HARD
12th Odisha Board
IMPORTANT
Earn 100

Name the fertilizin-antifertilizin reaction that stops the march of many sperms towards the egg.

Important Questions on Human Reproduction

HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 3 - Human Reproduction>SAMPLE QUESTIONS>Q 3

The penetration of the spermatozoon into the egg sets in a reaction in the cortical cytoplasm, which results in the formation of a fertilization membrane. The reaction is known as ?

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 3 - Human Reproduction>SAMPLE QUESTIONS>Q 1
What are the disadvantages of asexual reproduction?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 3 - Human Reproduction>SAMPLE QUESTIONS>Q 1
Explain sexual dimorphism.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 3 - Human Reproduction>SAMPLE QUESTIONS>Q 1
How do gametes acquire haploid number of chromosomes?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 3 - Human Reproduction>SAMPLE QUESTIONS>Q 1
Is a Y chromosome essential for the development of testis in human? Explain.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 3 - Human Reproduction>SAMPLE QUESTIONS>Q 1
What is the role of antimullerian hormone? Where is it secreted from?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 3 - Human Reproduction>SAMPLE QUESTIONS>Q 1
Explain, what is puberty.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Biology Class 12>Chapter 3 - Human Reproduction>SAMPLE QUESTIONS>Q 1
Name two gonadotropins. Where are these secreted from?