Biology Part 2 Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Biology. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Answer : D

Explanation

Cold-blooded animals’ body temperature is changeable depending on their surroundings. They are warm when their surrounding is warm and cold when their surrounding is cold.

Q 2 - Which among the following is used by M.R.I.(instrument)?

A - Radio waves

B - Gamma rays

C - X-rays

D - Ultrasound waves

Answer : C

Explanation

Magnetic Resonance Imaging or simply M.R.I. does not affect tissue, as there is no radiation exposure with M.R.I. machine.

Q 3 - Consider the following elements, which are responsible for the oxygen transportation in the human body:

1. Blood

2. Lungs

3. Tissue

The correct sequence of transportation is

A - 3, 2 and 1

B - 2, 1 and 3

C - 3, 1 and 2

D - 1, 3 and 2

Answer : B

Q 4 - Which among the following is the richest source of vitamin B1?

A - Fish oil

B - Rice

C - Whole wheat meal

D - Barley

Answer : C

Explanation

N/A

Q 5 - Consider the following statements:

1. Blood group ‘O’ can be given to anybody (irrespective of his/her blood group).

2. A person who has ‘O’ blood group is known as universal donor.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

Blood group ‘O’ has no antigen, hence it can be given to anyone.

Q 6 - Which among the following lichen grow on the rocks?

A - Crustose

B - Sexicoles

C - Sextiles

D - Foliose

Answer : B

Explanation

A saxicolous lichen normally grow on a barren rock.

Q 7 - …………. is an essential element for the blood clotting.

A - Vitamins

B - WBC

C - Blood platelets

D - Proteins

Answer : C

Explanation

The proteins collagen and thrombin help to induce platelets at the site of the injury, which ultimately help in blood clotting.

Answer : B

Explanation

N/A

Q 9 - ………… animal has no nervous system

A - Leech

B - Tapeworm

C - Amoeba

D - Snail

Answer : C

Explanation

Q 10 - Which among the following branches of botany studies timing of germination?

A - Phenology

B - Paleobotany

C - Palynology

D - Plant pathology

Answer : A

Explanation

N/A

Q 11 - Which among the following converts milk into curd?

A - Fungi

B - Bacteria

C - Virus

D - Fungi and Virus both

Answer : B

Explanation

N/A

Q 12 - The normal temperature of human body on the Kelvin scale is

A - 290

B - 200

C - 350

D - 310

Answer : D

Explanation

N/A

Q 13 - In reference to blood transfusion, which one of the following sets of blood groups is correct?

A - A and O (A donor)

B - B and A (B donor)

C - A and AB (A donor)

D - AB and O (AB donor)

Answer : C

Explanation

N/A

Q 14 - During the stress condition, the human body releases ………

A - Serotonin

B - Cortisol

C - Dopamine

D - Adrenaline

Answer : B

Explanation

Cortisol is also known as stress hormone.

Q 15 - Which among the following is the longest muscle?

A - Sartorius

B - Rectus femoris

C - Vastusmedialis

D - Vastuslateralis

Answer : A

Explanation

Sartorius is one of the thigh muscles.

Q 16 - BCG vaccine is taken to protect from …

A - Pneumonia

B - Polio

C - TB

D - Typhoid

Answer : C

Explanation

The full form of BCG is - Bacillus Calmette–Guérin.

Q 17 - Boomslang is one of the deadliest animal; it is a …

A - Snake

B - Fish

C - Amphibian

D - Insect

Answer : A

Explanation

It is also known as shy snake.

Q 18 - Pantothenic acid is the chemical name of …

A - Vitamin B9

B - Vitamin B5

C - Vitamin B6

D - Vitamin B7

Answer : B

Explanation

Vitamin B5 is soluble in water.

Q 19 - Consider the following statements:

1. Chromosomes are composed of DNA.

2. Chromosomes carry genetic information.

Choose the correct answer from the given codes:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 20 - Consider the following statements:

1. The thymus gland is comparatively large in a new-born baby.

2. At puberty, the thymus begins to shrink and becomes superfluous in adults.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

Thymus gland helps in producing lymphocytes that protect the baby from infections.


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