Biology Questions

Q:

Which type of permanent tissue helps the aquatic plants to float?

A) Aerenchyma B) Collenchyma
C) Sclerenchyma D) No option is correct
 
Answer & Explanation Answer: A) Aerenchyma

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3 1402
Q:

__________________ is a leaf where the leaflets are arranged along the middle vein.

A) Pinnately compound leaf B) Palmately compound leaf
C) Compound leaf D) Simple leaf
 
Answer & Explanation Answer: A) Pinnately compound leaf

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Q:

Majority of the fungal bionts of lichens belong to

A) Baridiomycetes B) Ascomycetes
C) Gomycetes D) Deuteromycetes
 
Answer & Explanation Answer: B) Ascomycetes

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Q:

Molecular clocks are based on the idea that _____.

A) On average neutral mutations arise at a constant rate B) Directional selection occurs at a constant rate
C) Mutations occur once every generation D) Molecules resonate at a certain frequency that can be measured
 
Answer & Explanation Answer: C) Mutations occur once every generation

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Q:

What is commonly known as 'white plague'?

A) Typhoid B) Malaria
C) Tuberculosis D) Plague
 
Answer & Explanation Answer: C) Tuberculosis

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Q:

Which of the following relation is true regarding the amounts of genetic material contributed by the father and mother to the child?

A) Father >> Mother B) Father << Mother
C) Father = Mother D) No relation can be determined
 
Answer & Explanation Answer: C) Father = Mother

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Q:

Which type of pathogen causes the water-borne disease Typhoid fever?

A) Algal B) Parasitic
C) Protozoan D) Bacterial
 
Answer & Explanation Answer: D) Bacterial

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Q:

In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.

A) organ B) open
C) closed D) coelom
 
Answer & Explanation Answer: A) organ

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