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.

Greater population can be supported on the earth only if we eat more

A. mutton
B. eggs
C. plant products
D. beef
Answer» D. beef
2.

Functional unit of Kidney

A. Axon
B. Neuron
C. Nephron
D. Artery
Answer» D. Artery
3.

Biodegradable wastes can usually be converted into useful substances with the help of

A. Bacteria
B. Nuclear proteins
C. Radioactive substances
D. Viruses
Answer» B. Nuclear proteins
4.

In which one of the following is swim bladder absent ?

A. Cuttlefish
B. Bony fish
C. Cartilaginous fish
D.
E. Silverfish
Answer» D.
5.

Pigeon milk is produced by

A. Crop
B. Birds
C. Mammals
D. All of the above
Answer» C. Mammals
6.

From which one of the following is quinine extracted ?

A. Sarpagandha
B. Opium
C. Cinchona
D. Datura
Answer» D. Datura
7.

The only bird that flies backward is

A. Sparrow
B. Koel
C. Siberian Crane
D.
E. Humming birdl
Answer» E. Humming birdl
8.

The tallest plant in the world is

A. Eucalyptus
B. Pterocarpus
C. Polyalthia
D. Tectona
Answer» B. Pterocarpus
9.

Which of the following is used for wrapping of fractured bones?

A. White cement
B. White lead
C. Zinc oxide
D. Plaster of Paris
Answer» E.
10.

The acid stored in batteries is :

A. Sulphuric acid
B. Nitric acid
C. Hydrochloric acid
D. Acetic acid
Answer» B. Nitric acid
11.

The biological process in which both aerobes and anaerobes degrade organic matter is

A. Manuring
B. Composting
C. Digesting
D. Nitrifying
Answer» C. Digesting
12.

In the resistance colour code, the fourth band signifies

A. tolerance level
B. power of ten
C. the total value of resistance
D. the material of the resistor
Answer» B. power of ten
13.

Bio-magnification implies

A. Toxic matters are magnified
B. Living beings are magnified
C. Light is magnified
D.
E. Food is magnified
Answer» B. Living beings are magnified
14.

Which word is common in the botanical names of trees like Ashoka, Tamarind or Coral ?

A. Terminalia
B. Salix
C. Indica
D. Acacia
Answer» D. Acacia
15.

Penicillin is isolated from :

A. Fungi
B. Algae
C. Virus
D. Bacteria
Answer» B. Algae
16.

Which virus from the following combinations is contagious for human beings ?

A. H5N1
B. H1N5
C. H2N3
D. H4N2
Answer» B. H1N5
17.

Drying oils contain a fairly large proportion of

A. fats
B. proteins
C. saturated fatty acids
D. unsaturated fatty acids
Answer» E.
18.

Opium is a plant product obtained from

A. dried leaves
B. dried latex
C. roots
D. stem bark
Answer» C. roots
19.

The antibiotic Ampicillin is :

A. a synthetic drug
B. obtained from a bacterium
C. obtained from a plant extract
D. a semi-synthetic drug
Answer» C. obtained from a plant extract
20.

The number of chromosomes present in the somatic cell of the human cell is

A. 23
B. 44
C. 46
D. 92
Answer» D. 92
21.

Which of the following animals has a clitellum ?

A. Millipede
B. Centipede
C. Earthworm
D. Ringworm
Answer» D. Ringworm
22.

Heavy alcohol consuming people generally die of

A. blood cancer
B. cirrhosis
C. liver or stomach cancer
D. weakening of heart muscles leading to cardiac arrest
Answer» C. liver or stomach cancer
23.

Stone Cancer occurs due to :

A. Acid rain
B. Global warming
C. Radioactivity
D.
E. Bacterial action
Answer» B. Global warming
24.

Which of the following is a deficiency disease ?

A. Asthma
B. Jaundice
C. Scurvy
D. Cancer
Answer» D. Cancer
25.

The function of the heart is to

A. Supply oxygen to the tissues
B. carry carbon dioxide from the tissues
C. throw away waste materials
D. pump blood to different parts of the body
Answer» E.
26.

Which of the following is called the powerhouse of the cell ?

A. Nucleus
B. Lysosome
C. Chromosome
D. Mitochondrion
Answer» E.
27.

The red colour of human blood is due to

A. myoglobin
B. hemoglobin
C. immunoglobulin
D. haptoglobin
Answer» C. immunoglobulin
28.

The functional unit of the kidney is

A. neuron
B. glomerulus
C. nephron
D. ureter
Answer» D. ureter
29.

Virus in Latin means

A. Sweet
B. Small
C. Fluid
D. Poison
Answer» E.
30.

Which of the following is the longest vein in the human body ?

A. Trochlear
B. Inferior vena cava
C. Saphenous vein
D. Trigeminal
Answer» D. Trigeminal
31.

Plague is caused by ____.

A. Bacteria
B. Protozoa
C. Virus
D. All of the above
Answer» B. Protozoa
32.

The curcumin is isolated from

A. Garlic
B. Turmeric
C. Sunflower
D. Rose flower
Answer» C. Sunflower
33.

Mycoplasma is associated with a disease that affects the organs of

A. respiration
B. excretion
C. reproduction
D. digestion
Answer» B. excretion
34.

Which of the following processes does not increase the amount of carbon dioxide in air ?

A. Breathing
B. Photosynthesis
C. Burning of petrol
D. Aerobic decay of vegetation
Answer» C. Burning of petrol
35.

Acquired Immuno-Deficiency Syndrome (AIDS) is caused by

A. protozoa
B. virus
C. fungus
D. bacteria
Answer» C. fungus
36.

The source of the enzyme, diastase is

A. salivary gland
B. stomach
C. liver
D. pancreas
Answer» B. stomach
37.

The cells which are responsible for the production of antibodies are

A. red blood cells
B. neutrophils
C. lymphocytes
D. platelets
Answer» D. platelets
38.

The gene which exhibites multiple effects is known as :

A. Pseudogene
B. Pleiotropic
C. Complementary
D. Polygene
Answer» C. Complementary
39.

Which of the following is a good source of Vitamin E ?

A. Meat
B. Ghee
C. Yellow Yolk
D. Fresh Vegetables
Answer» E.
40.

Which one of the following is not a benefit of saliva ?

A. It facilitates swallowing
B. It increases RBCs in the body
C. It keeps the mouth and teeth clean
D. It aids speech by facilitating movements of lips and tongue
Answer» C. It keeps the mouth and teeth clean
41.

How many valves does a human heart have?

A. Four
B. Three
C.
D. Two
E. One
Answer» B. Three
42.

Tobacco smoke is injurious to health because it contains :

A. Carbon monoxide
B. Nicotine
C. Polycyclic aromatic hydrocarbons
D. Melathene
Answer» B. Nicotine
43.

Rheumatic heart disease is treated with the help of:

A. Aspirin
B. Streptomycin
C. Methyl dopa
D. Penicillin
Answer» B. Streptomycin
44.

Which of the following causes Malaria ?

A. Insect
B. Bacteria
C. Protozoa
D. Virus
Answer» D. Virus
45.

Tuberculosis infection is by means of :

A. Mycobacterium avonin
B. Staphylococcus
C. Mycobacterium tuberculosis
D. Streptococcus
Answer» D. Streptococcus
46.

Fiber diet includes :

A. glycogen
B. proteins
C. cellulose
D. fats
Answer» D. fats
47.

Which one of the following gives energy to our body ?

A. Vitamins
B. Water
C. Carbohydrates
D. Proteins
Answer» D. Proteins
48.

The element which is required by the plant in large quantity :

A. Calcium
B. Nitrogen
C. Phosphorus
D. Sulphur
Answer» C. Phosphorus
49.

The chemical which is used in art and craft and can cause anemia and leukemia is :

A. Benzene
B. Dioxine
C. Phthalate
D. Aldrin
Answer» B. Dioxine
50.

Which of the following diseases is caused by the consumption of nitrate contaminated food and water ?

A. Minimata disease
B. Osteoporosis
C. Blue baby syndrome
D. Asbestosis
Answer» D. Asbestosis