Biology Questions

Q:

In plants, exchange of gases takes place through

A) Stomata B) Palisade tissue
C) Spongy tissue D) mid rib
 
Answer & Explanation Answer: A) Stomata

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17 4896
Q:

The Vitamin required for the synthesis of nucleic acid is

A) Tocoferorl B) Folic acid
C) Cyanocobalamine D) Riboflavin
 
Answer & Explanation Answer: B) Folic acid

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18 4886
Q:

Monocarpic plants are those that produce fruits ...............during the life of the plant

A) once B) thrice
C) many times D) twice
 
Answer & Explanation Answer: A) once

Explanation:

Plants are of different types. Some grow well and then produce fruits before they die. In other words they fruit only once in their life. Such plants are said to be monocarpic. Other plants produce fruits every season. These are called polycarpic plants.

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26 4849
Q:

In diseases like Polio, the cells that get destroyed by virus, are

A) Monocytes B) Erythrocytes
C) Motor neurons D) Sensory neurons
 
Answer & Explanation Answer: C) Motor neurons

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12 4778
Q:

Which of the following is an Autotroph?

A) Fish B) Algae
C) Butterfly D) Mushroom
 
Answer & Explanation Answer: B) Algae

Explanation:

Here from the above options, Algae is an Autotroph.

Autotrophs : 

An Autotroph is also called as Producer, is an organism that produces complex organic compounds from simple substances present in its surroundings, generally using energy from light or inorganic chemical reactions.

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18 4745
Q:

Lathyrism is caused by excess consumption of.......

A) Khesari Dal B) Mustard oil
C) Mushrooms D) Polished rice
 
Answer & Explanation Answer: A) Khesari Dal

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14 4635
Q:

Cutaneous respiration occurs in

A) Cockroach B) Salamander
C) Crab D) Parrot
 
Answer & Explanation Answer: B) Salamander

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28 4607
Q:

Branch of agriculture concerned with the production of crops

A) Agrotology B) Agronomy
C) Agrostology D) Anthropology
 
Answer & Explanation Answer: B) Agronomy

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19 4601