1250+ Interesting Biology Questions Answers MCQ

Q:

Statement I :

A person may suffer from tuberculosis if she/he frequently visits crowded place.

Statement II :

Bacteria of tuberculosis spread through droplets by sneezing or coughing.

A) Both the statements are individually true and Statement II is the correct explanation of Statement I	B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
C) Statement I is true but Statement II is false	D) Statement I is false but Statement II is true

Answer & Explanation Answer: D) Statement I is false but Statement II is true

Explanation:

Tuberculosis (TB) is caused by a type of bacterium called Mycobacterium tuberculosis.

It's spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria.

One would have to spend prolonged periods (several hours) in close contact with an infected person to catch the infection yourself.For example, TB infections usually spread between family members who live in the same house. It would be highly unlikely for you to become infected by sitting next to an infected person on a bus or train. Hence, statement 1 is incorrect.

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Q:

What is the basis of classifying various plant tissues as meristematic tissue and permanent tissue?

A) Size	B) Dividing capacity
C) Location	D) No option is correct

Answer & Explanation Answer: B) Dividing capacity

Explanation:

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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

Answer & Explanation Answer: C) Thallophyta

Explanation:

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Q:

13 - Chambered heart occurs in

A) Leech	B) Earthworm
C) Snail	D) Cockroach

Answer & Explanation Answer: D) Cockroach

Explanation:

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Q:

Cultural transmission refers to the process of ______

A) cultural patterns moving from one society to another	B) using the oral tradition
C) passing cultural patterns from one generation to another	D) using writing to enshrine cultural patterns

Answer & Explanation Answer: C) passing cultural patterns from one generation to another

Explanation:

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Q:

What is the process of production of ovum in the females called?

A) Adolescence	B) Menarche
C) Oogenesis	D) Menstruation

Answer & Explanation Answer: C) Oogenesis

Explanation:

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Q:

The corner of the cells of collenchyma tissue in plant are thickened due to deposition of _____

A) Lignin and suberin	B) Suberin and cutin
C) Cellulose and pectin	D) Chitin and lignin

Answer & Explanation Answer: C) Cellulose and pectin

Explanation:

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Q:

Which of the following statement(s) is/are CORRECT?

I. Oils containing unsaturated fatty acids should be used for cooking.

II Animal fats have saturated carbon chains.

III. Saturated fatty acids are generally harmful for health.

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

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