Chemical Constituents of Living Cells : Biomolecules-Structure and Function of Proteins, Carbodydrates, Lipids, Nucleic Acids; Enzymes-types, Properties, Enzyme Action, Classification and Nomenclature of Anzymes NEET Questions

Biology - Cell Structure and Function

Chemical Constituents of Living Cells : Biomolecules-Structure and Function of Proteins, Carbodydrates, Lipids, Nucleic Acids; Enzymes-types, Properties, Enzyme Action, Classification and Nomenclature of Anzymes MCQ Questions


7.
Which of the following is a coenzyme?
A.
ATP
B.
NAD+
C.
Glucose
D.
Heme
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ANSWER :
B. NAD+
8.
Which type of RNA carries amino acids to the ribosome during translation?
A.
mRNA
B.
tRNA
C.
rRNA
D.
siRNA
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ANSWER :
B. tRNA
9.
Which property of enzymes allows them to function efficiently at specific temperatures and pH levels?
A.
Specificity
B.
Denaturation
C.
Activation energy
D.
Optimum pH
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ANSWER :
A. Specificity
10.

The enzyme responsible for the synthesis of RNA from a DNA template is:

NEET - 2016

A.

RNA polymerase

B.

DNA polymerase

C.

Ligase

D.

Helicase

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ANSWER :

A. RNA polymerase

11.
Which type of lipid is the main component of biological membranes?
A.
Phospholipids
B.
Triglycerides
C.
Cholesterol
D.
Steroids
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ANSWER :
A. Phospholipids
12.
Which carbohydrate is a storage polysaccharide in animals?
A.
Glycogen
B.
Cellulose
C.
Starch
D.
Chitin
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ANSWER :
A. Glycogen