Search Placementyogi.com
 

Biology - General Knowledge Objective Questions

21

Nitrogen fixation is generally brought about by

A.

Fungi

B.

Bacteria

C.

Algae

D.

Bacteria and blue-green alga

See Answer & Explanation Lets Discuss
Correct answer is : B
Explanation

No explanation available. Let's Discuss

 
22

Plants absorb most part of water needed by them through their

A.

zone of elongation

B.

embryonic zone

C.

growing point

D.

root hairs

See Answer & Explanation Lets Discuss
Correct answer is : D
Explanation

No explanation available. Let's Discuss

 
23

The process of transfer of desirable character from one species to other is known as

A.

Hybridization

B.

Emasculation

C.

Selection

D.

Introduction

See Answer & Explanation Lets Discuss
Correct answer is : D
Explanation

No explanation available. Let's Discuss

 
24

Prokaryotic cells lack

A.

nuclear membrane

B.

membrane bound by organelles

C.

nucleolus

D.

All of these

See Answer & Explanation Lets Discuss
Correct answer is : D
Explanation

No explanation available. Let's Discuss

 
25

Mycotoxins are pollutants because they affect most commonly

A.

Air

B.

Water

C.

Soil

D.

Food

See Answer & Explanation Lets Discuss
Correct answer is : C
Explanation

No explanation available. Let's Discuss

 
 

Banner to LogicGuns.com

Hide Page Information