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Biology - General Knowledge Objective Questions

51

Identical twins are born, when

A.

Two sperms fertilize one ovum

B.

Two sperms fertilize two ova

C.

One sperm fertilize one ovum. Zygote cleaves into two cells that develop independently

D.

One sperm fertilize one ovum

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

No explanation available. Let's Discuss

 
52

out of proteins, lipids and carbohydrates present in a cell membrane, what is true?

A.

Carbohydrates are maximum

B.

Lipids are maximum

C.

Carbohydrates are minimum

D.

All three are in equal proportion

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

No explanation available. Let's Discuss

 
53

The food which gives an athelete instant energy is

A.

Butter

B.

Glucose

C.

Vitamin

D.

Protein

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Correct answer is : A
Explanation

No explanation available. Let's Discuss

 
54

Potato is a modified form (outgrowth) of

A.

stem

B.

root

C.

leaf

D.

fruit

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

No explanation available. Let's Discuss

 
55

DNA structure was first described by

A.

Lederberg

B.

Catcheside

C.

Watson and Crick

D.

Nirenberg

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

No explanation available. Let's Discuss

 
 

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