1250+ Interesting Biology Questions Answers MCQ

Q:

Which is the longest part of alimentary canal?

A) Oesophagus	B) Small intestine
C) Large intestine	D) Buccul cavity

Answer & Explanation Answer: B) Small intestine

Explanation:

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Q:

Which method for treating arthritis is an example of pseudoscience?

A) diet	B) drugs
C) exercise	D) magnets

Answer & Explanation Answer: D) magnets

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Q:

What are the products formed during photosynthesis?

A) Glucose, Water and Oxygen	B) Glucose and Oxygen
C) Starch and Oxygen	D) Starch, Water and Oxygen

Answer & Explanation Answer: A) Glucose, Water and Oxygen

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Q:

Which of the following cells do not contain nucleus?

1. Root hair cells

2. Red blood cells

3. Platelets

4. Monocytes

Select the correct answer using the code given below.

A) 1 only	B) 2 and 3 only
C) 1, 2 and 4	D) 2, 3 and 4

Answer & Explanation Answer: B) 2 and 3 only

Explanation:

The absence of a nucleus is an adaptation of the red blood cell for its role. It allows the red bloodcell to contain more haemoglobin and, therefore, carry more oxygen moleculesLike red cells, platelets (thrombocytes) have no nucleus.Monocytes have a small spherical nucleus and has abundant dark staining condensed chromatin.There are 5 organelles found in a root hair cell. They are the: nucleus, cytoplasm, cell membrane, cell wall and vacuole.

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Q:

Which among the following constituents of xylem is/are tubular structure(s)?

I. Tracheids

II. Vessels

III. Xylem fibres

A) Only I	B) Only II
C) Only I and II	D) All I, II and III

Answer & Explanation Answer: C) Only I and II

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Q:

Who coined the term ‘protoplasm’ for the fluid substance of the cell?

A) Robert Hooke	B) Robert Brown
C) J.E Purkinje	D) M. Schleiden

Answer & Explanation Answer: C) J.E Purkinje

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Q:

Which blood type contains the a antigen only?

A) Blood type B	B) Blood type A
C) Blood type O	D) All blood types

Answer & Explanation Answer: B) Blood type A

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Q:

Fill in the blank with the most appropriate option.

Plants that do not have a differentiated plant body belong to the group _____

A) Bryophyta	B) Phanerogams
C) Thallophyta	D) Pteridophyta

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