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.

Kwashiorkor is in children who get ________.

A. Low carbohydrate diet
B. Low vitamin diet
C. Low mineral diet
D. Low protein diet
Answer» E.
2.

Organisms such as bacteria, viruses, fungi, protozoans, helminths, etc., that cause diseases in humans are called ______.

A. predators
B. pathogens
C. antigens
D. frugivores
Answer» C. antigens
3.

Name the gland that is located in the midline (between the two cerebral hemispheres) of the human brain.

A. Adrenal
B. Thyroid
C. Pancreas
D. Pineal
Answer» E.
4.

Rabies is caused by ____________.

A. Dog bite
B. Contaminated water
C. Pollution
D. Unhygienic food
Answer» B. Contaminated water
5.

Bamboo is a type of ________.

A. Herb
B. Tree
C. Shrub
D. Grass
Answer» E.
6.

Pipe like vessels to transport water and nutrients from the soil in plants are _________.

A. Epidermis
B. Vascular tissue
C. Meristematic tissue
D. Collenchyma
Answer» C. Meristematic tissue
7.

Pneumatic bones are found in

A. Pigeon
B. Whale
C. Frog
D. Shark
Answer» B. Whale
8.

Flame cells are concerned with

A. Respiration
B. Locomotion
C. Excretion
D. Reproduction
Answer» D. Reproduction
9.

In plants, the nutrient that helps the roots to penetrate deep into the soil to absorb nutrients quickly:

A. Carbon
B. Phosphorus
C. Nitrogen
D. Potassium
Answer» E.
10.

After fertilization, the ovule and ovary subsequently develop to form

A. seed and fruit respectively
B. fruit and seed respectively
C. seed and flower respectively
D. degenerated ovule and seedless fruit respectively
Answer» B. fruit and seed respectively
11.

Nutrient enrichment of lakes is called ________.

A. Eutroplication
B. Bio magnification
C. Biological Oxygen Demand
D. Allelopathy
Answer» B. Bio magnification
12.

In plants, water is transported through which of the following medium?

A. Xylem
B. Phloem
C. Stomata
D. Root hair
Answer» B. Phloem
13.

______ is the smallest bone in the human body.

A. Rib cage
B. Scapula
C. Stapes
D. Coxal bone
Answer» D. Coxal bone
14.

Mosses are bryophytes are characterized by:

A. Dominant sporophytic phase
B. Unicellular sex organs
C. Heterotrophic mode of nutrition
D. Dominant gametophytic phase
Answer» E.
15.

Emetophobia is the fear of:

A. Vomiting
B. Spiders
C. Heights
D. Tunnels
Answer» B. Spiders
16.

Purkinje fibres are specialized ________.

A. cells in blood
B. neurons in the brain
C. cells in bone marrow
D. muscle fibres in the heart
Answer» E.
17.

A plant that does NOT grow through vegetative propagation is ________.

A. Rose
B. Papaya
C. Banana
D. Orange
Answer» C. Banana
18.

'Metagenesis' is observed in members of class

A. Hydrozoa
B. Scyphozoan
C. Anthozoa
D. All of these
Answer» B. Scyphozoan
19.

'Ozone Day' is observed on

A. January, 30
B. April, 21
C. September, 16
D. December, 25
Answer» D. December, 25
20.

______ tissue cells separate to form different types of permanent tissue.

A. Parenchyma
B. Collenchyma
C. Meristem
D. Sclerenchymas
Answer» D. Sclerenchymas
21.

Milk is unique in its nutritive value, it is a poor source of:-

A. Fat
B. Calcium
C. Protein
D. Iron
Answer» E.
22.

Bacteria, blue-green algae or cyanobacteria and mycoplasma are examples of organisms of which kingdom?

A. Plantae
B. Monera
C. Protista
D. Animalia
Answer» C. Protista
23.

Plants have been used as healers and health rejuvenators since times immemorial. More than half the drugs under clinical use owe their origin to plants.The Glossary of Indian Medicinal Plants lists 3000 plants.Which part of the plants is used most for medicinal properties ?

A. Roots
B. Bark
C. Leaves
D. Seeds
Answer» B. Bark
24.

Pollination takes place in the __________.

A. roots
B. leaves
C. flowers
D. fruits
Answer» D. fruits
25.

________ is a strong drug that doctors give to people to make them calm or help them sleep.

A. Barbiturate
B. Antidepressant
C. Antihistamine
D. Beta - Blocker
Answer» B. Antidepressant
26.

Deficiency of Vitamin 'C' causes a disease known as

A. Beri Beri
B. Goitre
C. Scurvy
D. Anaemia
Answer» D. Anaemia
27.

In addition to phloem, the following is made up of all the others.

A. Sieve tubes
B. Phloem vessel
C. Celiac
D. Phloem filaments
Answer» C. Celiac
28.

________ are called the ‘Powerhouses’ of the cell.

A. Mitochondria
B. Lungs
C. Arteries
D. Pituitary glands
Answer» B. Lungs
29.

In cactus, the spines are the modified:

A. Fruit
B. Stem
C. Leaves
D. Buds
E. Flower
Answer» D. Buds
30.

Cranial nerve in mammals are

A. 10 pairs
B. 10
C. 12 pairs
D. 12
Answer» D. 12
31.

Cholesterol is a?

A. Type of chlorophyll
B. Fatty alcohol found in animal fats
C. Derivative of chloroform
D. Chromium salt
Answer» C. Derivative of chloroform
32.

A multicellular organism grows by _________.

A. Cell addition
B. Cell explosion
C. Cell implosion
D. Cell division
Answer» E.
33.

Name two organelles that have their own genetic material.

A. DNA and RNA
B. Mitochondria and plastids
C. Ribosome and Golgi bodies
D. Dictyosome and endoplasmic reticulum
Answer» C. Ribosome and Golgi bodies
34.

One micronutrient and one macronutrient of plants are respectively

A. Fe and Mg
B. N and C
C. P and Zn
D. S and Ca
Answer» B. N and C
35.

Blood clot is formed because of the presence of certain cells in the blood called:

A. chondrocytes
B. platelets
C. lymphocytes
D. erythrocytes
Answer» C. lymphocytes
36.

A normal human ear can hear the sound of _______ frequency.

A. 30 Hz - 30 kHz
B. 40 Hz - 40 kHz
C. 50 Hz - 50 kHz
D. 20 Hz - 20 kHz
Answer» E.
37.

In a closed circulatory system, blood is completely enclosed within __________.

A. The Skeleton
B. Sinuses
C. Blood Vessels
D. Heart
Answer» D. Heart
38.

It takes __________ full grown trees to make one tonne of paper.

A. 5
B. 17
C. 10
D. 25
Answer» C. 10
39.

Mitosis and meiosis always differ in regard to the presence of

A. Chromatids
B. Homologous chromosome
C. Bivalents
D. Centromeres
Answer» D. Centromeres
40.

During inhalation, the ribs ________.

A. Move inwards
B. Move sideways
C. Move upwards
D. Move downwards
Answer» D. Move downwards
41.

Name the bacteria that causes dysentery.

A. Shigella
B. Vibrio Cholerae
C. Streptococcus pyogenes bacteria
D. Mycobacterium tuberculosis
Answer» B. Vibrio Cholerae
42.

Beri-Beri is caused due to the lack of which one of the following substances?

A. Vitamin B1
B. Protein
C. Vitamin C
D. Fats
Answer» B. Protein
43.

Identify the odd from the given group.Hydra, Sea Anemone, Psychon, Jellyfish

A. Psychon
B. Sea Anemone
C. Jellyfish
D. Hydra
Answer» B. Sea Anemone
44.

A deficiency of vitamin A results in ____.

A. Pellagra
B. Rickets
C. Xerophthalmia
D. Scurvy
Answer» D. Scurvy
45.

An earthworm has _________?

A. Slimy body
B. Segmented body
C. Compound eyes
D. Jointed legs
Answer» C. Compound eyes
46.

Asexual reproduction in Amoeba takes place through:

A. Regeneration
B. Budding
C. Binary fission
D. Fragmentation
Answer» D. Fragmentation
47.

Plants utilise ________ from the atmosphere for photosynthesis.

A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen
Answer» D. Hydrogen
48.

In which of the following diseases immune-system of body breaks down?

A. Diabetes
B. AIDS
C. Black fever
D. Diarrhoea
Answer» C. Black fever
49.

A new born baby will double its weight in 2 months due to:

A. Overeating
B. Increase in the number of body cells
C. Increase in fat
D. Protein in milk
Answer» C. Increase in fat
50.

In which of the following forms are carbohydrates stored in our body?

A. Lactose
B. Glucose
C. Glycogen
D. Cellulose
Answer» D. Cellulose