Botany-Cell Theory

NEET Botany Cell Theory MCQ Question

Type: MCQ-numerical-Hard-Class 11

Considering the approximate length of DNA in a single human cell is 2 meters, what is the total length of DNA in all 46 chromosomes of a human somatic cell in micrometers?

A

2,000,000 micrometers

B

200,000 micrometers

C

20,000 micrometers

D

200,000,000 micrometers

Correct Answer

Option A

Detailed Explanation

The NCERT states that a single human cell has approximately 2 meters of DNA. Since 1 meter equals 1,000,000 micrometers, 2 meters would be 2,000,000 micrometers. This length of DNA is distributed among 46 chromosomes in a human somatic cell.

Found an issue with this question?