Question Bank No: 5

1. A macro element that has a direct role in regulating the stomatal movement

 a)Nitrogen
 b)Potassium
 c)Phosphorous
 d)Magensium

2. In agaricus the longest phase is represented by the following nuclear condition in the mycelium

 a)2n
 b)n+n
 c)n
 d)3n

3. Walking fern among the following is

 a)Adiantum
 b)Dryopteris
 c)Sphagnum
 d)Auracaria

4. The plant which gives agar - agar

 a)Laminaria
 b)Chara
 c)Sargassum
 d)Gellidium

5. Phytophthora infestans is a fungus causing the disease

 a)Smut of wheat
 b)Downy mildew of cereals
 c)Late blight of potato
 d)Foliar seedling disease of rice

6. Interaction between two individuals where one is benefited while other is neither benefited nor harmed is called

 a)Predation
 b)Symbiosis
 c)Parasitism
 d)Commensalism

7. The main function of centrosome is

 a)Secretion
 b)Respiration
 c)Osmoregulation
 d)Formation of spindles

8. During metaphase mitosis of the chromosomes

 a)Undergo coiling
 b)Move towards the pole
 c)Breaks and distintegrates
 d)None

9. In the cell cycle synthesis takes place during

 a)G1 phase
 b)G2 phase
 c)S-Phase
 d)Prophase

10. The final accepter of electrons in the electron transport chain is

 a)water
 b)Oxygen
 c)Cytochrome a3
 d)Cytochrome -a

11. Smooth endoplasmic reticulum is the site of

 a)Proteins synthesis
 b)Carbohydrate synthesis
 c)Lypid synthesis
 d)Nucleic acid synthesis

12. The enzyme that joins together molecules by forming new covalent bond are

 a)Oxido reductases
 b)Transferases
 c)Lyases
 d)Ligases

13. Growth in the end of childhood and during puberty in controlled by

 a)Thyroxine
 b)thymosin
 c)somatotrophic hormone
 d)Thyroxine and somatotrophic hormone

14. White matter is composed of

 a)Nerve cells with blood vessels
 b)Myelinated nerve fibres
 c)Ependymal cells
 d)Non-myelinated nerve

15. A cranial nerve with maximum branches in the body is

 a)Gagus
 b)auditory
 c)Facial
 d)Trigeminal

16. Medulla Ageing start with disappearance of

 a)Spleen
 b)Pituitary gland
 c)thymus gland
 d)Thyroid gland

17. In brain centre for thrist is situated in

 a)Cerebrum
 b)Cerebellum
 c)Hypthalamus
 d)Pituitary

18. The centre for sense of smell in brain is

 a)Cerebellum
 b)Cerebrum
 c)Medulla oblongata
 d)Olfactory lobes

19. During the recovery phase thet axon is

 a)+ vely charged on the outer as well as inner side
 b)+vely charged on the outerside and -vely charged on the inner side
 c)-vely charged on the outer side and +vely charged on the inners side
 d)-vely charged on both sides

20. Which slows down the secretion of salvary glands, increases rate of heart beat and deep breathing.

 a)Parasympathetic nervous system
 b)sympathetic nervous system
 c)Central nervous system
 d)Peripheral nervous system

21. Auditory area is present in the

 a)Temporal lobe
 b)Parietal lobe
 c)Frontal lobe
 d)Occipital lobe

22. Hormone produced allergic reaction is.

 a)Glucocorticoid
 b)Mineralocorticoid
 c)Norepinephrine
 d)Epinephrine

23. A person living at a high altitude will have.

 a)High alveolar capacity
 b)More erythrocytes
 c)Haemoglobin curve shifted towards the right
 d)None of the above

24. Which one of the following blood vessels carries only deoxygenated blood.

 a)Aorta
 b)Capillaries
 c)Pulmonary artery
 d)Pulmonary vein

25. Hormone that causes the milk ejection from the breasts when the baby begins to suckle is called

 a)Prolactin
 b)Progesterone
 c)FSH
 d)oxyocin

26. A RBC was kept in a fluid and it got burst then the solution is.

 a)Isotonic
 b)Hypertonic
 c)Hypotonic
 d)Concentrate sugar

27. Human beings cannot survive above an altitude of 18,000 meters, The reason is.

 a)Non availabitity of O2
 b)Fall in partial pressure of O2
 c)O2 is available but lungs cannot take it
 d)Percentage of O2 remains 20.95 mg.

28. Decrease in level of progesterone hormone is.

 a)Just after child birth
 b)After ovulation
 c)Just as menstruation begins
 d)Both a and c

29. Pheromone is.

 a)a product of endocrine gland
 b)used for animal communication
 c)Messenger RNA
 d)Always protein

30. 'Cretinism' is due to less secretion of

 a)thyroid gland
 b)Pituitary gland
 c)Parathyroid
 d)Adrenal gland

31. Which of the following increases the late of re-absorption of ions in renal tubules

 a)Cortisol
 b)Aldosterone
 c)Calciferol
 d)Erythropoeitin

32. Frequent urination and lots of water in urine are

 a)Due to excessive secretion of ADH
 b)Due to no secretion of ADH
 c)No connection with secretion of ADH
 d)Due to drinking of lots of water

33. The ascending limb of loop of Henle is impermeable to

 a)Glucose
 b)ammonia
 c)Potassium
 d)Water

34. Urea is synthesized in

 a)Liver
 b)Intestine
 c)stomach
 d)Kidney

35. In which cycle, ammonia is converted into urea

 a)Carbon cycle
 b)Nitrogen cycle
 c)Ornithine cycle
 d)Hydrogen cycle

36. Urine is concentrated in

 a)Kidney
 b)Glomerulus
 c)Malpighian tubule
 d)Distal convoluted tubule

37. Which one is the correct route through which pulse making impulse travels in the heart

 a)SA node Purkinjee fibers Bundle of His A V Node Heart muscles
 b)A V node S A node Purkinjee Fibers Bundle of His Heart muscles
 c)A V node Bundle of His SA node Purinjee fibers Heart muscles
 d)SA Node A Vnode Bundle of His Purkinjee fibers Heart muscles

38. During diastole -

 a)Blood leaves the heart
 b)Blood enters heart
 c)Blood leaves the ventricle
 d)Blood enters lungs

39. The tendons connecting papillary muscles and Heart valves are called

 a)Muscle column
 b)Heart tendon
 c)Chordae tendinae
 d)Heart muscles

40. First heart sound is produced during closure of

 a)Auriculo - ventricular valve
 b)Eustachian valve
 c)Sinus valve
 d)Semi lunar valve

41. Which of the following chamber of the heart has the thickest muscular wall

 a)Right ventricle
 b)Right atrium
 c)Left atrium
 d)Left ventricle

42. The blood protein involved in blood coagulation is

 a)Thrombin
 b)Fibrin
 c)Fibrinogen
 d)Prothrombin

43. Maximum amount of CO2 is transported by

 a)Sodium bicarbonate
 b)Haemoglobin
 c)Blood plasma
 d)Carbamino haemoglobin

44. Diapedesis means

 a)Movement of the food in gut
 b)Formation of WBC
 c)The process by which lymphocytes squeeze through thin capillary wall
 d)Formation of RBC

45. Regurgitation of food from stomach is prevented by

 a)Pyloric sphincter
 b)Cardiac sphincter
 c)Circular muscle
 d)Muscularis mucosae

46. The fats absorbed from the gut are transported to the blood in the form of

 a)Liposomes
 b)chemomicrones
 c)Chylomicrons
 d)Micells

47. Enteropeptidase enzyme is present in

 a)Saliva
 b)Gastric juice
 c)Pancreatic juice
 d)Intestinal juice

48. Digestive enzymes belong to which category of enzymes.

 a)Oxidiases
 b)Hydrolases
 c)Proteases
 d)Glycocidases

49. Kupffer cells of liver are concerned with

 a)Secretion of Heparin and Histamine
 b)Deposition of fat
 c)Conversion of glucose into glycogen
 d)Ingesting RBC's which have stopped function

50. Cholesterol is produced by

 a)Gastric Glands
 b)Liver
 c)Pancreas
 d)Small intestine