Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Vitamin A deficiency leads to a disease known as

A. night-blindness
B. beri-beri
C. scurvy
D. TB
Answer» B. beri-beri
2.

The carbohydrate which serves as a reserve glucose in body is

A. sucrose
B. starch
C. glycogen
D. fructose
Answer» D. fructose
3.

Sucrose on hydrolysis gives

A. glucose only
B. glucose and galactose
C. glucose and fructose
D. glucose and lactos
Answer» D. glucose and lactos
4.

The disacchairde present in milk is

A. sucrose
B. lactose
C. maltose
D. none of these
Answer» C. maltose
5.

When sodium benzoate is heated with soda lime, we get

A. taluene
B. ethylene
C. benzene
D. aniline
Answer» D. aniline
6.

The number of - electrons in benzene molecule are

A. 6
B. 3
C. 5
D. 4
Answer» B. 3
7.

Enzymes

A. accelerate bio-chemical reactions
B. consist of amino acids
C. have optimum activity at body temperature
D. have all these properties
Answer» E.
8.

Bleeding gums is generally associated with a deficiency

A. thiamine
B. ascorbic acid
C. folic acid
D. vitamin E
Answer» C. folic acid
9.

Amino acids are building blocks of

A. carbohydrates
B. fats
C. proteins
D. vitamins
Answer» D. vitamins
10.

Which of the following is not a sex hormone ?

A. Testosterone
B. Estrone
C. Estradiol
D. Cortisone
Answer» E.
11.

Which one is not the essential constituent of balanced diet ?

A. Hormones
B. Carbohydrates
C. Fats
D. Vitamins
Answer» B. Carbohydrates
12.

The function of enzymes is the living system is to

A. transport oxygen
B. provide immunity
C. catalyse bio-chemical reactions
D. provide energy
Answer» D. provide energy
13.

Protein is an important constituent of our diet. It functions mainly as

A. a source of energy
B. a construction material
C. shock absorber
D. reserve food
Answer» C. shock absorber
14.

Yeast is

A. bacteria
B. antibiotic
C. virus
D. fungi
Answer» B. antibiotic
15.

Biuret test is used for the detection of

A. sugars
B. fats
C. proteins
D. saturated oils
Answer» D. saturated oils
16.

The human body does not produce

A. vitamins
B. enzymes
C. proteins
D. hormones
Answer» B. enzymes
17.

The number of amino acids which form proteins in nature are about

A. 6
B. 10
C. 15
D. 20
Answer» E.
18.

On hydrolysis proteins give

A. nucleotides
B. nucleosides
C. amides
D. amino acids
Answer» E.
19.

Which one of the following contains cobalt ?

A. Chlorophyll
B. Haemoglobin
C. Vitamin C
D. Vitamin B
E. <sub>12</sub>
Answer» E. <sub>12</sub>
20.

Which of the following has magnesium ?

A. Carbonic anhydrase
B. Vitamin B
C. <sub>12</sub>
D. Chlorophyll
E. Heamocyanine
Answer» D. Chlorophyll
21.

The energy stored in the cells of a living body is in the form of

A. fats
B. glucose
C. ATP
D. Proteins
Answer» D. Proteins
22.

Charring of sugar is due to

A. oxidation
B. reduction
C. dehydration
D. reduction and hydration
Answer» D. reduction and hydration
23.

Which of the following have coiled helical structure ?

A. Proteins
B. Lipids
C. Carbohydrated
D. Vitamins
Answer» B. Lipids
24.

Which has the maximum protein ?

A. groundnut
B. cow-milk
C. egg
D. wheat
Answer» B. cow-milk
25.

The most important energy carrier in the living cell is

A. AMP
B. ADP
C. UDP
D. ATP
Answer» E.
26.

Hydrolysis of cane sugar is called

A. saponification
B. hydration
C. inversion
D. esterification
Answer» D. esterification
27.

Which one among the following is the sweetest natural sugar ?

A. Glucose
B. Fructose
C. Lactose
D. Sucrose
Answer» D. Sucrose
28.

Which of the following base is found only in RNA and not in DNA ?

A. thymine
B. guanine
C. uracil
D. adenine
Answer» D. adenine
29.

Which of the following is found in cod liver oil ?

A. Vitamin C
B. Vitamin E
C. Vitamin A
D. Vitamin B
E. <sub>1</sub>
Answer» D. Vitamin B
30.

Calorific value is in the order of

A. fats>carbohydrates>proteins
B. carbohydrates>fats>proteins
C. proteins>carbohydrates>fats
D. fats>proteins>carbohydrates
Answer» B. carbohydrates>fats>proteins
31.

Thymine is

A. 5-methyl uracil
B. 4-methyl uracil
C. 3-methyl uracil
D. 1-methyl uracil
Answer» B. 4-methyl uracil
32.

Insulin regulates the metabolism of

A. minerals
B. amino acids
C. glucose
D. Vitamins
Answer» D. Vitamins
33.

Which one of the following vitamins is essential for coagulation of blood ?

A. Vitamin A
B. Vitamin B
C. <sub>12</sub>
D. Vitamin K
E. Vitamin D
Answer» D. Vitamin K
34.

Vitamin B

A. Co
B. Mn
C. Mg
D. Fe
Answer» B. Mn