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.

In onion the edible part is

A. Leaf
B. Root
C. Stem
D. Flower
Answer» B. Root
2.

Of the total number of genes inherited by a child

A. more are from the father
B. more are from the mother
C. there are an equal number from each parent
D. there is never a constant number from the parents
Answer» D. there is never a constant number from the parents
3.

Transport of oxygen by blood takes place with the help of

A. Erythrocytes
B. Thrombocytes
C. Lymphocytes
D. Leucocytes
Answer» B. Thrombocytes
4.

Genes are not found in pairs

A. in body cells
B. in ovary after fertilization
C. in gametes
D. in zygotes
Answer» D. in zygotes
5.

The red blood cells are produced by the

A. Liver
B. Hormones
C. Bone-marrow
D. Heart
Answer» D. Heart
6.

Which one of the following is used as a food preservative ?

A. Sodium benzoate
B. Sodium thiosulphate
C. Sodium hydroxide
D. Sodium bicarbonate
Answer» B. Sodium thiosulphate
7.

The Red Data Book is the documentation of endangered rare species of:

A. Flora
B. Fauna
C. Other living organisms
D. All of these are correct
Answer» E.
8.

Who proposed the adage Survival of the fittest ?

A. Darwin
B. William
C. Huxley
D. Lamarck
Answer» B. William
9.

Metal present in blood is

A. Calcium
B. Zinc
C. Sodium
D. Iron
Answer» E.
10.

Hypoglycemia refers to

A. high salt concentration in blood
B. high blood sugar level
C. high blood pressure
D. low sugar level in blood
Answer» E.
11.

The form of carbohydrate which is synthesised in plants is

A. Starch
B. Glucose
C. Fructose
D. Cellulose
Answer» C. Fructose
12.

Stem cells which are capable of developing into other types of cells come from the

A. roots
B. stem
C. embryo
D. flower
Answer» D. flower
13.

In digestion, proteins are converted into

A. Fatty acids
B. Glucose
C. Amino acids
D. Maltose
Answer» D. Maltose
14.

In human body, cartilage is found in

A. tognue
B. nose
C. chin
D. nail
Answer» C. chin
15.

When nitrogenous waste accumulates in the blood which organ is not functioning ?

A. Liver
B. Lungs
C. Kidneys
D. Heart
Answer» D. Heart
16.

Which one of the following is a hereditary disease ?

A. Haemophilia
B. Myopia
C. Anaemia
D. Leukemia
Answer» B. Myopia
17.

Which of the following is a biodegradable waste ?

A. Wool
B. Polythene bags
C. Plastics
D. Nylon
Answer» B. Polythene bags
18.

Honey contains mainly

A. Proteins
B. Carbohydrates
C. Fat
D. Vitamin
Answer» C. Fat
19.

Ginger is a modified

A. roof
B. leaf
C. tendril
D. stem
Answer» E.
20.

The part of the flower that can carry out photosynthesis is

A. Androecium
B. Gynoecium
C. Calyx
D. Corolla
Answer» D. Corolla
21.

The reagent used to test the presence of starch in leaves is

A. Fehling s solution
B. Iodine solution
C. Million s reagent
D. Benedict s solution
Answer» C. Million s reagent
22.

In onion food is stored in

A. aerial stem
B. root
C. scale leaves
D. bud
Answer» D. bud
23.

The blood vessel carrying blood from the lungs to the heart is

A. Hepatic artery
B. Pulmonary artery
C. Pulmonary vein
D. Renal artery
Answer» D. Renal artery
24.

Chicken pox is caused by

A. Protozoa
B. Bacteria
C. Virus
D. Fungus
Answer» D. Fungus
25.

An adult human normally has

A. 6 molar teeth
B. 8 molar teeth
C. 10 molar teeth
D. 12 molar teeth
Answer» E.
26.

A disease caused by fungus is

A. Round worm
B. Ringworm
C. Tapeworm
D. Filaria
Answer» C. Tapeworm
27.

The importance of perspiration is to

A. Eliminate body odours
B. Improve the general health
C. Open the pores in the skin
D. Regulate body temperature
Answer» E.
28.

Bacteriophage was discovered by

A. Felix d Herelle and Frederick Twort
B. Kluyver and Niel
C. Paul Ehrlich
D. Burrill and Smith
Answer» B. Kluyver and Niel
29.

Rabies is caused by

A. bacteria
B. virus
C. fungus
D. algae
Answer» C. fungus
30.

Protein is considered as a

A. Body builder
B. Energy producer
C. Regulator
D. Bulk increaser
Answer» B. Energy producer
31.

How many times does the heart beat approximately in a minute in humans?

A. 25 times
B. 30 times
C. 72 times
D. 96 times
Answer» D. 96 times
32.

Food for the developing foetus is supplied by the

A. Uterus
B. Placenta
C. Ovary
D. Allantosis
Answer» C. Ovary
33.

Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills ?

A. Pseudomonas
B. Agrobacterium
C. Clostridium
D. Nitrosomonas
Answer» E.
34.

White Revolution is related to

A. Wheat production
B.
C. Milk production
D. Flood control
E. Fish production
Answer» C. Milk production
35.

Cellulose is the chief constituent of

A. cell wall
B.
C. cell membrane
D. secondary wall of xylem
E. body wall of insects
Answer» B.
36.

Which of the following provides energy for photosynthesis?

A. Water
B. Sunlight
C. Chlorophyll
D. Carbon dioxide
Answer» C. Chlorophyll
37.

Butter is

A. fat dispersed in milk
B. water dispersed in fat
C. water dispersed in oil
D. fat dispersed in water
Answer» C. water dispersed in oil
38.

The structure in cells which contains light absorbing pigment is

A. Endoplasmic reticulum
B. Nucleus
C. Chloroplast
D. Chromoplast
Answer» D. Chromoplast
39.

Which of the following is a coldblooded animal ?

A. Pigeon
B. Tortoise
C. Fox
D. Goat
Answer» C. Fox
40.

Entamoeba histolytica is a parasite found in man s

A. liver
B. intestines
C. lungs
D. kidneys
Answer» C. lungs
41.

Hepatitis is a

A. heart disease
B. lung disease
C. liver disease
D. kidney disease
Answer» D. kidney disease
42.

The membrane covering the lungs is a

A. pleura
B. pericardium
C. peritoneum
D. mesothelium
Answer» B. pericardium
43.

The enzymes are basically

A. carbohydrates
B. lipids
C. proteins
D. amino acids
Answer» D. amino acids
44.

Metabolism is referred to as

A. synthesis of biomolecules
B. breaking-down of biomolecules
C. synthesis and breaking down of biomolecules
D. recycling of biomolecules
Answer» D. recycling of biomolecules
45.

The protein present in the finger nail is

A. Actin
B. Myosin
C. Globin
D. Keratin
Answer» E.
46.

Which one of these is a communicable disease?

A. Diabetes
B. Diphtheria
C. Arthritis
D. Cancer
Answer» C. Arthritis
47.

EEG is a technique to record the activity of

A. heart
B. lungs
C. brain
D. muscles
Answer» D. muscles
48.

The average heartbeat rate per minute in a normal person is

A. 82
B. 92
C. 72
D. 98
Answer» D. 98
49.

Which of the following groups of organisms digest their food before it actually enters the organism?

A. Bacteria and Protozoa
B.
C. Bacteria and Fungi
D. Fungi and Protozoa
E. Mucor and Rhizopus
Answer» C. Bacteria and Fungi
50.

Which enzyme converts proteins?

A. Pepsin
B. Trypsin
C. Erepsin
D. Enterokinase
Answer» C. Erepsin