NEET2022Botany-Molecular Basis of Inheritance

NEET 2022 Botany DNA Structure MCQ Question

Type: MCQ-numerical-Medium-Class 12

If the length of a DNA molecule is 1.1 metres, what will be the approximate number of base pairs?

A

3.3 × 10⁶ bp

B

6.6 × 10⁶ bp

C

3.3 × 10⁹ bp

D

6.6 × 10⁹ bp

Correct Answer

Option C

Detailed Explanation

The length of DNA is calculated using the formula: length = number of base pairs × 0.34 nₘ. For 1.1 meters, the number of base pairs is approximately 3.3 × 10⁹.

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