MEDIUM
12th ICSE
IMPORTANT
Earn 100

Differentiate between primary and secondary sex organs.

Important Questions on Human Reproduction

MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 3 - Human Reproduction>Chapter Practice>Q 21
Mention the target cells of luteinizing hormone in human males.
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 3 - Human Reproduction>Chapter Practice>Q 21
Distinguish between spermatocytes and oocytes.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 3 - Human Reproduction>Chapter Practice>Q 22
Explain the following term. 
Labia majora.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 3 - Human Reproduction>Chapter Practice>Q 22
Explain the following term.  LH surge.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 3 - Human Reproduction>Chapter Practice>Q 22
Explain the following term.
Blastocyst.
HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 3 - Human Reproduction>Chapter Practice>Q 23
Differentiate between zona pellucida and corona radiata.
HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 3 - Human Reproduction>Chapter Practice>Q 24
Various events occur up to the implantation of the blastocyst in the uterus. State them sequentially.
HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 3 - Human Reproduction>Chapter Practice>Q 25
What are the major changes that take place in the foetus during second trimester of the pregnancy?