Biology Online Quiz



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

Q 1 - Consider the following statements:

1. Hormones are chemical substances formed in an endocrine gland.

2. Endocrine gland is ductless glands.

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

Hormones are passed to specific tissue through the bloodstream.

Q 2 - Which among the following terms defines the scientific study of eye?

A - Odontology

B - Ophthalmology

C - Omithology

D - Osteology

Answer : B

Explanation

N/A

Q 4 - Consider the following statements:

1. Contraction of ventricles is known as systole.

2. Relaxation of ventricles is known as diastole.

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

N/A

Q 5 - The scientific study of flower is known as .

A - Anthology

B - Agrestology

C - Acarology

D - Polynology

Answer : A

Explanation

N/A

Answer : A

Explanation

N/A

Q 7 - Which among the following is a true fish?

A - Cray fish

B - Flying fish

C - Cuttlefish

D - Silver fish

Answer : B

Explanation

N/A

Q 8 - One gram of carbohydrate provides energy equivalent to

A - 4.2 cal

B - 2.4 cal

C - 1.4 cal

D - 5.7 cal

Answer : A

Explanation

N/A

Q 9 - The scientific study of grasses is known as

A - Anthology

B - Agrestology

C - Acarology

D - Palynology

Answer : B

Explanation

N/A

Q 10 - If the blood group of father is A and mothers is O, then which one of the following blood group is not possible in their children?

A - B

B - AB

C - O

D - A

Answer : C

Explanation

N/A

Q 11 - In which part of the body, lungs are situated?

A - Stomach

B - Pericardial cavity

C - Thoracic cavity

D - Abdominal cavity

Answer : C

Explanation

N/A

Q 12 - Which among the following sequester waste products?

A - Vacuoles

B - Peroxisomes

C - Ribosome

D - Centrosome

Answer : A

Explanation

Vacuoles are often described as liquid filled space and are surrounded by a membrane.

Q 13 - Which among the following is largest gland in a human body?

A - Liver

B - Heart

C - Kidney

D - Lung

Answer : A

Explanation

Liver is also largest internal organ in a human body.

Answer : D

Explanation

N/A

Q 15 - Consider the following statements:

1. Nucleolus is found in cytoplasm.

2. Nucleolus contains RNA.

Choose the correct answer from the given codes:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : B

Explanation

Nucleolus is found in nucleoplasm.

Q 16 - Excessive deposition of mercury in a human body causes

A - Minamata

B - Malaria

C - Kala Azar

D - Memory loss

Answer : A

Explanation

Minamata is a neurological syndrome.

Q 17 - Who among the following is known as the father of Botany?

A - Hippocrates

B - Aristotle

C - Theophrastus

D - Robert Hook

Answer : C

Explanation

Theophrastus is known as the father of Botany and Ecology.

Q 18 - Consider the following statements:

1. Eukaryotes cells were the first form of life on the Earth.

2. The nuclear region in the cytoplasm of prokaryotic cell is called as the nucleoid.

Choose the correct answer from the given codes:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : B

Explanation

Prokaryotic cells were the first form of life on the Earth.

Q 19 - Leishmania the causative factor of Kalazar, multiplies asexually through the process

A - Budding

B - Binary fission

C - Multiple fission

D - Sporogonialy

Answer : B

Explanation

An infection caused by leishmania parasites spreads through sandflies.

Q 20 - Consider the following statements:

1. Cells are of two types, eukaryotic and prokaryotic.

2. Plants consist eukaryotic cells and animals consist prokaryotic cells.

Choose the correct answer from the given codes:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : A

Explanation

Prokaryotes are single-celled, while eukaryotes can be either single-celled or multicellular.

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