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 the types of …………………….
A) Binary fission
B) Sexual reproduction
C) Multiple fission
D) Asexual reproduction
Answer:
D) Asexual reproduction

Question 2.

List A List B
1. Fragmentation a) Fungi
2. Budding b) Paramoecium
3. Binary fission c) Flatworm

Identify the mis – matched pairs
A) 1, 2
B) 2, 3
C) 1, 3
D) 1, 2, 3
Answer:
B) 2, 3

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 3.
In ants king ant along with queen ant and labour ants exist in numerous numbers
1) These are formed by division of ovule
2) Parthenogenesis is the reason
Choose the correct statement.
A) 1 only
B) 2 only
C) Both are correct
D) Both are wrong
Answer:
B) 2 only

Question 4.
Cut end tail in lizard regenerates.But it doesn’t happen in monkey. Why ?
A) Tail of lizard is important
B) Monkey can survive even without tail
C) Regeneration capacity is less in monkey
D) Regeneration capacity is less in lizard.
Answer:
C) Regeneration capacity is less in monkey

Question 5.
One of the following sentences is not correct about fission
A) This occurs in unicellular organism
B) Rarely occurs in man
C) Fragmentation shows identical characters
D) Binary and multiple fission are the types of fissions.
Answer:
B) Rarely occurs in man

Question 6.
Fragmentation is a common method of reproduction in :
A) Algae & Fungi
B) Yeast
C) Paramoecium
D) Amoeba
Answer:
A) Algae & Fungi

Question 7.
Choose the correct statement regarding budding.
A) Organism divides from parental organism by fission
B) Body divides into pieces
C) Occurs with fusion of gametophytes
D) Some projections grow from the body which are identical
Answer:
D) Some projections grow from the body which are identical

Question 8.
Find out the organisms that perform budding.
i) Amoeba
ii) Hydra
iii) Yeast
iv) Bacteria
A) i only
B) iii only
C) ii, iii
D) All
Answer:
C) ii, iii

Question 9.
Find out the organisms which undergo fragmentation
i) Lichens
ii) Spirogyra
iii) Flatworms
iv) Moulds
A) ii only
B) iii only
C) i,ii,iii
D) All
Answer:
B) iii only

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 10
Reproduction is a necessary life process in plants and animals because it helps in:
A) Growth of an organism
B) Continuation of life
C) Energy production
D) Providing nutrients
Answer:
B) Continuation of life

Question 11.
Name the adjacent plant.
AP 10th Class Biology Bits Chapter 6 Reproduction 1
A) Aspergillus
B) Rhizopus
C) Bryophyllum
D) Agaricus
Answer:
B) Rhizopus

Question 12.
Which of the following organisms do not reproduce by spores?
A) Rhizopus
B) Mucor
C) Yeast
D) Bacteria
Answer:
C) Yeast

Question 13.
Spirogyra undergoes one of these types of sexual reproduction.
A) Fission
B) Fragmentation
C) Budding
D) A or C
Answer:
B) Fragmentation

Question 14.
…………………………. leads to development of zygote without fertilisation.
A) Parthenogenesis
B) Regeneration
C) Cutting
D) Layering
Answer:
A) Parthenogenesis

Question 15.
One of the following is not concerned with parthenogenesis.
A) Parthenogenesis occurs even in sexually reproducing organisms.
B) Daughter organism dies,
C) It occurs in the organisms belonging to Rotiferous.
D) Sexual and asexual reproduction occur at the same time.
Answer:
B) Daughter organism dies.

Question 16.
External fertilisation occurs in
A) frog – snake
B) fish – snake
C) frog – fish
D) fish – rat
Answer:
C) frog – fish

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 17.
Which of the following statements is not true about budding in yeast ?
A) A bud may arise from any part of the parent cell
B) Before detaching from the parent body, a bud may form another bud.
C) A bud may separate from the parent body and develops into a new individual.
D) A bud arises from a particular region on a parent body.
Answer:
B) Before detaching from the parent body, a bud may form another bud.

Question 18.
In which of the following both sexual and asexual reproduction can be seen ?
A) Crocodile
B) Cheetah
C) Honey bees
D) Fluman beings
Answer:
C) Honey bees

Question 19.
Amoeba undergoes cystation and divides into many organisms in unfavourable conditions. This is called
A) Binary fission
B) Longitudinal binary fission
C) Budding
D) Multiple fission
Answer:
D) Multiple fission

Question 20.

List – I List – II
1. Budding a) Yeast
2. Fission b) Lizard
3. Binary fission c) Bacteria

Find out the correct pairs.
A) 1, 2
B) 2, 3
C) 1, 3
D) 1, 2, 3
Answer:
C) 1, 3

Question 21.
Sneha went to market to buy the seedless fruits. Her daughter astonished how seedless fruits generate. How are seedless fruits produced ?
A) Remove the seeds from fruits
B) Parthenogenesis
C) Androgenesis
D) No such fruits
Answer:
B) Parthenogenesis

Question 22.
The organism which reproduces through conjugation is ……………………………..
A) Amoeba
B) Euglena
C) Paramoecium
D) Bacteria
Answer:
C) Paramoecium

Question 23.
The process that is performed by paramoecium to attain the lost energy
A) Conjugation
B) Vegetative propagation
C) Production of spores
D) Internal fertilization
Answer:
A) Conjugation

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 24.
The process in which the organisms produce their generation :
A) Reproduction
B) Respiration
C) Endocrine system
D) Growth
Answer:
A) Reproduction

Question 25.
In which of the following organisms binary fission does not occur ?
A) Amoeba
B) Leech
C) Paramoecium
D) Euglena
Answer:
B) Leech

Question 26.
Which of the following material changes in paramoecium during conjugation ?
A) Protoplasm
B) Nucleic material
C) Sap of vacuoles
D) Chromatin material
Answer:
B) Nucleic material

Question 27.
What does this diagram represent ?
AP 10th Class Biology Bits Chapter 6 Reproduction 2
A) Budding in Hydra
B) Multiple fission in Bacterial
C) Regeneration in Planaria
D) Fragmentation in Spirogyra
Answer:
C) Regeneration in Planaria

Question 28.
Example for Hermaphrodites:
A) Prawn
B) Cockroach
C) Snail
D) Earthworm
Answer:
D) Earthworm

Question 29.
This organism reproduces by budding,
A) Paramoecium
B) Euglena
C) Yeast
D) Amoeba
Answer:
C) Yeast

Concept – 2: Vegetative Propagation

Question 30.
The part called ………………… (i) ……………….. growing in the soil is grafted with …………………………. (ii) ………………….. of the plant.
A) i – stock, ii – branch
B) i – scion, ii – bud
C) i – stock, ii – scion
D) i – branch, ii – bud
Answer:
C) i – stock, ii – scion

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 31.
The best method for extracting desirable characters in the plants
i) Grafting
ii) Layering
iii) Laboratory method
iv) Genetic engineering
A) i – only
B) ii – only
C) iii – only
D) iv – only
Answer:
A) i – only

Question 32.
Find out vegetative propagation depicted in the picture.
AP 10th Class Biology Bits Chapter 6 Reproduction 3
A) Cutting
B) Grafting
C) Ground layering
D) Root buds
Answer:
A) Cutting

Question 33.
In grafting the plant part which supplies% nutrients from soil is called
A) Scion
B) Graft
C) Stock
D) Branch
Answer:
C) Stock

Question 34.
Modern technology of artificial propagation of plants ……………………
A) Tissue culture
B) Fragmentation
C) Layering
D) Grafting
Answer:
A) Tissue culture

Question 35.
“Nerium” is propagated by …………………….
A) Stolon
B) Layering
C) Corn
D) Bulbs
Answer:
B) Layering

Question 36.
1. Stolon
2. Bulbs
3. Corns
Pick out the right option for above methods of vegetative propagation.
a) Vallisnaria
b) Onion
c) Potato
d) Colacasia
A) 1 – a, 2 – b, 3 – c
B) 1 – b, 2 – a, 3 – d
C) 2 – b, 3 – c, 1- a
D) 1 – a, 2- b, 3 – d
Answer:
D) 1 – a, 2- b, 3 – d

Question 37.
Stock and scion are attached. Which type of characters will come in the offspring?
A) Characters of stock
B) Characters of scion
C) Special desired characters
D) Can’t say
Answer:
C) Special desired characters

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 38.
The most useful reproductive process in the development of ornamental and horticulture field.
A) Binary fission
B) Budding
C) Vegetative propagation
D) Multiple fission
Answer:
C) Vegetative propagation

Question 39.
The plant that propagates through root cuttings
A) Rose
B) Carrot
C) Mango
D) Hibiscus
Answer:
B) Carrot

Question 40.
Which of the following reproduces through leaves ?
A) Bryophyllum
B)) Rose
C) Watermelon
D) Marigold
Answer:
A) Bryophyllum

Question 41.
The vegetative propagation in weak aerial stem plant is by
i) Runner
ii) Stolon
iii) Tuber
iv) Corn
A) i only
B) iv only
C) i, iii only
D) i, ii only
Answer:
D) i, ii only

Question 42.
The plants species generally propagated by layering.
A) Nerium
B) Jasmine
C) Bryophyllum
D) A & B
Answer:
D) A & B

Question 43.
The scientist who discovered tissue culture is
A) M.S. Swaminathan
B) O. Maheswari
C) Haberlandt
D) Ion Wilmont
Answer:
C) Haberlandt

Question 44.
Thousands of plants can be grown in very short interval of time in …………………….. method.
A) Cloning
B) Tissue culture
C) Hybridization
D) Crossing
Answer:
B) Tissue culture

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 45.
The type of vegetative reproduction in strawberry is ……………
A) bulbs
B) stolons
C) tubers
D) corms
Answer:
B) stolons

Concept – 3 : Spore Formation

Question 46.
Which of the following is correct regarding the functions of Lactobacillus?
1. Making of curd
2. To luke – warm milk
3. To make sweet
4. To make hot milk cool
A) 1,2
B) 1, 2, 3
C) 2, 3,4
D) 1 only
Answer:
A) 1,2

Question 47.
Tilak left a piece of bread on the table. Next day it became black. The reason
i) Fungal growth appears
ii) Rhizopus appears on the bread
iii) Bacterial growth appears
iv) Virus affects the bread
A) i, ii, iii correct
B) ii, iii correct
C) iii, iv correct
D) i, ii correct
Answer:
D) i, ii correct

Question 48.
Which of the following reproduce througe spores?
i) Mucor
ii) Bacteria
iii) Rhizopus
iv) Fern
A) i only
B) ii, iii, iv only
C) ii, iii only
D) All
Answer:
D) All

Question 49.
Which of the following is not Concerned with stored bread mould.?
A) Blackish material forms on the bread
B) Formed fungi is Rhizopus
C) The fungi Rhizopus keeps the bread fresh
D) Spores are formed in Rhizopus
Answer:
C) The fungi Rhizopus keeps the bread fresh

Question 50.
The functions of Lactobacillus
i) curdling of milk
ii) boiling milk
iii) kova preparation
iv) cooling of milk
A) i, ii
B) i, ii, iii
C) ii, iii, iv
D) i only
Answer:
D) i only

Question 51.
To obtain fungal structures we use one of the food material
A) Dry seeds
B) Roti
C) Smoked fish
D) A or B
Answer:
B) Roti

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 52.
Find out the given picture.
AP 10th Class Biology Bits Chapter 6 Reproduction 4
A) Spores in neem leaf
B) Sori infern
C) Fungi
D) Spores in mango
Answer:
B) Sori infern

Question 53.
The acid present in milk is
A) Citric acid
B) Asteric acid
C) Lactic acid
D) Ascorbic acid
Answer:
C) Lactic acid

Concept – 4 : Male Reproduction System

Question 54.
Which part of the male reproductive system produces (human) the sperm cells ?
A) Seminiferous tubule
B) Epididymis
C) Bladder
D) Scrotum
Answer:
A) Seminiferous tubule

Question 55.
Name the part ‘X’ in the given diagram.
AP 10th Class Biology Bits Chapter 6 Reproduction 5
A) Acrosome
B) Head
C) Nucleus
D) Tail
Answer:
A) Acrosome

Question 56.
The ……………………. supplies nutrients to sperm.
a) Prostate gland
b) Cowper gland
c) Testosterone
d) Adrenal gland
A) a, c
B) c, b
C) b, d
D) a, b
Answer:
D) a, b

Question 57.
The fertilisation which occurs outside the body is
A) External fertilisation
B) Internal fertilisation
C) Tissue culture
D) Oviparous
Answer:
A) External fertilisation

Question 58.
Find out the incorrect sentence regarding fertilisation in fish
A) External fertilisation
B) Female produces numerous ova
C) Male produces only one sperm
D) Fertilisation is influenced by nature
Answer:
C) Male produces only one sperm

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 59.
Consider the statements a & b.
a – Vasa efferentia forms epididymis
b – Sperms are produced in millions
A) Both a & b are true
B) a is true, b is false
C) b is true, a is false
D) Both a & b are false
Answer:
A) Both a & b are true

Question 60.
Semen is a gelatinous substance. It is secreted by ………………
A) Salivary and cowper’s glands
B) Cowper’s and gastric glands
C) Seminal vesicles
D) Cowper’s glands
Answer:
C) Seminal vesicles

Question 61.
In which of the following reproduction processes fusion of gametophytes occur?
A) Vegetative propagation
B) Sexual reproduction
C) Asexual reproduction
D) Multiple fission
Answer:
B) Sexual reproduction

Question 62.
The sperms enter into ……………….. from seminal vesicles.
A) Epididymis
B) Seminal duct
C) Prostate gland
D) Urethra
Answer:
A) Epididymis

Question 63.
The development of male reproductive organs is regulated by
A) Testosterone
B) Vasopressin
C) Progesterone
D) Oestrogen
Answer:
A) Testosterone

Question 64.
Sperm cells of human male reproductive system are produced from ………………..
A) seminiferous tubules
B) epididymis
C) scrotum
D) prostate gland
Answer:
A) seminiferous tubules

Question 65.
AP 10th Class Biology Bits Chapter 6 Reproduction 6
Consider the given picture.
What will be consequence if vasa deferentia is detached ?
A) Sperms are not produced
B) Sperms do not reach seminal vesicle
C) Person will die
D) Cowper’s gland becomes inactive
Answer:
B) Sperms do not reach seminal vesicle

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 66.
Which of the following is concerned with male reproductive system ?
A) Fallopian tubes
B) Testes
C) Placenta
D) Umbilical cord
Answer:
B) Testes

Question 67.
The main function of acrosome in sperm is
A) Respiration
B) Movement
C) Excretion
D) Helps in entry into egg cell
Answer:
D) Helps in entry into egg cell

Question 68.
The sending out of semen from male’s body is called
A) reproduction
B) ejaculation
C) ovulation
D) fertilisation
Answer:
B) ejaculation

Question 69.
The reason for growth of beard and moustache in males is
A) Secondary sexual characters
B) Sexual hormones
C) Growth of muscles
D) Inheritance
Answer:
B) Sexual hormones

Question 70.
Which of the following gland belongs to male reproductive system ?
A) Salivary gland
B) Sebacious gland
C) Gastro enteron
D) Cowper’s gland
Answer:
D) Cowper’s gland

Question 71.
Which of the following is not concerned with male reproductive system?
A) Testes
B) Seminal ducts
C) Prostate gland
D) Graffian follicles
Answer:
D) Graffian follicles

Question 72.
The term that we use to describe a sperm cell fusing with an egg cell
A) Fragmentation
B) Fermentation
C) Fertilisation
D) Fusion
Answer:
C) Fertilisation

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 73.
Which part of human male reproductive system stores sperms temporarily?
A) Epididymis
B) Seminiferous tubules
C) Vasa efferentia
D) Penis
Answer:
A) Epididymis

Question 74.
Identify the function of semen.
A) Keep the sperms alive by providing nutrients
B) Provides medium for the movement of sperms
C) Helps in the production of sperms
D) Both A & B
Answer:
D) Both A & B

Concept – 5 : Female Reproduction System

Question 75.
How does sperm enter ovum ?
A) By making hole on ovum
B) Dissolves the membrane of ovum
C) Crushing the membrane with teeth
D) Enter through the gaps of ovum
Answer:
B) Dissolves the membrane of ovum

Question 76.
After fertilisation implantation of zygote takes place in the uterine walls of females after
A) some months
B) three weeks
C) month
D) 7 – 10 days
Answer:
D) 7 – 10 days

Question 77.
The hormone responsible for secondary sexual characters in female is …………………
A) Adrenaline
B) Testosterone
C) Vasopressin
D) Estrogen
Answer:
D) Estrogen

Question 78.
Which of the following follicle ruptures to release ova ?
A) Graffian follicle
B) Leiberhan follicle
C) Islets of langerhans
D) Scrotum
Answer:
A) Graffian follicle

Question 79.
Incorrect statement about post fertilization changes in the uterus
A) Uterus remains small in size with thin layer of cells
B) Walls of uterus become thick and smooth
C) Blood circulation increases in the uterus
D) Embryonic layers develop in the uterus
Answer:
A) Uterus remains small in size with thin layer of cells

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 80.
The outermost layer that encloses embryo
A) Chorion
B) Amnion
C) Allantois
D) Umbilical cord
Answer:
A) Chorion

Question 81.
The chorion and tissue of uterus combine and form
A) Chorion
B) Allantois
C) Amnion
D) Placenta
Answer:
D) Placenta

Question 82.
The layer formed at around 12th week of pregnancy
A) Umbilical cord
B) Allantois
C) Placenta
D) Amnion
Answer:
C) Placenta

Question 83.
The tube which, connects the embryo with placenta is
A) Fallopian tube
B) Seminal vesicle
C) Epididymis
D) Umbilical cord
Answer:
D) Umbilical cord

Question 84.
The 3 months of embryo is called ………………
A) New born child
B) Foetus
C) Baby
D) Nucleoid
Answer:
B) Foetus

Question 85.
Which of the following is the correct sequence of steps in the human life cycle ?
A) Babyhood, childhood, adolescence, adulthood
B) Childhood, babyhood, adulthood, adolescence
C) Adolescence, babyhood, adulthood, childhood
D) None of these
Answer:
B) Childhood, babyhood, adulthood, adolescence

Question 86.
Which of these things will affect the way a foetus grows ?
A) Chemicals in cigarette smoke
B) Alcohol
C) Drugs
D) All of the above
Answer:
D) All of the above

Question 87.
The gestation period in man is …………………..
A) 330 days
B) 20 days
C) 280 months
D) 280 days
Answer:
D) 280 days

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 88.
The tube which have widened funnel
A) Seminal duct
B) Fallopian tube
C) Umbilical cord
D) Chorion
Answer:
B) Fallopian tube

Question 89.
The number of ova released once in females periodically is
A) 3
B) 2
C) 4
D) 1
Answer:
D) 1

Question 90.
The structure which joins the embryo to the walls of uterus is ………………
A) Chorion
B) Umbilical cord
C) Fallopian tubule
D) Epididymis
Answer:
B) Umbilical cord

Question 91.
The correct statement about the membrane grows itself around the embryo
i) It is filled with a fluid
ii) It nourishes humidity to the developed embryo
iii) It protects the embryo from mechanical shocks.
iv) It is called chorion
A) i only
B) ii & iii
C) i, ii, iii
D) All of the above
Answer:
D) All of the above

Question 92.
Immediately after the delivery, the mammary glands of the mother secrete ………………………
A) Milk
B) Colostrum
C) Blood
D) water
Answer:
B) Colostrum

Question 93.
When the foetus is in its mother’s womb, the blood cells are generated from ……………………..
A) bone marrow
B) liver and spleen
C) kidneys
D) brain and spinal cord
Answer:
B) liver and spleen

Question 94.
Why are egg cells larger than sperm cells?
A) Have larger nucleus
B) Have thicker cell membrane
C) Egg cells have more nuclei in them
D) They store food to help foetal growth after fertilisation
Answer:
D) They store food to help foetal growth after fertilisation

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 95.
Doctors separate the baby from mother by detaching
A) intestine of mother
B) chorion
C) umbilical cord
D) allantios
Answer:
C) umbilical cord

Question 96.
Arrange the sequence of steps of human life cycle.
1. Adolescence
2. Babyhood
3. Adulthood
4. Childhood
A) 1, 3, 4, 2
B) 4, 2, 3, 1
C) 2, 4, 1, 3
D) 3, 4, 2, 4
Answer:
C) 2, 4, 1, 3

Question 97.
Pathway of ovum in female reproductive system is
A) Ovary → Oviduct →Uterus → Vagina
B) Vagina → Uterus → Oviduct → Ovary
C) Ovary → Ovid’uct → Uterus
D) Uterus → Vagina → Oviduct
Answer:
A) Ovary → Oviduct →Uterus → Vagina

Question 98.
The gestation period of horse is …………………….
A) 300 days
B) 330 days
C) 380 days
D) 365 days
Answer:
B) 330 days

Question 99.
Identify which membrane forms the umbilical cord.
A) Chorion
B) Allantois
C) Amnion
D) Placenta
Answer:
A) Chorion

Question 100.
Gestation period is 63 days for the animals like
A) cat and dog
B) cat and rat
C) cat and rabbit
D) rat and mouse
Answer:
A) cat and dog

Question 101.
Consider the sentences a & b.
a – Gestation period is different in different organisms.
b – The rate of reproduction is more during favourable conditions
A) Both ‘a’ & ‘b’ are true
B) ‘a’ is true, ‘b’ is false
C) ‘a’ is false, ‘b’ is true
D) Both ‘a’ & ‘b’ are false
Answer:
A) Both ‘a’ & ‘b’ are true

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 102.
Ovary → AP 10th Class Biology Bits Chapter 6 Reproduction 6,1→Ovum → Ovulation → Fallopian tube → Uterus.
What will be in the box ?
A) Ovary
B) Graffian follicle
C) Cavity of ovule
D) Canal
Answer:
B) Graffian follicle

Question 103.
Which of the following is not concerned with female reproduction system?
A) Ovary
B) Fallopian tube
C) Leiberhan follicles
D) Graffian follicles
Answer:
C) Leiberhan follicles

Question 104.
How are the ova fertilized in mammals?
A) Externally
B) In the organs
C) Internally
D) By division
Answer:
C) Internally

Question 105.
In which structure we can find Graffian follicles?
A) Fallopian tube
B) Corpus leutium
C) Ovule
D) Ovary
Answer:
D) Ovary

Question 106.
The part of the female reproductive system produces the eggs …………………..
A) Ovary
B) Epididymis
C) Cervix
D) Fallopian tube
Answer:
A) Ovary

Question 107.
Find out the incorrect statement regarding child birth.
A) Child will be healthy only after completion of gestation period
B) Delivery will be easy if the head of foetus comes out first
C) Labour pains occur due to injection given by doctor
D) Delivery of baby becomes tough if legs come out of mother’s womb
Answer:
C) Labour pains occur due to injection given by doctor

Question 108.
The symbol for easy delivery process is
A) Not having labour pains
B) Amniotic fluid flows out due to the rupture of Amnion
C) The contractions of the walls of uterus are weak
D) The child turns crossand comes out
Answer:
B) Amniotic fluid flows out due to the rupture of Amnion

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 109.
The base for the formation of navel in human beings
A) Umbilical cord
B) Placenta
C) Chorion
D) Body structure
Answer:
A) Umbilical cord

Question 110.
The muscular contractions of the uterus result in
A) Not good
B) Disorder of birth
C) Child birth
D) Not happens
Answer:
C) Child birth

Question 111.
The fluid that is secreted at the end of the gestation period
A) Colostrum
113) Lymph
C) Blood
D) Saliva
Answer:
A) Colostrum

Concept – 6 : Sexual Reproduction in Plants

Question 112.
Fine powdery material that is observed on the anther lobes
A) Pollen grains
B) Ova
C) Ovules
D) Stigma
Answer:
A) Pollen grains

Question 113.
Bottle gourd, Papaya have the …………………. flowers.
A) unisexual
B) bisexual
C) cyclic
D) ray
Answer:
A) unisexual

Question 114.
Find the odd one out.
A) Calyx
B) Corolla
C) Pistil
D) Follicle
Answer:
D) Follicle

Question 115.
The condition of pollen mother cell
A) n
B) 2n
C) 3n
D) 4n
Answer:
B) 2n

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 116.
These figures are related to …………………….
AP 10th Class Biology Bits Chapter 6 Reproduction 7
A) transpiration
B) reproduction
C) excretion
D) photosynthesis
Answer:
B) reproduction

Question 117.
Identify the unisexual flowers.
A) Bottle gourd
B) Papaya
C) Both A & B
D) None
Answer:
C) Both A & B

Question 118.
Read the paragraph given below and answer.
Most 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.
Flowering plants possess
A) Bisexual flowers
B) Unisexual flowers
C) A or B r
D) Only Heterozygous flowers
Answer:
B) Unisexual flowers

Question 119.
AP 10th Class Biology Bits Chapter 6 Reproduction 8
See the picture of pollen grain. What sort of division helps in its formation?
A) Mitosis
B) Unequal division
C) Meiosis
D) Unnatural division
Answer:
C) Meiosis

Question 120.
The terminal part of the style
A) Ovary
B) Stigma
C) Androecium
D) Anther lobe
Answer:
C) Androecium

Question 121.
The female reproductive part of a flower
A) Thalamus
B) Stamen
C) Gynoecium (Ovary)
D) Pollen grain
Answer:
B) Stamen

Question 122.
The male part of flower is
A) Ovules
B) Stamen
C) Petals
D) Sepals
Answer:
D) Sepals

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 123.
Which of the following is not concerned with pollination ?
A) The falling of pollen grains on the stigma is pollination.
B) The pollen grains of one flower do not fall on the same flower.
C) The pollen grains of one flower fall on the another flower.
D) Pollination helps in fertilization.
Answer:
B) The pollen grains of one flower do not fall on the same flower.

Question 124.
The student observes the pollen grain under the microscope. It appears as below. ‘X’ indicates …………………..
AP 10th Class Biology Bits Chapter 6 Reproduction 9
A) Matured nucleus
B) Pollen tube
C) Stigma
D) Tube cell
Answer:
B) Pollen tube

Question 125.
The type of flowers you observed in Datura.
A) Unisexual flowers
B) Bisexual flowers
C) Heterosexual flowers
D) Heterozygous flowers
Answer:
C) Heterosexual flowers

Question 126.
The number of cells present in pollen grain
A) One
B) Three
C) Four
D) Two
Answer:
A) One

Concept – 7 : Structure of Ovule & Seed Germination

Question 127.
Embryo sac
A) comprises 7 cells, 6 nuclei
B) comprises 7 cells, 8 nuclei
C) comprises 6 cells, 6 nuclei
D) comprises 8 cells, 8 nuclei
Answer:
B) comprises 7 cells, 8 nuclei

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 128.
The cells in embryo sac are
i) Antipodals
ii) Synergids
iii) Polar nuclei
iv) Female gametophyte
A) iv only
B) iii, iv only
C) i, ii only
D) All
Answer:
D) All

Question 129.
At the time of fertilisation in embryo sac b the cell which is in diploid state :
A) Polar nuclei
B) Zygote
C) Endosperm
D) Intra ovular tissue
Answer:
A) Polar nuclei

Question 130.
What will you find out at the inner part of separated cotyledons of seed ?
A) Embryo
B) Leaves
C) Flower
D) Radicle
Answer:
A) Embryo

Question 131.
What is the need of sprinkling water on ground nut germinating seeds in order to observe the phenomenon of seed germination ?
A) To keep the seeds wet in condition
B) To enhance dormancy
C) To destroy germination
D) To bring out leaves
Answer:
A) To keep the seeds wet in condition

Question 132.
The number of layers that protect ovule
A) 1
B) 2
C) 3
D) 4
Answer:
B) 2

Question 133.
Pollen tube bears
A) one male, one female nuclei
B) 2 male nuclei
C) 2 female nuclei
D) 2 male, 2 female nuclei
Answer:
B) 2 male nuclei

Question 134.
The given picture depicts ……………………….
AP 10th Class Biology Bits Chapter 6 Reproduction 10
A) Female gametophyte
B) Antipodal cells
C) Secondary nucleus
D) Helper cells
Answer:
A) Female gametophyte

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 135.
Name the part which is asked as a question mark (?).
Class
A) Granular cell
B) Polar cell
C) Egg cell
D) Hard cell
Answer:
C) Egg cell

Question 136.
Find out the correct sentence.
A) Double fertilization occurs in Angiosperms
B) Double fertilization occurs in Gymnosperms
C) Asexual reproduction occurs in all flowering plants
D) Single fertilization occurs in flowering plants
Answer:
A) Double fertilization occurs in Angiosperms

Question 137.
Which of the following plant does not have the endosperm ?
A) Coconut
B) Groundnut
C) Castor
D) Mango
Answer:
D) Mango

Question 138.
Which of the following seeds have endosperm ?
A) Castor
B) Pea
C) Red gram
D) Green gram
Answer:
A) Castor

Question 139.
After fertilization, ovary forms into …………………
A) seeds
B) bud
C) fruit
D) flower
Answer:
A) seeds

Question 140.
The second sperm fuses with the polar nuclei and
A) Zygote forms
B) Fertilisation starts
C) Endosperm forms
D) Female gametophyte activates
Answer:
C) Endosperm forms

Question 141.
In plants, the fusion of male gamate with secondary nucleus results in …………………
A) Embryo sac
B) Endosperm
C) Cotyledons
D) Spores
Answer:
B) Endosperm

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 142.
The conditions required for germination of seeds are
A) moist
B) temperature
C) light
D) All of the above
Answer:
D) All of the above

Question 143.
Find out the correct sentence.
a – Endosperm is formed from the fusion of male nucleus with secondary nucleus
b – Endosperm converts into a seed
A) Both ‘a’ & ‘b’ are true
B) ‘a’ is true, ‘b’ is false
C) ‘a’ is false, ‘b’ is true
D) Both ‘a & ‘b’ are false
Answer:
B) ‘a’ is true, ‘b’ is false

Question 144.
Which one of the following seeds does not have endosperm ?
A) Maize
B) Rice
C) Wheat
D) Red gram
Answer:
D) Red gram

Question 145.
The state of endospermic nucleus is
A) n
B) 2n
C) 3n
D) 4n
Answer:
C) 3n

Question 146.
Non-endospermic seed is seen in this plant
A) Maize
B) Paddy
C) Castor
D) Groundnut
Answer:
D) Groundnut

Question 147.
The reason for the enlarged cotyledons in beans is ………………
A) Pericarp
B) Endosperm
C) Swelling in water
D) Artificial one
Answer:
B) Endosperm

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 148.
Cotyledons are present in
A) Stamens
B) Ovary
C) Ovule
D) Seeds
Answer:
D) Seeds

Question 149.
The parts of flower useful even after fertilisation
A) Ovule
B) Androecium
C) Style, Stigma
D) Calyx
Answer:
A) Ovule

Question 150.
This part indicates future root in matured embryo
A) Plumule
B) Radicle
C) Chalaza
D) Cotyledons
Answer:
B) Radicle

Question 151.
The name of the part on which pollen tube enters into embryo sac
A) Intra ovular tissue
B) Chalaza
C) Micropyle
D) Tissue
Answer:
C) Micropyle

Question 152.
Endosperm forms due to fertilization of …………………
A) male gamete + synergids
B) male gamete + antipodal cells
C) male gamete + female gamete
D) male gamete + second nucleus
Answer:
D) male gamete + second nucleus

Question 153.
Double fertilization is seen only in
A) Cycas
B) Pinus
C) Angiosperms
D) Bryophytes
Answer:
C) Angiosperms

Question 154.
Fertilization of fusion nucleus stimulates the formation of :
A) Endosperm
B) Zygote
C) Exospefm
D) Cotyledons
Answer:
A) Endosperm

AP 10th Class Biology Bits Chapter 6 Reproduction

Concept – 8 : Cell Division and Configuration of Life

Question 155.
The scientist who discovered the mitosis is
A) Wilhelm Roux
B) Gregor Mendel
C) Walther Flemming
D) Robert Remak
Answer:
C) Walther Flemming

Question 156.
The scientist who discovered that production of new cells occur through cell division is
A) Robert Remak
B) Virchow
C) Walther Flemming
D) Gregor Mitos
Answer:
B) Virchow

Question 157.
The scientist who told about the information of meiosis
A) Walther Flemming
B) Theodor Boveri
C) August Weismann
D) Wilhelm Roux
Answer:
B) Theodor Boveri

Question 158.
Mitos means
A) Division
B) Fine threads
C) Chromosomes
D) Nucleus
Answer:
B) Fine threads

Question 159.
In which of the following part meiosis occurs ?
A) Stamen
B) Pollen sac
C) Pollen grain
D) Part of stamen
Answer:
B) Pollen sac

Question 160.
The period between two cell divisions is called
A) Prophase
B) Anaphase
C) Interphase
D) Metaphase
Answer:
C) Interphase

Question 161.
Stages of interphase
1) G1 phase
2) S phase
3) G2 phase
4) M phase
A) 1 Only
B) 1 & 2
C) 1, 2, 3
D) 2 only
Answer:
C) 1, 2, 3

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 162.
Nuclear membrane disappears in one of the stages of cell division
A) Prophase
B) Metaphase
C) Telophase
D) Anaphase
Answer:
A) Prophase

Question 163.
Identify the mitotic phase shown in the diagram
AP 10th Class Biology Bits Chapter 6 Reproduction 12
A) Prophase
B) Anaphase
C) Metaphase
D) Telophase
Answer:
B) Anaphase

Question 164.
Dr. Potu Narasimha Rao from Guntur is a renowned scholar and eminent
A) Cytology
B) Physiology
C) Psychology
D) Embryology
Answer:
A) Cytology

Question 165.
The daughter cells formed during meiosis are :
A) Haploid
B) Diploid
C) Triploid
D) Polyploid
Answer:
A) Haploid

Question 166.
Identify the correct sequence.
A) Prophase → Anaphase → Telophase → Metaphase
B) Prophase → Metaphase → Anaphase → Telophase
C) Metaphase → Telophase → Prophase → Anaphase
D) Prophase → Anaphase → Metaphase → Telophase
Answer:
B) Prophase → Metaphase → Anaphase → Telophase

Question 167.
The phase in which DNA synthesis takes place.
A) G1 – phase
B) M – phase
C) G2 – phase
D) S – phase
Answer:
D) S – phase

Question 168.
Mitosis was discovered by ……………….
A) Theodor Boveri
B) August Weismann
C) Walther Flemming
D) Charles Darwin
Answer:
B) August Weismann

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 169.
Meaning of the phrase “Omnis Cellula de Cellula” is
A) All cells exist from preexisting cells .
B) All cells can divide
C) All cells contain nucleus
D) All cells are the product of nucleus
Answer:
A) All cells exist from preexisting cells .

Question 170.
Which of the following is the correct sequence of stages in the cell cycle?
A) S → M → G1 → G2
B) M → S → G1 → G2
C) G1 → G2 → S → M
D) G1 → S → G2 → M
Answer:
D) G1 → S → G2 → M

Question 171.
Division of nucleus is called :
A) Cytokinesis
B) Karyokinesis
C) Interphase
D) Telophase
Answer:
B) Karyokinesis

Question 172.
Which of the following stages of cell division involves the movement of chromosomes to spindle equator?
A) Anaphase
B) Metaphase
C) Telophase
D) Cytokinesis
Answer:
B) Metaphase

Question 173.
Cytoplasmic division occurs in ………………. of the cell division
A) Metaphase
B) Telophase
C) Anaphase
D) Prophase
Answer:
C) Anaphase

Question 174.
The part in which the centrioles are formed during cell division is
A) Plant cell
B) Cancer cell
C) Animal cell
D) Nerve cell
Answer:
C) Animal cell

Question 175.
Chromosomal number becomes half in certain types of cells in cell division. This type of cell division takes place in
A) In testes
B) In ovaries
C) In both
D) In all body cells
Answer:
C) In both

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 176.
In synthetic stage of cell division cycle which substance is synthesized more ?
A) RNA
B) RNA and proteins
C) DNA
D) Glucose
Answer:
C) DNA

Question 177.
Which animal is having less number of chromosomes ?
A) Onion
B) Monkey
C) Ascaris
D) Rat
Answer:
C) Ascaris

Question 178.
Find out the correct statement
a – Mitos means fine threads b – Mitosis was discovered by Walther Flemming ‘
A) Both ‘a’ & ‘b’ are true
B) ‘a’ is true, ‘b’ is false
C) ‘a’ is false, ‘b’ is true
D) Both ‘a’ & ‘b’ are false
Answer:
A) Both ‘a’ & ‘b’ are true

Question 179.
Consider the following sentences.
a – The number of chromosomes remain same throughout the generations.
b – Though the cell division occurs the chromosomal number remains constant
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
B) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’
C) ‘a’ is true, ‘b’ is false
D) ‘a’ is false, ‘b’ is true
Answer:
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’

Question 180.
a – Skin cells stimulate and divide at site of injury and form new tissues.
b – Cancer cells do not respond to controlling factors and perform division
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
B) Both ‘a’ & ‘b’ are true, ‘h’ doesn’t explain ‘a’
C) ‘a’ is true, ‘b’ is false
D) ‘a’ is false, ‘b’ is true
Answer:
B) Both ‘a’ & ‘b’ are true, ‘h’ doesn’t explain ‘a’

Question 181.
Find out the correct sentence.
a – Centromeres in metaphase split and separate the chromatids
b – Nucleus divides into two in prophase
A) Both ‘a’ & ‘b’ are true
B) ‘a’ is true, ‘b’ is false
C) ‘a’ is false, ‘b’ is true
D) Both ‘a’ & ‘b’ are false
Answer:
B) ‘a’ is true, ‘b’ is false

Question 182.
a – Meiosis occurs in two stages
b – Even though meiosis has two divisions chromosomal division occurs only once.
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
B) Both ‘a’ & ‘b’ tire hue. ‘b’ doesn’t explain ‘a’
C) ‘a’ is true,.’b’ is false
D) ‘a’ is false, ‘b’ is true
Answer:
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 183.
Maintenance of equal number of chromosomes in …………………  (i) ……………………… division and chromosomal number reduced to half in …………………….. (ii) ………………. division.
A) i – meiotic, ii – mitotic
B) i – mitotic, ii – meiotic
C) i – equal division, ii – meiotic
D) i – meiotic, ii – unequal
Answer:
B) i – mitotic, ii – meiotic

Question 184.
Wrong statement about meiosis :
i) Meiosis occurs during gamete formation
ii) Meiosis has 2 stages
iii) Though division occurs in 2 stages chromosomal division occurs only once
iv) Four daughter nuclei are formed
A) i, ii
B) ii & iii
C) i, ii, iii
D) All of the above
Answer:
D) All of the above

Question 185.
AP 10th Class Biology Bits Chapter 6 Reproduction 13
What happens in the ‘M1 phase of this cell cycle ?
A) Cell size increases
B) Cell organelle divides
C) Duplication of chromosome
D) Cell divides
Answer:
D) Cell divides

Question 186.
Arrange the stages in a correct order
1. S stage
2. G2 stage
3. M stage
4. G1 stage
A) 4, 1, 2, 3
B) 2, 3, 4,1
C) 4, 2, 3,1
D) 1, 3, 4, 2
Answer:
A) 4, 1, 2, 3

Concept – 9 : Reproductive Health

Question 187.
ART stands for
A) Anti Retrogressive Therapy
B) Anti Resonance Theraphy
C) Anti Retroviral Therapy
D) Acute Retroviral Therapy
Answer:
C) Anti Retroviral Therapy

Question 188.
ASHA stands for
A) Accredited Social Health Association
B) Accredited Social Health Activist
C) AIDS Social Health Activist
D) AIDS Sexual Health Activist
Answer:
B) Accredited Social Health Activist

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 189.
STD stands for
A) Subscribers Trunk Demand
B) Sexually Trunk Dialing
C) Sexually Transmitted Disease
D) Sexually Telephoned Dialing
Answer:
C) Sexually Transmitted Disease

Question 190.
The states that took first three places with highest number of HIV – AIDS patients
i) Andhra Pradesh
ii) Maharashtra
iii) Karnataka
A) i, iii, ii
B) i, ii, iii
C) iii, ii, i
D) ii, iii, i
Answer:
A) i, iii, ii

Question 191.
The age group affected by HIV – AIDS
A) 10 – 15
B) 15 – 24
C) 10 – 60
D) 15 – 49
Answer:
D) 15 – 49

Question 192.
The factors for spreading of HIV – AIDS
i) Unprotected sex
ii) Illegal sex activities
iii) Unprotected blood transfusion
iv) Mosquito bite
A) i, ii, iii,
B) ii, iii, iv
C) i, ii
D) iv
Answer:
A) i, ii, iii,

Question 193.
Red ribbon club educates the people on …………………
A) Leprosy
B) Family planning
C) AIDS
D) Ebola disease
Answer:
C) AIDS

Question 194.
AIDS : Virus :: Syphilis : ?
A) Virus
B) Bacteria
C) Fungus
D) Protozoan
Answer:
B) Bacteria

Question 195.
Gonorrhoea: ? :: Syphilis : Bacteria
A) Virus
B) Bacteria
C) Fungus
D) Protozoan
Answer:
B) Bacteria

Question 196.
Which of the following is not a contraceptive ?
A) Copper T
B) Vasectomy
C) Tubectomy
D) Green tea
Answer:
D) Green tea

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 197.
Whom do you consult to know about HIV – AIDS ?
A) ASHA
B) USHA
C) Red Ribbon Express
D) A or C
Answer:
D) A or C

Question 198.
This symbol denotes ………………………..
AP 10th Class Biology Bits Chapter 6 Reproduction 14
A) World AIDS Day
B) World DOCTORS’ Day
C) World HEALTH Day
D) World RED CROSS Day
Answer:
A) World AIDS Day

Question 199.
Consider the following.
a – Girls only after 18 years of age can be said to be prepared for the marriage
b – Every year 21% of teenage mothers die dining delivery
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
B) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’
C) ‘a’ is true, ‘b’ is false
D) ‘a’ is false, ‘b’ is true
Answer:
B) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’

Question 200.
The pills used by male, kill the sperms. These are called
A) Wormicides
B) Spermicides
C) Pesticides
D) Herbicides
Answer:
B) Spermicides

Question 201.
The contraceptive which prevents not only fertilisation but also transmitting sexual diseases
A) Spermicides
B) Condomes
C) Tubectomy
D) Copper – T, Loop
Answer:
B) Condomes

Question 202.

List – I List – II
a) Vasa deferentia 1. Copper-T
b) Contraceptive device 2. Spermicide
c) Closing of fallopian tube 3. Tubectomy

A) 1 – a, 2 – b, 3 – c
B) 1 – b, 2 – a, 3 – c
C) 1 – c, 2 – b, 3 – a
D) 2 – b, 3 – c, 1 – a
Answer:
B) 1 – b, 2 – a, 3 – c

Question 203.
In our country, the legal age for marriage of boys is …………………….
A) 21
B) 20
C) 18
D) 23
Answer:
A) 21

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 204.
Parental sex determination has been prohibited by the law due to …………………
A) High cost charged by doctors
B) Possible danger of mother’s health
C) Increasing cases of female foeticide
D) Increasing cases of male foeticide
Answer:
C) Increasing cases of female foeticide

Question 205.
This surgical operation prevents ovum from entering into oviducts.
A) Hysterectomy
B) Tubectomy
C) Vasectomy
D) Surrogacy
Answer:
B) Tubectomy

Question 206.
Vasectomy means
A) Cutting and tying of sperm ducts
B) Cutting and tying of fallopian tubes
C) Foeticide
D) Prevention of sexual diseases
Answer:
A) Cutting and tying of sperm ducts

Question 207.
The tube which will be cut in vasectomy method .
A) Seminal vesicle
B) Oviduct
C) Epididymis
D) Vasa deferentia
Answer:
D) Vasa deferentia

Question 208.
The tube which will be cut and tied the ends in tubectomy method is
A) Graffian follicle
B) Fallopian tube
C) Uterus
D) Vagina
Answer:
B) Fallopian tube

Question 209.
Contraceptive methods are
A) device
B) chemicals
C) devices, chemicals
D) unhealthy activities
Answer:
C) devices, chemicals

Question 210.
This stops spreading of AIDS.
A) T – loop
B) Prevention is better
C) Tubectomy
D) Vasectomy
Answer:
B) Prevention is better

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 211.
The legal age of girls in India was declared by ……………………
A) Parents
B) Priests
C) Government of India
D) Women organisation
Answer:
C) Government of India

Question 212.
The incorrect reason about “child marriages – an illegal act”.
A) Immaturity of reproductive organs
B) Incapability in nourishing the children
C) Less dowry earning
D) Lack of capability on family responsibility
Answer:
C) Less dowry earning

Question 213.
The state that is in top most place with female and male ratio
A) Andhra Pradesh
B) Rajasthan
C) Kerala
D) Madhya Pradesh
Answer:
C) Kerala

Question 214.
This age group human being starts producing sperm about ……………………
A) 13 or 14 years
B) 10 or 11 years
C) Embryonic stage
D) 20 – 21 years
Answer:
A) 13 or 14 years

Question 215.
One of the following is not a reason for foetal killing.
A) Girl is not a capable person
B) Dowry problem
C) Sex-determination through ultra – scanning
D) Cause of “Kanyasulkam”
Answer:
D) Cause of “Kanyasulkam”

Question 216.
These are essential for keeping healthy sexual life.
A) Life skills
B) Financial skills
C) Sociological skills
D) Personality skills
Answer:
D) Personality skills

Question 217.
We should think about controlling not only high population but also
A) to create healthy society
B) to create contraceptive methods
C) to create high-tech culture
D) to enhance low female rate
Answer:
A) to create healthy society

AP 10th Class Biology Bits Chapter 6 Reproduction

Question 218.
Declination in female sex ratio is due to
A) Inclination in males
B) Sterility in males
C) Female foeticides
D) Male foeticides
Answer:
C) Female foeticides