>
Exams
>
Science
>
Heredity and Evolution
>
the number of pairs of autosomes in humans is
Question:
The number of pairs of autosomes in humans is:
Show Hint
In humans, 22 pairs of chromosomes are autosomes, and the 23rd pair are sex chromosomes.
Bihar Board X - 2024
Bihar Board X
Updated On:
Oct 28, 2025
24
23
11
22
Hide Solution
Verified By Collegedunia
The Correct Option is
D
Solution and Explanation
Humans have 23 pairs of chromosomes, out of which 22 pairs are autosomes, and the remaining pair are sex chromosomes (XX or XY).
Download Solution in PDF
Was this answer helpful?
0
0
Top Bihar Class X Board Science Questions
What are the laws of reflection and refraction?
Bihar Board X - 2026
Science
Light
View Solution
Differentiate between real and virtual images.
Bihar Board X - 2026
Science
Light
View Solution
Explain the causes and correction methods (with diagrams) for Hypermetropia (long-sightedness) and Myopia.
Bihar Board X - 2026
Science
Defects Of Vision And Their Correction
View Solution
Learn the chemical differences between metals and non-metals.
Bihar Board X - 2026
Science
Metals and Non-Metals
View Solution
Which of the following statements is true?
Bihar Board X - 2026
Science
Electricity
View Solution
View More Questions
Top Bihar Class X Board Heredity and Evolution Questions
How is DNA the basis of heredity ?
Bihar Board X - 2025
Science
Heredity and Evolution
View Solution
The genetic structure of an organism is called
Bihar Board X - 2025
Science
Heredity and Evolution
View Solution
The evolution of organisms by natural selection is called
Bihar Board X - 2025
Science
Heredity and Evolution
View Solution
What is the meaning of atavism ?
Bihar Board X - 2025
Science
Heredity and Evolution
View Solution
The place of origin of humans is:
Bihar Board X - 2024
Science
Heredity and Evolution
View Solution
View More Questions
Top Bihar Class X Board Questions
Why is sports important for children?
Bihar Board X - 2026
Food and Nutrition
View Solution
Which of the following is a family budget?
Bihar Board X - 2026
Home Science
View Solution
Which of the following is an excretory organ of the human body?
Bihar Board X - 2026
Biology
View Solution
What should be the quality of a first aider ?
Bihar Board X - 2026
Home Science
View Solution
Which disease is caused by iron deficiency?
Bihar Board X - 2026
Food and Nutrition
View Solution
View More Questions