R4RIN – MCQs, Mock Tests | Zoology Zoology Questions and Answers

The outer region of the brain is called

1. pericardium
2. duramater
3. piamater
4. arachnoid membrane

✅ Correct Answer: 3

Vitamin E deficiency is causes

1. rickets
2. sterility
3. night blindness
4. anaemia

✅ Correct Answer: 2

Plasmodium belongs to this group

1. protozoa
2. virus
3. fungus
4. bacteria

✅ Correct Answer: 1

Number of bones in human body is

1. 220
2. 215
3. 206
4. 225

✅ Correct Answer: 3

The book origin of life was written by

1. S.W. Fox
2. L.Pasteur
3. H.J. Miller
4. D. Darwin

✅ Correct Answer: 4

Chicken fox is caused by

1. virus
2. bacteria
3. protozoa
4. none of these

✅ Correct Answer: 1

Theory of natural selection was propounded by

1. Carolus Linnaeus
2. Charles Lyell
3. Charles Darwin
4. James Hutton

✅ Correct Answer: 3

Which animal helps in the dispersal of seeds?

1. cat
2. snake
3. bat
4. pigeon

✅ Correct Answer: 3

The process by which organisms obtain their nutrients from food is

1. nutrition
2. absorption
3. digestion
4. reproduction

✅ Correct Answer: 1

Inner part of the brain is ---- in colour

1. white
2. red
3. grey
4. brown

✅ Correct Answer: 1

Which one of the following is known as the silent killer?

1. cholera
2. malaria
3. blood pressure
4. tuberculosis

✅ Correct Answer: 4

The outer region of the cerebrum is called

1. sulcus
2. cortex
3. gyrus
4. none of these

✅ Correct Answer: 2

Snake venom is used as

1. poison
2. medicine
3. fertilizer
4. hormone

✅ Correct Answer: 2

The flying mammals are known as

1. volent
2. arboreal
3. terrestrial
4. fossorial

✅ Correct Answer: 1

The human excretory organs is

1. heart
2. skin
3. kidney
4. liver

✅ Correct Answer: 3

Insulin is secreted by which organ of the body?

1. kidney
2. pancreas
3. intestine
4. stomach

✅ Correct Answer: 2

The acid present in ants is

1. acetic acid
2. sulphuric acid
3. butyric acid
4. formic acid

✅ Correct Answer: 4

Which is the largest organ in human body?

1. heart
2. skin
3. liver
4. lungs

✅ Correct Answer: 2

Plasmodium causes

1. malaria
2. typhoid
3. pyorrhea
4. kala–azar

✅ Correct Answer: 1

The major components of honey is

1. sucrose
2. maltose
3. fructose
4. glucose

✅ Correct Answer: 1

Fresh foods and fruits contain more of

1. fats
2. vitamins
3. proteins
4. carbohydrates

✅ Correct Answer: 2

HIV attacks

1. RBC
2. WBC
3. T cells
4. Eosinophils

✅ Correct Answer: 3

In man average weight of heart is

1. about 300 grams
2. about 310 grams
3. about 320 grams
4. about 330 grams

✅ Correct Answer: 2

Study of birds is known as

1. Mycology
2. Ornithology
3. Entomophily
4. Paleo–biology

✅ Correct Answer: 2

The weight of the brain in adult male is about

1. 1.2 kg
2. 1.3 kg
3. 1.4 kg
4. 1.6 kg

✅ Correct Answer: 3

Which one of the following organisms is required for the preparation of alcohol?

1. fungi
2. protozoa
3. viruses
4. bacteria

✅ Correct Answer: 4

Bleeding of gums is one of the symptoms of

1. sterility
2. scurvy
3. beri–beri
4. pellagra

✅ Correct Answer: 2

The escape of haemoglobin from RBC is known as

1. clotting
2. haemorrhage
3. themolysis
4. anaemia

✅ Correct Answer: 3

The physical basis of life is

1. food
2. protoplasm
3. nucleus
4. cell

✅ Correct Answer: 4

Carbohydrates and fats are called

1. vitamins
2. minerals
3. body builders
4. energy producers

✅ Correct Answer: 4

Defiency of which mineral causes anaemia in man?

1. iron
2. magnesium
3. calcium
4. phosphorous

✅ Correct Answer: 1

Citrus fruits are the source of

1. calcium
2. vitamin a
3. vitamin c
4. vitamin d

✅ Correct Answer: 3

Mutation can be induced by

1. chemicals
2. radiation
3. temperature
4. all of these

✅ Correct Answer: 4

The rearing of silkworms is known as

1. pisciculture
2. horticulture
3. apiculture
4. sericulture

✅ Correct Answer: 4

Rabies is transmitted by

1. flies
2. bugs
3. infected mad dogs
4. mosquitoes

✅ Correct Answer: 3

Gene mutation takes place in

1. ribosome
2. mitochondrion
3. chloroplast
4. dioxyribose nucleic acid

✅ Correct Answer: 4

Blind spot on the retina contains

1. rods
2. cones
3. rods and cones
4. none of these

✅ Correct Answer: 3

Largest known vertebrate is

1. elephant
2. whale
3. anaconda
4. shark

✅ Correct Answer: 2

AIDS is caused by

1. virus
2. bacteria
3. protozoa
4. helminth

✅ Correct Answer: 1

___--occurs due to the deficiency of Vitamin D.

1. anaemia
2. scurvy
3. rickets
4. pellagra

✅ Correct Answer: 3

Who discovered the circulatory system of man?

1. William Harvey
2. Robert Hook
3. Robert Brown
4. Landsteiner

✅ Correct Answer: 1

The red colour of the blood is caused by

1. Plasma
2. Haemoglobin
3. Lymph
4. Monophils

✅ Correct Answer: 2

Which animal has the longer life span?

1. Dog
2. Horse
3. Elephant
4. Tortoise

✅ Correct Answer: 3

The infectious disease 'leprosy' is transmitted by

1. virus
2. worm
3. bacterium
4. insect

✅ Correct Answer: 3

Vitamin D is synthesisted in the presence of sunlight

1. skin
2. liver
3. bone
4. pancreas

✅ Correct Answer: 1

Which of the following would come together in

1. whale
2. bat
3. pigeon
4. silver fish

✅ Correct Answer: 1

Which one of the following is important for blood clotting?

1. RBC
2. WBC
3. Basophil
4. Thrombocyte

✅ Correct Answer: 4

Which is an egg laying mammal?

1. Whale
2. Rhinoceros
3. Kangaroo
4. Platypus

✅ Correct Answer: 2

Which one of the following disease is NOT waterbone?

1. Typhoid
2. Cholera
3. Amoebiasis
4. Influenza

✅ Correct Answer: 4

The strongest muscle of the body is of

1. Thigh
2. Arm
3. Neck
4. Jaw

✅ Correct Answer: 4

Which one of the following organsisms is required for the preparation of alcohol?

1. fungi
2. viruses
3. bacteria
4. protozoa

✅ Correct Answer: 3

In the eye, colour vision is affected by the presence of _____

1. rods
2. cones
3. choroid coat
4. sclerotic coat

✅ Correct Answer: 2

Fresh foods and fruits contain more of

1. proteins
2. fats
3. vitamins
4. carbohydrates

✅ Correct Answer: 3

The type of circulatory system present in earthworm is

1. closed type
2. open type
3. partly open type
4. partly closed type

✅ Correct Answer: 1

The major compound found in human kidney stones is

1. uric acid
2. calcium phosphate
3. calcium carbonate
4. calcium oxalate

✅ Correct Answer: 4

Corpus lutetum is a mass of cells found in

1. ovary
2. spleen
3. brain
4. pancreas

✅ Correct Answer: 1

Which cells form the nervous system?

1. Neurons
2. Chondrocytes
3. Nephrons
4. Neurons

✅ Correct Answer: 4

The tusks of an elephant are modified

1. canines
2. incisors
3. molars
4. pre-molars

✅ Correct Answer: 2

The term "cloning" is related with

1. Environment
2. Genetics
3. Trade
4. Space technology

✅ Correct Answer: 2

Red blood corpuslces are formed in the

1. bone marrow
2. liver
3. kidneys
4. pancreas

✅ Correct Answer: 1