Class 11

27. ⁠Biomolecules question bank (Chemistry)

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Q1.

The nitrogenous base having two possible hydrogen bonding sites is –

(A)
Thymine
(B)
Cytosine
(C)
Guanine
(D)
None
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Q2.

The correct statement in respect of protein haemoglobin is that it –

(A)
Maintains blood sugar level
(B)
Acts as an oxygen carrier in the blood
(C)
Forms antibodies and offers resistance to diseases
(D)
Acts as a catalyst for biological reactions
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