Draw a labelled diagram of sperm.

Important Questions on Human Reproduction

HARD

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 13

Describe the structure of seminiferous tubules with diagram.

MEDIUM

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 14

By the end of the second month of pregnancy, the foetus develops-

HARD

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 16

Relaxin is secreted from-

HARD

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 20

Draw the diagram of female reproductive system with well labelled organs. (Diagrammatic sectional view)

HARD

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 21

What are the major features of embryonic development during various months of pregnancy.

EASY

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 26

Ovulation is induced by a hormone called-

MEDIUM

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 28

Sertoli cells are regulated by the hormone-

EASY

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 29

Spermiation is the process of the release of sperms from-