Excretion MCQs | Excretion Multiple Choice Questions and Answers

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Questions
1 Uricotelism is found in ____________
A Birds reptiles and insects
B Frogs and toads
C Mammals and birds
D Fishes and fresh water protozoans

Answer: Mammals and birds
2 A terrestrial animal must be able to ________
A Excrete large amount of water
B Actively pump salts through skin
C Excrete large amount of salts in urine
D Conserve water

Answer: Conserve water
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3 Which of the following nephridia are not found in earthworm?
A Septal nephridia
B Macronephric nephridia
C Pharyngeal nephridia
D Integumentary nephridia

Answer: Macronephric nephridia
4 Which of the following is the only vertebrate osmoconformer?
A Bird
B Hag fish
C Rabbit
D None of the above

Answer: Hag fish
5 Sea gulls excrete salts from ___________
A Nasal chamber
B Liver
C Lungs
D Kidneys

Answer: Nasal chamber
6 Simultaneous movement of two molecules across a membrane in same direction is known as _______
A Antiport
B Symport
C Uniport
D Biport

Answer: Symport
7 The weight of each kidney in grams is about
A 90 -130
B 100 – 140
C 110 – 150
D 120 – 170

Answer: 120 – 170
8 The function of kidney is regulated by the hor¬mone
A Aldosterone
B Parathormone
C Vasopressin
D All of the above

Answer: All of the above
9 The colour of urine is dark brown due to
A Methemoglobin
B Homogentisic acid
C Both of above
D None of the above

Answer: Both of above
10 Strongly acid urine is pink due to the precipita¬tion of
A Chloride salts
B Ammonium salts
C Uric acid salts
D None of the above

Answer: Uric acid salts
11 Creatine excretion is also found in
A Starvation
B Hyperthyroidism
C Infections
D All of the above

Answer: All of the above
12 The number of mg of amino acid nitrogen ex¬creted in the urine of adults daily is about
A 125- 180
B 150 – 200
C 160 – 240
D 180 – 280

Answer: 150 – 200
13 The amino acids excreted in urine in cystinuria
A Arginine
B Cystine
C Lysine
D All of the above

Answer: All of the above
14 Phosphate excretion is increased in
A Osteomalacia
B Wasting diseases of the nerv¬ous system
C Renal tubular rickets
D All of the above

Answer: All of the above
15 Sodium and potassium excretion are controlled by the activity of
A Adrenal medulla
B Adrenal cortex
C Thy¬roid
D None of the above

Answer: Adrenal cortex
16 The number of mg of protein present in normal urine cannot be detected by the ordinary simple tests
A 30 – 200
B 50 – 250
C 80 – 380
D 100 -400

Answer: 30 – 200
17 The excretion of oxalate is increased by inges¬tion of
A Fruits
B Vegetables
C Both of the above
D None of the above

Answer: Both of the above
18 Decrease in phosphate excretion is observed in
A Hypoparathyroidism
B Infectious diseases
C Both of the above
D None of the above

Answer: Both of the above
19 The greater part of the excreted phosphates is derived from ingested food.
A Nucleoprotein
B Phosphoprotein
C Phos¬pholipids
D All of the above

Answer: All of the above
20 The number of mg of indican excreted normally
A 5 – 20
B 8 – 25
C 10 – 30
D 15 – 40

Answer: 5 – 20
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