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


1.
Which of the following biomolecules is the primary energy source for cellular activities?
A.
Carbohydrates
B.
Proteins
C.
Lipids
D.
Nucleic acids
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ANSWER :
A. Carbohydrates
2.
Proteins are polymers of which monomers?
A.
Amino acids
B.
Nucleotides
C.
Monosaccharides
D.
Fatty acids
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ANSWER :
A. Amino acids
3.
Which type of bond holds the two strands of DNA together?
A.
Hydrogen bonds
B.
Ionic bonds
C.
Covalent bonds
D.
Disulfide bonds
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ANSWER :
A. Hydrogen bonds
4.
Which biomolecule serves as the primary structural component of cell membranes?
A.
Proteins
B.
Carbohydrates
C.
Nucleic acids
D.
Lipids
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ANSWER :
B. Carbohydrates
5.

Which of the following is NOT a function of lipids?

NEET - 2025

A.

Energy storage

B.

Insulation

C.

Genetic information storage

D.

Hormone production

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ANSWER :

C. Genetic information storage

6.
Which enzyme is responsible for breaking down starch into maltose?
A.
Amylase
B.
Pepsin
C.
Lipase
D.
Sucrase
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ANSWER :
A. Amylase