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.

Viruses are

A. Cellular
B. Acellular
C. Unicellular
D. Multicellular
Answer» C. Unicellular
2.

Name the organ where the embryo develops -

A. Uterus
B. Fallopian tube
C. Ureter
D. Cervix
Answer» D. Cervix
3.

Viruses are made up of

A. Protein and lipids
B. Nucleic and protein
C. Lipids and carbohydrate
D. Carbohydrate and Nucleic acid
Answer» C. Lipids and carbohydrate
4.

Protein which renders a cell less susceptible to attack by viruses is called -

A. Actomyosin
B. Chloromycetin
C. Hybridoma
D. Inferon
Answer» E.
5.

Which of the following range of Air Pollutant Index is considered as hazardous?

A. 301-500
B. 201-300
C. 101-200
D. 401-500
Answer» B. 201-300
6.

Why is Carbon Monoxide a pollutant?

A. Reacts with haemoglobin
B. Makes nervous system inactive
C. It reacts with Oxygen
D. It inhibits glycolysis
Answer» B. Makes nervous system inactive
7.

What is the term used for the process of pollination by birds?

A. Embryophily
B. Ornithophily
C. Entomophily
D. Hydrophily
Answer» C. Entomophily
8.

Anemia is related to .

A. iodine deficiency
B. calcium deficiency
C. iron deficiency
D. food poisoning
Answer» D. food poisoning
9.

What is the chemical name ofvinegar?

A. Citric acid
B. Acetic acid
C. Pyruvic acid
D. Mahe acid
Answer» C. Pyruvic acid
10.

The chemical used for destroying Fungi in water tanks is -

A. Copper sulphate
B. Magnesium sulphate
C. Zinc sulphate
D. Nitric acid
Answer» B. Magnesium sulphate
11.

Transfer of genetic information from one generation to the next generation is by -

A. RNA
B. Codon
C. DNA
D. messenger RNA
Answer» D. messenger RNA
12.

Blood is red in colour due to the presence of -

A. Cytochrome
B. Chlorophyll
C. Hemocyanin
D. Haemoglobin
Answer» E.
13.

Which part of the tea plant is used for making tea?

A. root
B. flower
C. Leaves
D. Stem
Answer» D. Stem
14.

A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from the blood extra

A. glucose
B. insulin
C. glucagon
D. salt
Answer» B. insulin
15.

Which of the following is an example of parasitic alga?

A. Ulothrix
B. Cephaleuros
C. Oedogonium
D. Sargassum
Answer» C. Oedogonium
16.

Which of the following is not an insectivorous plant?

A. Nepenthes
B. Utricularia
C. Drosera
D. Cuscuta
Answer» E.
17.

Yellow Fever is transmitted by -

A. Aedes
B. Anopheles
C. House-fly
D. Culex
Answer» B. Anopheles
18.

Which among the following parts of a plant is involved in gaseous exchange?

A. Stomata
B. Lenticels
C. Vacuoles
D. Stomata & Lenticels
Answer» E.
19.

To conserve coral reefs, the Government of India declared one of the following as Marine Park

A. Gulf of Kutch
B. Lakshadweep Islands
C. Gulf of Mannar
D. Andaman Islands
Answer» B. Lakshadweep Islands
20.

Hay fever is a sign of -

A. malnutrition
B. allergy
C. oldage
D. over work
Answer» C. oldage
21.

'Breakbone fever' most commonly known as?

A. Typhoid
B. Rhinitis
C. Yellow fever
D. Dengue
Answer» E.
22.

Fermentation is a type of process.

A. Aerobic Respiration
B. Anaerobic Respiration
C. Exothermic Reaction
D. Transpiration
Answer» C. Exothermic Reaction
23.

Commercially valued cork is obtained from -

A. Quercus spp
B. Cedrus Deodara
C. Ficus
D. Cycas
Answer» B. Cedrus Deodara
24.

percent of Delhites are suffering from Asthma and Rhinitis.

A. 13%
B. 10%
C. 11%
D. 12%
Answer» D. 12%
25.

The age of a tree can be determined more or less accurately by -

A. counting the number of branches
B. measuring the height of the tree
C. measuring the diameter of the trunk
D. counting the number of rings in the trunk
Answer» E.
26.

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

A. Terminalia
B. Salmi
C. Indica
D. Acacia
Answer» D. Acacia
27.

What is the impact of advancing glaciers on the rings of trees?

A. They become concentric
B. Their shape is distorted
C. They become widely spaced
D. They are immune to this change
Answer» C. They become widely spaced
28.

In the grass lands, trees do not replace the grasses as a part of an ecological succession because of -

A. Limited sun light and paucity of nutrients
B. None of the options
C. Insect and fungi
D. Water limits and fire
Answer» E.
29.

In the human body, which of the following organs is responsible for water balance?

A. Heart
B. Liver
C. Kidneys
D. Lungs
Answer» D. Lungs
30.

The total number of bones in our body is -

A. 226
B. 206
C. 256
D. 236
Answer» C. 256
31.

The hardest natural substance is -

A. Diamond
B. Iron
C. Graphite
D. Copper
Answer» B. Iron
32.

Which is not a natural fibre?

A. Linen
B. Silk
C. Jute
D. Nylon
Answer» E.
33.

Who propounded the theory of natural selection?

A. Mendal
B. Lamark
C. Darwin
D. De Vries
Answer» D. De Vries
34.

A plant with fibrous root system is

A. Wheat
B. Pea
C. Mustard
D. Bean
Answer» B. Pea
35.

The communication between the central nervous system and the other parts of the body is facilitated by -

A. Peripheral Nervous System
B. Central Nervous System
C. Both are correct
D. Both are incorrect
Answer» B. Central Nervous System
36.

Insectivorous plants grow in soil deficient in -

A. Calcium
B. Nitrogen
C. Magnesium
D. Water
Answer» C. Magnesium
37.

Hashish is obtained from aplant. From which part of the plant is it obtained?

A. Leaves
B. Stem
C. Exudate from leaves and female inflorescences.
D. Exudate from stem and male inflorescences.
Answer» D. Exudate from stem and male inflorescences.
38.

From which part of Opium plant we get morphine?

A. Leaves
B. Stem
C. Bark
D. Fruit coat
Answer» E.
39.

The plant from which cocoa and chocolate are obtained is a -

A. herb
B. shrub
C. small tree
D. very big tree
Answer» D. very big tree
40.

When the Left Ventricle in the human heart contracts, the blood moves to the -

A. Brain
B. Pulmonary Artery
C. Aorta
D. Lungs
Answer» D. Lungs
41.

Vitamin C is also known as -

A. Amino acid
B. Ascorbic acid
C. Acetic acid
D. Azelaic acid
Answer» C. Acetic acid
42.

Oxygen liberated during photo- synthesis is coming from :

A. Carbon dioxide
B. Water
C. Bresk down of chlorophy II
D. Atmosphere
Answer» C. Bresk down of chlorophy II
43.

The element which is the most abundant in the human body is :

A. Oxygen
B. Carbon
C. Iron
D. Nitrogen
Answer» B. Carbon
44.

, found in blood, is responsible for oxygen transportation.

A. WBC
B. Platelets
C. RBC
D. Plasma
Answer» D. Plasma
45.

First successful heart, transplantation was done by -

A. D.S. Paintal
B. C.N. Barnard
C. D. Shetty
D. P. K. Sen
Answer» C. D. Shetty
46.

Heart is devoid of -

A. cardiac muscle
B. involuntary muscle
C. voluntary muscle
D. smooth muscle
Answer» C. voluntary muscle
47.

What is the approximate time required for a heart-beat?

A. 0.5 second
B. 0.8 second
C. 0.5 minute
D. 1.0 minute
Answer» C. 0.5 minute
48.

The locomotory organ of 'Amoeba' is

A. Pseudopodia
B. Parapodia
C. Flagella
D. Cilia
Answer» B. Parapodia
49.

Potassium metabisulphate is used as a food preservative for

A. Squash
B. Tomato Ketchup
C. Fruit Juices
D. Pickles
Answer» D. Pickles
50.

Of the following man-made disasters, which is socially induced?

A. Debris Avalanche
B. Salt Water Intrusion
C. Arson
D. Ozone depletion
Answer» D. Ozone depletion