EXCRETION

EXCRETION

1. Kidney regulates the amount of

a. Enzymes b. Hormones c. Proteins d. Salts

2. Storage excretion is observed in

a. Pig b. Shark c. Amoeba d. Foetus

3. A poikilothermic excreting uric acid is

a. Calotes b. Pavo c. Rana d. Penguin

4. Vitamin excreted through urine in higher vertebrates is

a. A b. B c. D d. K

5. In which of the following animals loop of Henle is shorter?

a. Man b. Camel c. Clarius d. Rabbit.

6. Excretory product of mammalian embryo is eliminated by

a. Allentoise b. Amniotic fluid c. Placenta d. Uterus

7. Through which part of the nephron maximum amount of water is reabsorbed?

a. Proximal convoluted tubule b. Distal convoluted tubule c. Loop of Henle

d. Collecting tubule

8. A condition in which blood contain more urea is present in

a. Haematuria b. Glycosuria c. Keturia d. Uremia

9. Least concentration of urea is present in

a. Renal artery b. Renal vein c. Post caval d. Dorsal aorta

10. Trimethylamine is excreted by

a. Fresh water fishes b. Marine teleosts c. Amphibians d. Mollusos

11. Under normal conditions which one is completely reabsorbed in the renal tubule?

a. Urea b. Uric acid c. Salts d. Glucose

12. The snakes living in deserts are mainly

a. Ammonotelic b. Ureotelic c. Uricotelic d. Amniotelic

13. Taking in to the account of human kidney which is not included?

a. Cortex b. Urethra c. Pelvis d. Calyx

14. Urea of urine is produced by the breaking down of

a. Amino acids b. Glucose c. Sodium chloride d. Uric acid

15. Which of the following hormones promote re absorption of water?

a. Calcitonin b. Vasopressin c. Oxytocin d. Relaxin

16. Extraction of urine from blood takes place through

a. Loop of Henle b. PCT c. Bowman’s capsule d. DCT

17. The hormone produced from kidney is:

a. Relaxin b. Renin c. Oestrogen d. Rennin

18. The kidneys of adult rabbit are

a. Opisthonephros b. Pronephros c. Metanephros d. Mesonephros

19. The urine of man suffering from diabetes insidious is -

a. Sweet and watery b. Sweet and thick c. Tasteless and watery

d. Tasteless and thick

20. The malpighian capsule liesin the

a. Liver b. Medulla c. Cortex d. Pelvis

21. Biliviridin and bilirubin are excreted mainly along with

a. Urine b. Feces c. Sweat d. Vitamins.

22. Under, which condition the production of anti diuretic hormone, is lesser?

a. On cold damp day b. On continuous taking exercise

c. On very warm dry day d. None of the above

23. The chief nitrogenous waste in the urine of frog is

a. Ammonia b. Uric acid c. Urea d. Allention

24. Guanine is the excretory product of

a. Shark b. Earthworm c. Spider d. Starfish

25. Urea formation is the function of

a. Kidney b. Testis c. Spleen d. Liver


ANSWERS

1. d 2. b 3. a 4. b 5. c 6. c 7. a 8. d 9. b 10. b

11. d 12. c 13. b 14. d&a 15. b 16. a&c 17. b 18. c 19. c 20. c

21. b 22. a 23. c 24. c 25. d