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Question Bank No: 7

1. Coagulation of blood in the vessels is prevented during normal conditions by

a)		Prothrombin
b)		Calcium
c)		Plasminogen
d)		Heparin

2. The cation (mineral) necessary for coagulation of blood is

a)		Na
b)		Ca
c)		K
d)		Cl

3. Vital capacity of lungs is equal to

a)		IRV + ERV + TV
b)		IRV + ERV + TV - RV
c)		IRV + ERV + TV +RV
d)		IRV + ERV + RV

4. Determination of oxygen carried by haemoglobin is done by

a)		pH
b)		Partial pressure of oxygen
c)		Partial pressure of carbon dioxide
d)		All the above

5. Haemocyanin occurs in

a)		Annelida
b)		Insecta
c)		Mollusca
d)		Echinodermata

6. Book lungs are respiratory structures of

a)		Arachnida
b)		Mollusca
c)		Mammals
d)		Earthworm

7. Apnoea is

a)		Decreased ventilation
b)		Absence of breathing
c)		Laboured breathing
d)		Increased ventillation

8. Vital capacity of lungs is

a)		4.5-5.5 l
b)		3.5-4.5 l
c)		2.5-3.9 l
d)		1.5-2.5 l

9. Bicarbonate ion is produced inside

a)		Lymphocytes
b)		Erythrocytes
c)		Neutrophils
d)		Basophils

10. Glycolysis is represented by

a)		$C_{6} H_{12} O_{6} + {6 O}_{2} \to {6 CO}_{2} + {6 H}_{2} O$
b)		$C_{6} H_{12} O_{6} \to {2 C}_{2} H_{5} OH$ $+ {2 CO}_{2}$
c)		$C_{6} H_{12} O_{6} \to {2 C}_{3} H_{4} O_{3} + 4 H$
d)		${6 CO}_{2} + {6 H}_{2} O \to C_{6} H_{12} O_{6} + {6 O}_{2}$

11. Inner/ alveolar surface area of human lungs is

a)		1 $m^{2}$
b)		10 $m^{2}$
c)		100 $m^{2}$
d)		1000 $m^{2}$

12. Maximum amount /70-75% of carbon dioxide transport occurs as

a)		Dissolved in plasma
b)		Carbaminohaemoglobin complex
c)		Bicarbonate
d)		None of the above

13. Carbonic anhydrase is mostly active in

a)		RBC
b)		WBC
c)		Blood plasma
d)		Blood platelets

14. Air is breathed through

a)		Trachea $\to$ lungs $\to$ larynx $\to$ pharynx $\to$ alveoli
b)		Nose $\to$ larynx $\to$ pharynx $\to$ bronchus $\to$ alveoli $\to$ bronchioles
c)		Nostrils pharynx $\to$ larynx $\to$ trachea $\to$ bronchi $\to$ bronchioles $\to$ alveoli
d)		Nose $\to$ mouth $\to$ lungs

15. Respiratory centre is situated in

a)		Cerebellum
b)		Medulla oblongata
c)		Hypothalamus
d)		Cerebrum

16. Hamburger's phenomenon is also known as

a)		${HCO'}_{3}$ shift
b)		${Na}^{+}$ shift
c)		$H^{+}$ shift
d)		Chloride shift

17. Dissociation curve is connected with

a)		Carbonic anhydrase
b)		Carbon dioxide
c)		Oxygen
d)		Oxyhaemoglobin

18. Exchange of $O_{2}$ and ${CO}_{2}$ at the respiratory surface occurs through

a)		Passive transport
b)		Active transport
c)		Osmosis
d)		Diffusion

19. Blood possesses ${CO}_{2}$ in the form

a)		${NaHCO}_{3}$
b)		$H_{2} {CO}_{3}$
c)		${Hb - CO}_{2}$
d)		${Hb - CO}_{2}$ and $Hb - CO$

20. Rate of breathing in an adult human is

a)		10-12/min
b)		14-18/min
c)		20-25/min
d)		25-30/min

21. Respiratory quotient is not less than one in

a)		Carbohydrates
b)		Proteins
c)		Fats
d)		Normal diet

22. The greatest quantity of air that can be expired after a maximum inspiratory effort is its

a)		Residual volume
b)		Tidal volume
c)		Vital capacity
d)		Lung volume

23. The amount of air that moves in and out of the lungs, with each normal inspiration and expiration is called

a)		Residual volume
b)		Vital capacity
c)		Tidal volume
d)		Tidal capacity

24. During hibernation frog performs

a)		Pulmonary respiration
b)		Cutaneous respiration
c)		Bucco-pharyngeal respiration
d)		Both cutaneous and pulmonary respiration

25. Scruvy is due to defiency of

a)		Riboflavin
b)		Thiamine
c)		Ascorbic acid
d)		Vitamin A

26. Rennin acts on milk protein and changes

a)		Caesinogen into caesin
b)		Caesin into paracaesin
c)		Caesinogen into paracaesin
d)		Paracaesin into caesinogen

27. Cyanocobalamine is required for the formation of

a)		RBC
b)		WBC
c)		Lymph
d)		Platelets

28. Curdling of milk in small intestine would occur with the help of

a)		Rennin
b)		Erypsin
c)		Trypsin
d)		Chymotrypsin

29. HCl of gastric juice

a)		Inactivates ptyalin and activates pepsin
b)		Activates ptyalin and inactivates pepsin
c)		Inactivates both ptyalin and pepsin
d)		Activates both ptyalin and pepsin

30. Marasmus is caused by defiency of

a)		Carbohydrates
b)		Proteins
c)		Vitamins
d)		Fats

31. Osteomalacia is due to defiency of

a)		Vit D
b)		Vit K
c)		Vit A
d)		Vit E

32. Antisterility vitamin is

a)		Vitamin E
b)		Vitamin D
c)		Vitamin A
d)		Vitamin $B_{12}$

33. Night blindness develops due to deficiency of

a)		Vitamin C
b)		$B_{12}$
c)		Vitamin K
d)		Vitamin A

34. Digestion of carbohydrates occurs in

a)		Buccal cavity
b)		Stomach
c)		Intestine
d)		All the above

35. Pantothenic acid occurs in

a)		Yeast
b)		Liver
c)		Pulses
d)		All the above

36. Formation of glucose from proteins/surplus amino acids is

a)		Glycogenolysis
b)		Glycogenesis
c)		Gluconeogenesis
d)		Glycolysis

37. Which is not available from plants

a)		Riboflavin
b)		Vitamin $B_{12}$
c)		Niacin
d)		Vitamin C

38. Emulsification of fat is carried out by

a)		Pancreatic juice
b)		Bile pigments
c)		Bile salts
d)		Intestinal juice

39. Kwashiorkor, a disorder of children, is due to

a)		Protein deficiency
b)		Carbohydrate deficiency
c)		Genetic problem
d)		Vitamin deficiency

40. Optimum pH for enzyme trypsin is

a)		5.9
b)		4.6
c)		8.5
d)		7.0

41. Vitamins were discovered by

a)		Mellanby
b)		Funk
c)		Buchner
d)		Jenner

42. Gaucher's disease is related to

a)		Abnormal fat metabolism
b)		Vitamin deficiency
c)		Disturbed carbohydrate metabolism
d)		Abnormal protein metabolism

43. Vitamin required for devepment of erythrocytes is

a)		D
b)		$B_{12}$
c)		E
d)		K

44. Weight of human liver is

a)		6.0 kg
b)		5.0 kg
c)		3.0 kg
d)		1.5 kg

45. Contraction of muscle and conduction of nerve require

a)		${Na}^{+}$ and $K^{+}$
b)		$K^{+}$ and ${Mg}^{+}$
c)		${Ca}^{2 +}$
d)		${Ca}^{2 +}$ and $K^{+}$

46. What is common among amylase, renin and trypsin?

a)		All proteins
b)		Proteolytic enzymes
c)		Produced in stomach
d)		Act as pH lower than 7

47. Cellulose digestion is associated with

a)		Caccum
b)		Colon
c)		Small intestine
d)		Vermiform appendix

48. Diastema is toothless area between

a)		Right and left incisors
b)		Incisors and premolars
c)		Premolars and molars
d)		Behind molars

49. Rennin acts on

a)		Milk changing casein into calcium paracaseinate at 7.2 -8.2 pH
b)		Proteins in stomach
c)		Fat in intestine
d)		Milk changing casein into calcium paracaseinate at 1-3 pH

50. Scurvy due to vitamin C deficiency, is characterised by

a)		Intestinal disorder
b)		Nervous disorder
c)		Haemorrhage in gums
d)		Malfunctioning in kidneys