What is lactation ?

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 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 22

Which of the following cells present in mammalian testes help to nourish sperms ?

MEDIUM

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 23

Middle piece of a mammalian sperm contains-

MEDIUM

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 24

Acrosome is present in-

EASY

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 25

Antrum is cavity of-

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-

HARD

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 27

Write about microgametogenesis.