{"id":16260,"date":"2021-08-07T11:38:29","date_gmt":"2021-08-07T06:08:29","guid":{"rendered":"https:\/\/apboardsolutions.guru\/?p=16260"},"modified":"2021-09-15T20:37:57","modified_gmt":"2021-09-15T15:07:57","slug":"ap-10th-class-biology-bits-chapter-4","status":"publish","type":"post","link":"https:\/\/apboardsolutions.guru\/ap-10th-class-biology-bits-chapter-4\/","title":{"rendered":"AP 10th Class Biology Bits Chapter 4 Excretion with Answers"},"content":{"rendered":"

Practice the AP 10th Class Biology Bits with Answers<\/a> Chapter 4 Excretion on a regular basis so that you can attempt exams with utmost confidence.<\/p>\n

AP State Syllabus 10th Class Biology Bits 4th Lesson Excretion with Answers<\/h2>\n

Concept – I : Introduction-Excretion in Human Beings<\/span><\/p>\n

Question 1.
\nMetabolic activities are
\nA) Only Anabolic activity
\nB) Only Catabolic activity
\nC) Both Anabolic & Catabolic activities
\nD) Partially Anabolic activity
\nAnswer:
\nC) Both Anabolic & Catabolic activities<\/p>\n

Question 2.
\nThe word Excretion belongs to ……………….. language.
\nA) Greek
\nB) English
\nC) Chinese
\nD) Latin
\nAnswer:
\nD) Latin<\/p>\n

\"AP<\/p>\n

Question 3.
\nWe have to wash the hands with ……………. after the dissection of kidney.
\nA) Dettol soap
\nB) fresh water
\nC) anti bacterial lotion
\nD) petrol
\nAnswer:
\nC) anti bacterial lotion<\/p>\n

Question 4.
\n\"AP
\nBased on the above table the normal range of creatinine in the urine
\nA) <100 mg
\nB) 102 mg
\nC) 1 – 2 mg
\nD) 200 mg
\nAnswer:
\nC) 1 – 2 mg<\/p>\n

Question 5.
\n\"AP
\nThe volume of potassium at normal level in urine
\nA) 125 m.mol \/L
\nB) 25 – 100 m.mol \/L
\nC) 100 – 125 m.mol \/L
\nD) 250 – 120 m.mol \/L
\nAnswer:
\nB) 25 – 100 m.mol \/L<\/p>\n

Question 6.
\nRead the contents of the urine as per the information given in table
\n\"AP
\nThe normal range of iurea present in the urine per day
\nA) 20 – 30 gm
\nB) 20 – 30 mg
\nC) 50 – 80 gm
\nD) 20 – 30 mmol\/L
\nAnswer:
\nA) 20 – 30 gm<\/p>\n

Question 7.
\nHow can you identify the waste materials in blood ?
\nA) Through scanning
\nB) Through urine test
\nC) Using thermometer
\nD) Through blood test
\nAnswer:
\nB) Through urine test<\/p>\n

Question 8.
\nFind the odd one different from the other three.
\nA) Carbohydrates
\nB) Fats
\nC) Proteins
\nD) Pyrethroids
\nAnswer:
\nD) Pyrethroids<\/p>\n

Question 9.
\nFind the incorrect function of the urinary system:
\nA) Removal of waste products from the blood stream.
\nB) Storage and excretion of urine
\nC) Regulation of leucocyte and platelet production
\nD) Regulation of blood volume and indirectly blood pressure
\nAnswer:
\nC) Regulation of leucocyte and platelet production<\/p>\n

\"AP<\/p>\n

Concept – 2 : Kidneys<\/span><\/p>\n

Question 10.
\nWhich of the following is correct path taken by urine in our body ?
\nA) Kidney, urethra ,ureters, bladder
\nB) Kidney, ureters,bladder, urethra
\nC) Kidney, bladder,ureters, urethra
\nD) Kidney, urethra ,bladder, ureters
\nAnswer:
\nB) Kidney, ureters,bladder, urethra<\/p>\n

Question 11.
\nPart of the nephron that exists in outer zone of kidney
\nA) Loop of the Henle
\nB) PCT
\nC) DCT
\nD) Bowman’s capsule
\nAnswer:
\nD) Bowman’s capsule<\/p>\n

Question 12.
\nIn a typical adult kidney, the renal ………………….. is subdivided intp 8 to 15 distinct conical or triangular structures known as renal ……………………….
\nA) cortex; papillae
\nB) medulla; pyramids
\nC) medulla; columns
\nD) cortex; pyramids
\nAnswer:
\nB) medulla; pyramids<\/p>\n

Question 13.
\nArrange the following to trace the path of filtrate through a renal tubule :
\n1) proximal convoluted tubule
\n2) distal convoluted tubule
\n3) ascending limb of nephron loop
\n4) descending limb of nephron loop
\nA) 1, 2, 3, 4
\nB) 2, 3, 4, 1
\nC) 1, 4, 3, 2
\nD) 3, 2, 1, 4
\nAnswer:
\nC) 1, 4, 3, 2<\/p>\n

Question 14.
\nThe cup shaped broader end of nephron is called:
\nA) Glomerulus
\nB) Cortex
\nC) Medulla
\nD) Bowman’s capsule
\nAnswer:
\nB) Cortex<\/p>\n

Question 15.
\n‘U’ shaped part of the Renal tubule is called:
\nA) Loop of Henle
\nB) Proximal convoluted tubule
\nC) Distal convoluted tubule
\nD) Glomerulus
\nAnswer:
\nC) Distal convoluted tubule<\/p>\n

Question 16.
\nChoose the correct sentence that concerns with kidneys –
\nA) One pair of kidneys, one pair of ureters, urinary bladder
\nB) One pair of urinary bladder, one pair of ureters, kidney
\nC) One pair of kidneys, one pair of urinary bladder, ureter
\nD) One pair of ureters,one pair ofkidneys, ureter
\nAnswer:
\nA) One pair of kidneys, one pair of ureters, urinary bladder<\/p>\n

\"AP<\/p>\n

Question 17.
\nThe part in which kidneys are located is ……………………
\nA) Ventral cavity
\nB) Abdominal cavity
\nC) Lateral part of the body
\nD) Chest portion
\nAnswer:
\nB) Abdominal cavity<\/p>\n

Question 18.
\nThe inner side of a kidney has ………………….
\nA) Pyramid
\nB) Bowman’s capsule
\nC) Hilus
\nD) Himunus
\nAnswer:
\nC) Hilus<\/p>\n

Question 19.
\nThe blood vessel which enters through hilus is …………………….
\nA) Renal artery
\nB) Renal vein
\nC) Adrenal vein
\nD) Adrenal artery
\nAnswer:
\nA) Renal artery<\/p>\n

Question 20.
\nThe blood vessel which comes out from hilus is …………………
\nA) Renal artery
\nB) Afferent arteriole
\nC) Efferent arteriole
\nD) Renal vein
\nAnswer:
\nD) Renal vein<\/p>\n

Question 21.
\nThe dark coloured outer zone is called
\nA) Medulla
\nB) Nephron
\nC) Auricle
\nD) Cortex
\nAnswer:
\nD) Cortex<\/p>\n

Question 22.
\nThe colour of medulla present in kidney is …………………….
\nA) Brown
\nB) Dark brown
\nC) Red
\nD) Pale colour
\nAnswer:
\nD) Pale colour<\/p>\n

Question 23.
\nWay of passage of urine in human body
\nA) Kidneys
\nB) Ureters
\nC) Urethra
\nD) Urinary bladder
\nAnswer:
\nC) Urethra<\/p>\n

\"AP<\/p>\n

Question 24.
\na – Right kidney is slightly lower in position
\nb – Right abdominal region of body is occupied by liver \u2018
\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 25.
\nThe oxygenated bipod enters into kidneys through …………………… (i) and ……………….. (ii) collects the deoxygenated blood.
\nA) (i) – Renal vein (ii) – Renal artery
\nB) (i) – Renal artery (ii) – Renal vein
\nC) (i) – Hilus (ii) – Renal vein
\nD) (i) – Renal artery (ii) – Hilus
\nAnswer:
\nB) (i) – Renal artery (ii) – Renal vein<\/p>\n

Question 26.
\nThe position of the right kidney is lower than the left kidney due to the :
\nA) Presence of adrenal gland above it
\nB) Presence of pancreas above it
\nC) Presence of spinal bone above it
\nD) Presence of liver above it
\nAnswer:
\nD) Presence of liver above it<\/p>\n

Question 27.
\nConsider the following.
\na) Urethra is 4 cm long in females
\nb) Urethra is 20 cm in.male
\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 28.
\nIdentify correct sentence given below:
\nA) Right kidney – slightly lower than left kidney
\nB) Right kidney – slightly higher than left kidney
\nC) Right kidney – left kidney are same height
\nD) Right kidney is nearer to vertebral column than left kidney.
\nAnswer:
\nA) Right kidney – slightly lower than left kidney<\/p>\n

Question 29.
\nThe order of excretory organs:
\n\"AP
\nA) i – Blood vessel, ii – Kidney, iii – Ureter, iv – Urinary bladder
\nB) i – Kidney, ii – Blood vessel, iii – Urinary bladder, iv – Ureter
\nC) i – Blood vessel, ii – Kidney, iii – Urinary bladder, iv – Ureter
\nD) i – Urinary bladder, ii – Ureter, iii – Kidney, iv – Blood vessel
\nAnswer:
\nA) i – Blood vessel, ii – Kidney, iii – Ureter, iv – Urinary bladder<\/p>\n

Question 30.
\nRamesh has forgot some parts in the following picture. Label a and b. \u2019
\n\"AP
\nA) a – pituitary gland, b. – ureter
\nB) a – adrenal gland, b – ureter
\nC) a – ureter, b – urethra
\nD) a – kidney, b – ureter
\nAnswer:
\nB) a – adrenal gland, b – ureter<\/p>\n

\"AP<\/p>\n

Question 31.
\nMost nephrons have short loops and are located almost entirely in the………………….
\nA) renal cortex
\nB) ureters
\nC) renal medulla
\nD) renal pelvis
\nAnswer:
\nA) renal cortex<\/p>\n

Question 32.
\nDiabetes insipidus is due to the deficiency of this hormone.
\nA) Insulin
\nB) Adrenaline
\nC) Vasopressin
\nD) Parathormone
\nAnswer:
\nC) Vasopressin<\/p>\n

Question 33.
\nWhat is the function of part labelled with ‘3’?
\n\"AP
\nA) Ultrafiltration
\nB) Collection of urine
\nC) Collection of blood
\nD) Storage of urine
\nAnswer:
\nB) Collection of urine<\/p>\n

Question 34.
\nChoose the correct pathway of urine
\nA) Kidneys \u2192 ureters\u2192 urinary bladder \u2192 urethra
\nB) Ureters \u2192 urinary bladder \u2192 urethra \u2192 kidneys
\nC) Urinary bladder \u2192 urethra \u2192 kidneys \u2192 ureters
\nD) Urethra \u2192 kidneys \u2192 ureters \u2192 urinary bladder
\nAnswer:
\nA) Kidneys \u2192 ureters\u2192 urinary bladder \u2192 urethra<\/p>\n

Question 35.
\nNetwork structure of blood capillaries in nephron forms ………………….
\nA) Hilus
\nB) Glomerulus
\nC) Malpighian body
\nD) Renal tubule
\nAnswer:
\nB) Glomerulus<\/p>\n

Concept – 3 : Mechanism of Urine Formation<\/span><\/p>\n

Question 36.
\nThe structural and functional unit of kidney is called
\nA) Neuron
\nB) Nephron
\nc) Nephridia
\nD) Flame cell
\nAnswer:
\nB) Nephron<\/p>\n

Question 37.
\nUrine can be retained in bladder till it get filled up to the maximum capacity of
\nA) 700 – 800 ml
\nB) 300 – 400 ml
\nC) 600 – 650 ml
\nD) 800 – 1000 ml
\nAnswer:
\nA) 700 – 800 ml<\/p>\n

\"AP<\/p>\n

Question 38.
\nWhich of the following hormone has direct impact on urine formation?
\nA) Adrenalin
\nB) Vasopressin
\nC) Creatinine
\nD) Oestrogen
\nAnswer:
\nB) Vasopressin<\/p>\n

Question 39.
\nAmber (Yellow) colour to the urine is due to
\nA) urochrome
\nB) bilirubin
\nc) biliverdin
\nD) chlorides
\nAnswer:
\nA) urochrome<\/p>\n

Question 40.
\nUrine formation mechanism has the following 4 steps. Arrange them systematically.
\ni) Tubular reabsorption
\nii) Glomerular filtration
\niii) Concentration of urine
\niv) Tubular secretion
\nA) (i), (ii), (iii), (iv)
\nB) (iv), (iii), (ii), (i)
\nC) (iii), (ii), (i), (iv)
\nD) (ii), (i), (iv), (iii)
\nAnswer:
\nD) (ii), (i), (iv), (iii)<\/p>\n

Question 41.
\nThe part where the maintenance of pH<\/sup> occurs ……………………
\nA) Renal tubule
\nB) Distal convoluted tubule
\nC) Collecting tube
\nD) Pelvis.
\nAnswer:
\nB) Distal convoluted tubule<\/p>\n

Question 42.
\nThe concentration of urine is ……………….. than that of blood concentration
\nA) equal
\nB) more
\nC) less
\nD) more or less
\nAnswer:
\nB) more<\/p>\n

Question 43.
\nExcessive, repeated, dilute urination is called …………………
\nA) Diabetes
\nB) Diabetes insipidus
\nC) Diabetes mellitus
\nD) Hepatitis
\nAnswer:
\nB) Diabetes insipidus<\/p>\n

Question 44.
\nThe first kidney transplantation was performed by
\nA) Henle
\nB) Hufnagel
\nC) Brugamen
\nD) Parwin
\nAnswer:
\nB) Hufnagel<\/p>\n

\"AP<\/p>\n

Question 45.
\nDue to the concentration of urine in urinary bladder urination occurs. This is called
\nA) Micturition
\nB) Faecal excretion
\nC) Diabetes
\nD) Circulation
\nAnswer:
\nA) Micturition<\/p>\n

Question 46.
\nOne of the following is a correct composition of urine
\n\"AP
\nAnswer:
\nC) 96% 2.5% 1.5%<\/p>\n

Question 47.
\nThe failure of kidney is called
\nA) ESRD
\nB) MSRD
\nC) ASRD
\nD) KSRD
\nAnswer:
\nA) ESRD<\/p>\n

Question 48.
\nPlace of filtration of blood in nephron
\nA) Bowman’s capsule
\nB) Henle’s loop
\nC) Proximal convoluted tubule
\nD) Distal convoluted tubule
\nAnswer:
\nA) Bowman’s capsule<\/p>\n

Question 49.
\na) The urine gets concentrated by reabsorption of water
\nb) Vasopressin is secreted only when concentrated urine is to be passed out
\nA) Both a and b are true
\nB) a is false b is true
\nC) a is true b is false
\nD) Both a and b are false
\nAnswer:
\nA) Both a and b are true<\/p>\n

Question 50.
\nExpanded form of ESRD is
\nA) Erythrocyte Sedimentation Rate of Deficiency
\nB) End Stage Renal Disease
\nC) Emergency Service and Rural Development
\nD) Endocrine Supplement Renal Disease.
\nAnswer:
\nB) End Stage Renal Disease<\/p>\n

Question 51.
\nThe maintenance of equilibrium of concentration of liquids is
\nA) Homosapien
\nB) Stability
\nC) Homeostasis
\nD) Control
\nAnswer:
\nC) Homeostasis<\/p>\n

\"AP<\/p>\n

Question 52.
\nMillions of microscopic thin tubular units in each kidney are …………………
\nA) Neurons
\nB) Plasma lemma
\nC) Medulla
\nD) Nephrons
\nAnswer:
\nD) Nephrons<\/p>\n

Question 53.
\nThe cup like structure in Nephron is ………………..
\nA) Glomerulus
\nB) Bowman’s capsule
\nC) Malpighian body
\nD) Loop of Henle
\nAnswer:
\nB) Bowman’s capsule<\/p>\n

Question 54.
\nWhich of the following is correct regarding the filtration of wastes in blood vessels diameter?
\nA) Diameter of efferent arteriole is less than that of afferent arteriole.
\nB) Diameter of efferent arteriole is more than that of afferent arteriole.
\nC) Blood vessels have the pores and conduct the filtration.
\nD) Blood vessels excrete the wastes by contraction.
\nAnswer:
\nA) Diameter of efferent arteriole is less than that of afferent arteriole.<\/p>\n

Question 55.
\nThe squamous epithelial cells in Bowman’s capsule are ………………………
\nA) Thrombocytes
\nB) Podocytes
\nC) Erythrocytes
\nD) Nephrons
\nAnswer:
\nB) Podocytes<\/p>\n

Question 56.
\nDistal convoluted tubule opens into ………………….
\nA) Proximal convoluted tubule
\nB) Loop of Henle
\nC) Collecting tube
\nD) Afferent arteriole
\nAnswer:
\nC) Collecting tube<\/p>\n

Question 57.
\nIn nephron, on which of the following the reabsorption of water depends ?
\nA) quantity of water
\nB) materials which have to be excreted
\nC) quantity of blood
\nD) A and B
\nAnswer:
\nD) A and B<\/p>\n

Question 58.
\nFill the flow chart of urine formation.
\n\"AP
\nA) Tubular secretion
\nC) Tubular excretion
\nB) Tubular filtration
\nD) Urine formation
\nAnswer:
\nA) Tubular secretion<\/p>\n

\"AP<\/p>\n

Question 59.
\nChoose the correct order from the following:
\nA) Renal tubule \u2192 Distal convoluted tubule \u2192 Collecting tube \u2192 Pelvis \u2192 Ureter
\nB) Ureter \u2192 Pelvis \u2192 Collecting tube \u2192 Renal tubule \u2192 Distal convoluted tubule
\nC) Distal convoluted tubule \u2192 Collecting tube \u2192 Pelvis \u2192 Ureter \u2192 Renal tubule
\nD) Pelvis \u2192 Ureter \u2192 Collecting tube \u2192 Renal tubule \u2192 Distal convoluted tubule
\nAnswer:
\nA) Renal tubule \u2192 Distal convoluted tubule \u2192 Collecting tube \u2192 Pelvis \u2192 Ureter<\/p>\n

Question 60.
\nThe most poisonous material among nitrogenous waste compounds of human body is …………………
\nA) ammonia
\nB) urea
\nG) uric acid
\nD) bile pigments
\nAnswer:
\nA) ammonia<\/p>\n

Question 61.
\nThe acidic urine becomes alkaline on standing due to the decomposition of urea to …………………..
\nA) Sodium
\nB) Deamines
\nC) Uric acid
\nD) Ammonia
\nAnswer:
\nD) Ammonia<\/p>\n

Question 62.
\na) Podocytes are formed of epithelial tissue
\nb) Podocytes possess pores to filter the substances
\nA) Both a& b are true
\nB) b is true, a is false
\nC) a is true, b is false
\nD) Both a & b are false
\nAnswer:
\nA) Both a& b are true<\/p>\n

Question 63.
\na) In the beginning urine is acidic later it converts into alkaline,
\nb) Ammonia is formed by breaking down of urea
\nA) Both a & b are true, b explains a
\nB) Both a & b are false, 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 64.
\nA woman is in uremia stage. Therefore ………………….
\ni) Legs and hands are swollen
\nii) Water and wastes are accumulated
\niii) Weakness and tiredness
\niv) No harm to kidneys
\nA) All are correct
\nB) Only (iv) is correct
\nC) Only (iv) is wrong
\nD) None of the above
\nAnswer:
\nC) Only (iv) is wrong<\/p>\n

Question 65.
\nObserve the a,b statements:
\na) The urine formed by glomerular filtration is primary urine.
\nb) It is equal to the blood in chemical composition.
\nA) Both ‘a’ and ‘b’ are true
\nB) a true, b false
\nC) a false, b true
\nD) a,b both are false
\nAnswer:
\nA) Both ‘a’ and ‘b’ are true<\/p>\n

\"AP<\/p>\n

Question 66.
\nESRD disease is related to this organ.
\nA) Lungs
\nB) Heart
\nC) Kidneys
\nD) Liver
\nAnswer:
\nC) Kidneys<\/p>\n

Question 67.
\nWhat will happen if sufficient amount of vasopressin is not secreted in the body?
\nA) Excretes concentrated urine
\nB) Excretes dilute urine
\nC) Excretes proteins along with urine
\nD) Excretes red coloured urine
\nAnswer:
\nB) Excretes dilute urine<\/p>\n

Question 68.
\nA person’s limbs are swollen and he is suffering from weakness and fatigue. This organ may be damaged in him.
\nA) Kidney
\nB) Brain
\nC) Heart
\nD) Liver
\nAnswer:
\nA) Kidney<\/p>\n

Question 69.
\nEvery day Vikki’s brother in a given time passes urine on bed. What is the reason?
\nA) Less production of Adrenalin
\nB) More production of Vasopressin
\nC) No production of Adrenalin
\nD) Vasopressin not at all released
\nAnswer:
\nD) Vasopressin not at all released<\/p>\n

Question 70.
\nWhich of the following is true concerning kidney transplants?
\nA) There is a shortage of people needing kidneys.
\nB) There is nearly a 100% success rate using artificial kidneys for transplant.
\nC) Removed of the donor kidney is very risky, often fatal.
\nD) There is a shortage of kidneys for transplant.
\nAnswer:
\nD) There is a shortage of kidneys for transplant.<\/p>\n

Question 71.
\nUrge for micturition occurs when urinary bladder is filled with …………….. milli litres of urine .
\nA) 300 – 800
\nB) 300 – 400
\nC) 700 – 800
\nD) 1600 -1800
\nAnswer:
\nB) 300 – 400<\/p>\n

Question 72.
\nThe substance which is not reabsorbed into the blood capillaries surrounding the tubule nephron is mainly :
\nA) glucose
\nB) amino acid
\nC) urea
\nD) water
\nAnswer:
\nC) urea<\/p>\n

\"AP<\/p>\n

Question 73.
\nThe below given part belongs to human excretory system .What is the process that occurs here ?
\n\"AP
\nA) Reabsorption of water
\nB) Excretion
\nC) Urine purification
\nD) Ultrafiltration
\nAnswer:
\nD) Ultrafiltration<\/p>\n

Question 74.
\nIf you keep an egg in the salt water , the egg will be contracted. The reason is
\nA) exo osmosis
\nB) endosmosis
\nC) Pressure
\nD) Diffusion
\nAnswer:
\nA) exo osmosis<\/p>\n

Question 75.
\nA ,B ,C, D are given below .Arrange the mechanism of urine formation in the correct order .
\n1) Glomerular filtration
\n2) Tubular reabsorption
\n3) Tubular secretion
\n4) Concentration of urine
\nA) A \u2192B \u2192 C \u2192 D
\nB) B \u2192 A \u2192 C \u2192 D
\nC) A \u2192 C \u2192 B \u2192 D
\nD) A \u2192 B \u2192 D \u2192 C
\nAnswer:
\nC) A \u2192 C \u2192 B \u2192 D<\/p>\n

Question 76.
\nMajor component present in urine in human beings is ………………………
\nA) urea
\nB) creatinine
\nC) sodium
\nD) water
\nAnswer:
\nD) water<\/p>\n

Question 77.
\nThis hormone is secreted when urine is with high concentration.
\nA) Insulin
\nB) Vasopressin
\nC) Thyroxin
\nD) Adrenaline
\nAnswer:
\nB) Vasopressin<\/p>\n

Question 78.
\nBlood filtration unit in Nephron is…………………….
\nA) Loop of Henle
\nB) First convoluted tubule
\nC) Bowman’s capsule
\nD) Second convoluted tubule
\nAnswer:
\nC) Bowman’s capsule<\/p>\n

Concept – 4 : Dialysis<\/span><\/p>\n

Question 79.
\nIn dialysis, anticoagulant used to blood, taken from main artery in order to prevent the clotting of blood is …………………..
\nA) Heparin
\nB) Anti coagulase
\nC) Thrombin
\nD) Prothrombin
\nAnswer:
\nA) Heparin<\/p>\n

\"AP<\/p>\n

Question 80.
\nWhat liquid material does doctor use in dialysis ?
\nA) Plasma
\nB) Dialysing fluid
\nC) Janus green
\nD) Paraffin liquid
\nAnswer:
\nB) Dialysing fluid<\/p>\n

Question 81.
\nIn Visakhapatnam, the gang of kidney thieves were arrested. They have performed so many kidney transplan-tation operations. How kidney transplantation is performed ?
\ni) Kidney should be taken from close relative only.
\nii) There is modern clinical procedures through which any kind of kidney can be transplanted.
\niii) The damaged kidney of the patient only be cured.
\niv) Arrange the machine in the place of damaged kidney.
\nFind the incorrect ones from above.
\nA) (i) only
\nB) (i) and (ii) only
\nC) (i), (ii) and (iii) only
\nD) (iv) only
\nAnswer:
\nD) (iv) only<\/p>\n

Question 82.
\nIf a patient is put on dialysis, he is most likely to be suffering from a severe ailment of the :
\nA) circulatory system
\nB) respiratory system
\nC) excretory system
\nD) digestive system
\nAnswer:
\nC) excretory system<\/p>\n

Question 83.
\nEach dialysis session lasts for …………………
\nA) 2 – 3 hours
\nB) 3 – 4 hours
\nC) 3 – 6 hours
\nD) 5 hours
\nAnswer:
\nC) 3 – 6 hours<\/p>\n

Concept – 5 : Other Pathways of Excretion<\/span><\/p>\n

Question 84.
\nWhich of the following is not an
\nexcretory organ ?
\nA) Lungs
\nB) Kidney
\nC) Liver
\nD) Pancreas
\nAnswer:
\nD) Pancreas<\/p>\n

Question 85.
\nWhich of the following pigment is not formed in the liver ?
\nA) Bilirubin
\nB) Biliverdin
\nC) Urochrome
\nD) Haemoglobin
\nAnswer:
\nD) Haemoglobin<\/p>\n

Question 86.
\nThe element which is not reabsorbed in the large intestine
\nA) Calcium
\nB) Magnesium
\nC) Silicon
\nD) Iron
\nAnswer:
\nC) Silicon<\/p>\n

Question 87.
\nWhat is not really concerned with excretion given below ?
\nA) To send CO2<\/sub> out
\nB) Defecation
\nC) Sweat
\nD) to remove urea
\nAnswer:
\nA) To send CO2<\/sub> out<\/p>\n

\"AP<\/p>\n

Question 88.
\nWhom do you consult to know about composition of urine ?
\nA) Department of bio-chemistry
\nB) Department of physiology
\nC) Members of bio-technology
\nD) Department of pathology
\nAnswer:
\nA) Department of bio-chemistry<\/p>\n

Question 89.
\nThe excretory material other than urine eliminated from the body
\nA) Tears
\nB) Blood
\nC) Sweat
\nD) Hormones
\nAnswer:
\nC) Sweat<\/p>\n

Question 90.
\nIn haemodialysis process, blood is taken out from the body through :
\nA) Venacava
\nB) Artery
\nC) Vein
\nD) Both B and C
\nAnswer:
\nB) Artery<\/p>\n

Question 91.
\nMatch the following:<\/p>\n\n\n\n\n\n
i. Skin<\/td>\na. Bile pigments<\/td>\n<\/tr>\n
ii. Liver<\/td>\nb. Sebum<\/td>\n<\/tr>\n
iii. Colon<\/td>\nc. Salts of calcium, magnesium<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

A) c, a, b
\nB) a, b, c
\nC) b, a, c
\nD) b, c, a
\nAnswer:
\nA) c, a, b<\/p>\n

Concept – 6 : Excretion in Other Organisms<\/span><\/p>\n

Question 92.
\nThe excretory organ in cockroach
\nA) malpighian tubules
\nB) raphids
\nC) ureters
\nD) nephridia
\nAnswer:
\nA) malpighian tubules<\/p>\n

Question 93.
\nFlame cells are excretory organs in
\nA) earth worm
\nB) house fly
\nC) fishes
\nD) platyhelminthes
\nAnswer:
\nD) platyhelminthes<\/p>\n

Question 94.
\nSpecial excretory organs are absent in
\nA) birds
\nB) amoeba
\nC) sponges
\nD) A and B
\nAnswer:
\nB) amoeba<\/p>\n

\"AP<\/p>\n

Question 95.
\nChoose the correct pair:
\nA) Protozoa – Flame cells
\nB) Annelida – Kidneys
\nC) Echinodermata – Nephridia
\nD) Arthropoda – Green glands
\nAnswer:
\nD) Arthropoda – Green glands<\/p>\n

Question 96.
\nMatch the following,<\/p>\n\n\n\n\n\n\n
List – A<\/span><\/td>\nList – B<\/span><\/td>\n<\/tr>\n
1. Flame cells<\/td>\na) Nematoda<\/td>\n<\/tr>\n
2. Water vascular<\/td>\nb) Arthropoda system<\/td>\n<\/tr>\n
3. Green glands<\/td>\nc) Starfish<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

Question 97.
\nAccording to the studies of evolution the excretory structures were first seen in one of the following.
\nA) Protozoa
\nB) Platyhelminthes
\nC) Nemetyhelminthes
\nD) Both B & C
\nAnswer:
\nB) Platyhelminthes<\/p>\n

Question 98.
\nSpecific excretory organs are absent in unicellular organisms belong to the phylum:
\nA) Porifera
\nB) Annelida
\nC) Protozoa
\nD) Echinodermata
\nAnswer:
\nC) Protozoa<\/p>\n

Question 99.
\n“No specific excretory organs are present in unicellular organisms”. Hence, the main excretion takes place by:
\nA) simple diffusion through body surface
\nB) through contractile vacuoles
\nC) osmosis through body surface
\nD) all the above
\nAnswer:
\nD) all the above<\/p>\n

Question 100.
\nWhich of the following is not a nitrogenous waste ?
\nA) Ammonia
\nB) Uric acid
\nC) Urea
\nD) CO2<\/sup>
\nAnswer:
\nD) CO2<\/sup><\/p>\n

Question 101.
\nContractile vacuoles are the excretory organs in
\nA) Amoeba
\nB) Hydra
\nC) Paramoecium
\nD) A & C
\nAnswer:
\nD) A & C<\/p>\n

\"AP<\/p>\n

Question 102.
\nThe mode of excretion through contractile vacuoles
\nA) Diffusion
\nB) Filtration
\nC) Osmoregulation
\nD) Crystallisation
\nAnswer:
\nC) Osmoregulation<\/p>\n

Question 103.
\nExcretory organs in mollusca
\nA) Green glands
\nB) Malpighian tubules
\nC) Metanephridia
\nD) Kidneys
\nAnswer:
\nC) Metanephridia<\/p>\n

Question 104.
\nIncorrect pair in the following.
\nA) Platyhelminthes – Flame cells
\nB) Arthropoda – Malpighian tubules
\nC) Mollusca – Metanephridia
\nD) Protozoan – Water vascular system
\nAnswer:
\nD) Protozoan – Water vascular system<\/p>\n

Question 105.
\nIdentify the animal in which excretory orgah is absent.
\nA) Bird
\nB) Amoeba
\nC) Sponge
\nD) B and C
\nAnswer:
\nD) B and C<\/p>\n

Question 106.
\nRenette cells are excretory structures in
\nA) Mollusca
\nB) Protozoa
\nC) Nematoda
\nD) Echinodermata
\nAnswer:
\nC) Nematoda<\/p>\n

Question 107.
\nIn reptiles this organ is involved in excretory system.
\nA) Flame cells
\nB) Kidneys
\nC) Green glands
\nD) Malpighian tubules
\nAnswer:
\nB) Kidneys<\/p>\n

Question 108.
\nMalpighian tubules are excretory organs in ………………..
\nA) Earth worm
\nB) Flatworm
\nC) Housefly
\nD) Hen
\nAnswer:
\nC) Housefly<\/p>\n

\"AP<\/p>\n

Concept – 7 : Excretion and Release of Substances in Plants<\/span><\/p>\n

Question 109.
\nWhy plants shed their leaves ?
\nA) To bloom
\nB) Unable to cope up with heat
\nC) Get rid off the wastes
\nD) To grow and develop
\nAnswer:
\nC) Get rid off the wastes<\/p>\n

Question 110.
\nRaphides are present in ………………. of plant.
\nA) bark
\nB) leaf
\nC) root
\nD) fruits
\nAnswer:
\nD) fruits<\/p>\n

Question 111.
\nThe method through which excessive water is released out along with transpiration is ……………………
\nA) Photosynthesis
\nB) Guttation
\nC) Formation of bark
\nD) Respiration
\nAnswer:
\nB) Guttation<\/p>\n

Question 112.
\nThe alkaloid which stimulates the nervous system is
\nA) Nimbin
\nB) Caffeine
\nC) Pyrethroid
\nD) Quinine
\nAnswer:
\nB) Caffeine<\/p>\n

Question 113.
\nWhich of the following is catabolic activity ?
\nA) Photosynthesis
\nB) Respiration
\nC) Excretion
\nD) Metabolic activities
\nAnswer:
\nB) Respiration<\/p>\n

Question 114.
\nDatura has ………………
\nA) Nimbin
\nB) Pyrethroids
\nC) Scopalamine
\nD) Quinine
\nAnswer:
\nC) Scopalamine<\/p>\n

Question 115.
\nThe alkaloids that save from snakebite.
\nA) Nimbin
\nB) Cinchona
\nC) Reserpine
\nD) Caffeine
\nAnswer:
\nC) Reserpine<\/p>\n

\"AP<\/p>\n

Question 116.
\nThe bark of ……………… is used to cure malaria.
\nA) Tobacco
\nB) Cinchona
\nC) Neem
\nD) Datura
\nAnswer:
\nB) Cinchona<\/p>\n

Question 117.
\nThe speciality of gymnosperms is …………………
\nA) Tannins
\nB) Resins
\nC) Gums
\nD) Alkaloids
\nAnswer:
\nB) Resins<\/p>\n

Question 118.
\nThe white milky fluid secreted from the plants
\nA) Latex
\nB) Tannins
\nC) Gums
\nD) Resins
\nAnswer:
\nA) Latex<\/p>\n

Question 119.
\n……………….. is extracted from Hevea braziliensis
\nA) Latex
\nB) Rubber
\nC) Alkaloid
\nD) Gums
\nAnswer:
\nB) Rubber<\/p>\n

Question 120.
\nBio-diesel is extracted from …….. (or) I am a plant. My seeds are used for production of bio-fuel. Who am I ?
\nA) Neem
\nB) Jatropa
\nC) Hevea
\nD) Papaver
\nAnswer:
\nB) Jatropa<\/p>\n

Question 121.
\nWhich of the following is a sedative drug?
\nA) Morphine
\nB) Cocaine
\nC) Scopolamine
\nD) Caffeine
\nAnswer:
\nC) Scopolamine<\/p>\n

Question 122.
\nCassia and Acacia will be used in ………………
\nA) Varnishes
\nB) Tanning of leathers
\nC) Manufacture of Rubber
\nD) Manufacture of bio-diesel
\nAnswer:
\nB) Tanning of leathers<\/p>\n

\"AP<\/p>\n

Question 123.
\nThe scientist who stated that roots also secrete.
\nA) Bunsen
\nB) Brugaman
\nC) Haberland
\nD) J.C. Bose
\nAnswer:
\nB) Brugaman<\/p>\n

Question 124.
\nThe pollen grains of the following plant causes asthma in man:
\nA) Parathenium
\nB) Neem
\nC) Heavea
\nD) Jatropa
\nAnswer:
\nA) Parathenium<\/p>\n

Question 125.
\nExcretory structures appeared for the first time in flatworms belong to the phylum:
\nA) Annelida
\nB) Arthropoda
\nC) Nematoda
\nD) Platyhelminthes
\nAnswer:
\nD) Platyhelminthes<\/p>\n

Question 126.
\nThe deep brown coloured carbon compounds used in tanning of leather are:
\nA) Resins
\nB) Gums
\nC) Tannins
\nD) Latex
\nAnswer:
\nC) Tannins<\/p>\n

Question 127.
\nThe alkaloid which is used for malaria treatment.
\nA) Nimbin
\nB) Caffeine
\nC) Quinine
\nD) Nicotine
\nAnswer:
\nC) Quinine<\/p>\n

Question 128.
\nAlkaloid used in snake bite.
\nA) Nimbin
\nB) Scopolamine
\nC) Reserpine
\nD) Quinine
\nAnswer:
\nC) Reserpine<\/p>\n

\"AP<\/p>\n

Question 129.
\nAlkaloid used in the treatment of malaria is the product of this plant.
\nA) Nicotiana tobaccum
\nB) Azadirachta indica
\nC) Cinchona officinalis
\nD) Rauwolfia serpentina
\nAnswer:
\nC) Cinchona officinalis<\/p>\n

Question 130.
\nWeeds and some wild plants are not eaten by insects, pests and animals because
\nA) Their leaves are very small
\nB) These are not attractive
\nC) The plants may contain toxic chemicals and unpleasant to taste
\nD) All the above
\nAnswer:
\nC) The plants may contain toxic chemicals and unpleasant to taste<\/p>\n

Question 131.
\nThe resin obtained from Pinus is used in
\nA) Varnish
\nB) Bread
\nC) Rubber
\nD) Medicines
\nAnswer:
\nA) Varnish<\/p>\n

Concept – 8 : Excretion Vs Secretion<\/span><\/p>\n

Question 132.
\nTears are ………………
\nA) Involuntary fluid
\nB) Secretion
\nC) Excretion
\nD) Water
\nAnswer:
\nC) Excretion<\/p>\n

Question 133.
\nHormone is a ……………….
\nA) Reagent
\nB) Secretion
\nC) Excretion
\nD) Chemical substance
\nAnswer:
\nB) Secretion<\/p>\n

Question 134.
\nThe alkaloid which have Ayurvedic values is ……………….
\nA) Nimbin
\nB) Cocaine
\nC) Pyrethroids
\nD) Caffeine
\nAnswer:
\nA) Nimbin<\/p>\n

Question 135.
\nTilak said, we can tan the leather with resins. What do you say ?
\nA) Yes, we can
\nB) No, we can’t
\nC) We can do it with little change
\nD) Unable to say
\nAnswer:
\nB) No, we can’t<\/p>\n

\"AP<\/p>\n

Question 136.
\nFind the odd one out.
\nA) Carbohydrate
\nB) Protein
\nC) Nimbin
\nD) Fat
\nAnswer:
\nC) Nimbin<\/p>\n

Question 137.
\nConsider the following
\na) Tannins, Latex, Gums are primary metabolites
\nb) Proteins and Carbohydrates are secondary metabolites
\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:
\nD) Both a & b are false<\/p>\n

Question 138.
\nEating leaves of neem gives bitter taste. Reason
\nA) Nicotin
\nB) Cinchona
\nC) Pyrethroid
\nD) Nimbin
\nAnswer:
\nD) Nimbin<\/p>\n

Question 139.
\nComposition of urine has chemicals ………………..
\nA) Urea
\nB) Bilirubin
\nC) Water
\nD) All
\nAnswer:
\nD) All<\/p>\n

Question 140.
\n\"AP
\nWhat is the secondary metabolite produced from the plant given in the picture ?
\nA) Tannin
\nB) Gum
\nC) Alkaloid
\nD) Resin
\nAnswer:
\nD) Resin<\/p>\n

\"AP<\/p>\n

Question 141.
\na) Synthesis of waste products in plants – is very slow.
\nb) Plants do not have specific excretory organs
\nA) Both a & b are true
\nB) a is true, b is false
\nC) B is true, a false
\nD) both a & b are false
\nAnswer:
\nA) Both a & b are true<\/p>\n

Question 142.
\na) It is not good for health while sleeping under the tree during night
\nb) There is a chance of falling of branches
\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:
\nC) a is true, b is false<\/p>\n","protected":false},"excerpt":{"rendered":"

Practice the AP 10th Class Biology Bits with Answers Chapter 4 Excretion on a regular basis so that you can attempt exams with utmost confidence. AP State Syllabus 10th Class Biology Bits 4th Lesson Excretion with Answers Concept – I : Introduction-Excretion in Human Beings Question 1. Metabolic activities are A) Only Anabolic activity B) …<\/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\/16260"}],"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=16260"}],"version-history":[{"count":0,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/16260\/revisions"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/media?parent=16260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/categories?post=16260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/tags?post=16260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}