HARD
12th Bihar Board
IMPORTANT
Earn 100

Describe the structure of mammary gland with well labelled diagram.

Important Questions on Human Reproduction

EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 11
Which one of these is haploid ?
MEDIUM
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 12
Draw a labelled diagram of sperm.
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-
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 15
The chromosomes found in sperms-
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-
MEDIUM
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 17
Male germinal cells are-
HARD
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Bihar Board-2020>Q 18
What are the hormones secreted by placenta ?