\"AP<\/p>\n

Question 197.
\nWhom do you consult to know about HIV – AIDS ?
\nA) ASHA
\nB) USHA
\nC) Red Ribbon Express
\nD) A or C
\nAnswer:
\nD) A or C<\/p>\n

Question 198.
\nThis symbol denotes ………………………..
\n\"AP
\nA) World AIDS Day
\nB) World DOCTORS’ Day
\nC) World HEALTH Day
\nD) World RED CROSS Day
\nAnswer:
\nA) World AIDS Day<\/p>\n

Question 199.
\nConsider the following.
\na – Girls only after 18 years of age can be said to be prepared for the marriage
\nb – Every year 21% of teenage mothers die dining delivery
\nA) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
\nB) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’
\nC) ‘a’ is true, ‘b’ is false
\nD) ‘a’ is false, ‘b’ is true
\nAnswer:
\nB) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’<\/p>\n

Question 200.
\nThe pills used by male, kill the sperms. These are called
\nA) Wormicides
\nB) Spermicides
\nC) Pesticides
\nD) Herbicides
\nAnswer:
\nB) Spermicides<\/p>\n

Question 201.
\nThe contraceptive which prevents not only fertilisation but also transmitting sexual diseases
\nA) Spermicides
\nB) Condomes
\nC) Tubectomy
\nD) Copper – T, Loop
\nAnswer:
\nB) Condomes<\/p>\n

Question 202.<\/p>\n\n\n\n\n\n\n
List – I<\/td>\nList – II<\/td>\n<\/tr>\n
a) Vasa deferentia<\/td>\n1. Copper-T<\/td>\n<\/tr>\n
b) Contraceptive device<\/td>\n2. Spermicide<\/td>\n<\/tr>\n
c) Closing of fallopian tube<\/td>\n3. Tubectomy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

A) 1 – a, 2 – b, 3 – c
\nB) 1 – b, 2 – a, 3 – c
\nC) 1 – c, 2 – b, 3 – a
\nD) 2 – b, 3 – c, 1 – a
\nAnswer:
\nB) 1 – b, 2 – a, 3 – c<\/p>\n

Question 203.
\nIn our country, the legal age for marriage of boys is …………………….
\nA) 21
\nB) 20
\nC) 18
\nD) 23
\nAnswer:
\nA) 21<\/p>\n

\"AP<\/p>\n

Question 204.
\nParental sex determination has been prohibited by the law due to …………………
\nA) High cost charged by doctors
\nB) Possible danger of mother’s health
\nC) Increasing cases of female foeticide
\nD) Increasing cases of male foeticide
\nAnswer:
\nC) Increasing cases of female foeticide<\/p>\n

Question 205.
\nThis surgical operation prevents ovum from entering into oviducts.
\nA) Hysterectomy
\nB) Tubectomy
\nC) Vasectomy
\nD) Surrogacy
\nAnswer:
\nB) Tubectomy<\/p>\n

Question 206.
\nVasectomy means
\nA) Cutting and tying of sperm ducts
\nB) Cutting and tying of fallopian tubes
\nC) Foeticide
\nD) Prevention of sexual diseases
\nAnswer:
\nA) Cutting and tying of sperm ducts<\/p>\n

Question 207.
\nThe tube which will be cut in vasectomy method .
\nA) Seminal vesicle
\nB) Oviduct
\nC) Epididymis
\nD) Vasa deferentia
\nAnswer:
\nD) Vasa deferentia<\/p>\n

Question 208.
\nThe tube which will be cut and tied the ends in tubectomy method is
\nA) Graffian follicle
\nB) Fallopian tube
\nC) Uterus
\nD) Vagina
\nAnswer:
\nB) Fallopian tube<\/p>\n

Question 209.
\nContraceptive methods are
\nA) device
\nB) chemicals
\nC) devices, chemicals
\nD) unhealthy activities
\nAnswer:
\nC) devices, chemicals<\/p>\n

Question 210.
\nThis stops spreading of AIDS.
\nA) T – loop
\nB) Prevention is better
\nC) Tubectomy
\nD) Vasectomy
\nAnswer:
\nB) Prevention is better<\/p>\n

\"AP<\/p>\n

Question 211.
\nThe legal age of girls in India was declared by ……………………
\nA) Parents
\nB) Priests
\nC) Government of India
\nD) Women organisation
\nAnswer:
\nC) Government of India<\/p>\n

Question 212.
\nThe incorrect reason about “child marriages – an illegal act”.
\nA) Immaturity of reproductive organs
\nB) Incapability in nourishing the children
\nC) Less dowry earning
\nD) Lack of capability on family responsibility
\nAnswer:
\nC) Less dowry earning<\/p>\n

Question 213.
\nThe state that is in top most place with female and male ratio
\nA) Andhra Pradesh
\nB) Rajasthan
\nC) Kerala
\nD) Madhya Pradesh
\nAnswer:
\nC) Kerala<\/p>\n

Question 214.
\nThis age group human being starts producing sperm about ……………………
\nA) 13 or 14 years
\nB) 10 or 11 years
\nC) Embryonic stage
\nD) 20 – 21 years
\nAnswer:
\nA) 13 or 14 years<\/p>\n

Question 215.
\nOne of the following is not a reason for foetal killing.
\nA) Girl is not a capable person
\nB) Dowry problem
\nC) Sex-determination through ultra – scanning
\nD) Cause of “Kanyasulkam”
\nAnswer:
\nD) Cause of “Kanyasulkam”<\/p>\n

Question 216.
\nThese are essential for keeping healthy sexual life.
\nA) Life skills
\nB) Financial skills
\nC) Sociological skills
\nD) Personality skills
\nAnswer:
\nD) Personality skills<\/p>\n

Question 217.
\nWe should think about controlling not only high population but also
\nA) to create healthy society
\nB) to create contraceptive methods
\nC) to create high-tech culture
\nD) to enhance low female rate
\nAnswer:
\nA) to create healthy society<\/p>\n

\"AP<\/p>\n

Question 218.
\nDeclination in female sex ratio is due to
\nA) Inclination in males
\nB) Sterility in males
\nC) Female foeticides
\nD) Male foeticides
\nAnswer:
\nC) Female foeticides<\/p>\n","protected":false},"excerpt":{"rendered":"

Practice the AP 10th Class Biology Bits with Answers Chapter 6 Reproduction on a regular basis so that you can attempt exams with utmost confidence. AP State Syllabus 10th Class Biology Bits 6th Lesson Reproduction with Answers Concept – 1 : Introduction – Asexual Mode of Reproduction Question 1. Fission , budding and fragmentation are …<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[12],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/16306"}],"collection":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/comments?post=16306"}],"version-history":[{"count":0,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/16306\/revisions"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/media?parent=16306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/categories?post=16306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/tags?post=16306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}