Biology Class 11 Chapter 2 - Biological Molecules - Part 4

Biology Class 11 Chapter 2 - Biological Molecules - Part 4

1. Nucleotide contain:

a) Sugar, Nitrogen base and Sulpur.
b) Sugar, a nitrogen - containing base and a phosphate molecule
c) Monomer for fat and Polysaccharide
d) Sugar, Glycerol and Phasphate

2. ATP:

a) Has a helical Structure.
b) Is an amino acid.
c) Provide enzyme for metabolism.
d) Is a high - energy molecule.

3. A hormone is an example of which functional class of proteins.

a) Regulatory
b) Catalytic
c) Contractile
d) Structural

4. The Sugar found in R.N.A. is:

a) Galactose
b) Fructose
c) Ribose
d) Deoxyribose

5. Steroid are classified as:

a) Lipids
b) Protein
c) Carbohydrate
d) Nucleic acid

6. Hemoglobin is an example of which functional class of protein:

a) Regulatory
b) Contractile
c) Transport
d) Structural

7. In R.N.A. the Nitrogen base that takes the place of thymine is:

a) Adenine
b) Guanine
c) Cytosine
d) Uracil

8. Which of the following represent accurate pairing in D.N.A. molecules.

a) Adenine to cytosine and guanine to thymine.
b) Adenine to uracil and cytosine to guanine
c) Adenine to adenine and guanine to guanine
d) Adenine to thymine and cytosine to guanue.

This is more feedback!

This is the feedback!