Questions and answers for exam Preparation

MCQs

Total Questions : 50 | Page 4 of 5 pages

Question 31. Which of the following have the ability to fix atmospheric nitrogen?
1.AzolIa
2.Coli
3.Cyanobacteria
4.Azospirillium

1, 2 and 4
2 and 3
1, 3 and 4
1, 2, 3 and 4

Discuss Question

Answer: Option C. -> 1, 3 and 4
:
C

Question 32. Arrange in descending order to calorific values the following food items
1.Sugar
2.Cheese
3.Potatoes
4.Apples
5.Carrots

2, 1, 3, 4, 5
1, 2, 3,4, 5
1, 2, 4, 3, 5
1, 2, 4, 3, 5

Discuss Question

Answer: Option B. -> 1, 2, 3,4, 5
:
B

Question 33. The blind spot in the eye
1.is where the nerve fibres leave the eye.
2.has no light sensitive cells.
3.is part of the fovea.
4.is well developed in aged people,

1 and 4
2 and 4
2 and 3
1 and 2

Discuss Question

Answer: Option D. -> 1 and 2
:
D

Question 34. Which of the following is/are true of enzymes?
1.Proteinaceous in nature.
2.Specific in nature.
3.Converted in chemical reactions.
4.Act on the substrate at any temperature,

1 and 2
1, 2 and 4
1, 2 and 3
2 and 4

Discuss Question

Answer: Option A. -> 1 and 2
:
A

Question 35. A hormone
1.passes directly into the bloodstream.
2.is catalytic in nature.
3.is manufactured in the endocrine glands.
4.is always a protein.

1 and 2 are true
1, 2 and 3 are true
1 and 3 are true
1, 3 and 4 true

Discuss Question

Answer: Option C. -> 1 and 3 are true
:
C

Question 36. Which of the following is/are true of bile?
1.It is an enzyme secreted by the liver.
2.It is a watery green fluid.
3.It is stored in the gall bladder.
4.It contains sodium chloride, sodium organic bicarbonate compounds, and complex organic compounds.

1, 2 and 3
1, 3 and 4
2, 3 and 4
3 and 4

Discuss Question

Answer: Option B. -> 1, 3 and 4
:
B

Question 37. Which of the following statements is/are true of white blood corpuscles?
1.They are irregular structures.
2.They are nucleated.
3.They are manufactured in the lymph and spleen.
4.They live for about four months,

1, 2 and 3
1, 3 and 4
3 and 4
1 and 3

Discuss Question

Answer: Option A. -> 1, 2 and 3
:
A

Question 38. After death, the
1.arteries are usually empty of blood.
2.blood in arteries clots.
3.veins are empty of blood.
4.veins are full of clots.

1 and 2
1 only
1 and 4
3 only

Discuss Question

Answer: Option C. -> 1 and 4
:
C

Question 39. A victim of a road accident is unconscious. Put in correct order the steps in first aid
1.Treating for cardiac arrest.
2.Treating for asphyxia.
3.Treating for shock.
4.Arrest haemorrhage.
5.Cleanse and cover wounds.

1, 2, 3, 4, 5
2, 1, 4, 3, 5
2, 3, 1, 4, 5
5, 2, 1, 3, 4

Discuss Question

Answer: Option B. -> 2, 1, 4, 3, 5
:
B

Question 40. Absence or inadequacy of proteins in human diet will produce
1.weakening of body's defences against infections.
2.impairment of body's growth.
3.impairment of hormones needed by the body.
4.impairment of the cell's ability to convert heat into energy.