Biology
1. Expand MTP and ICSI. (1)
2. Why is emasculation done
in the process of hybridization? (1)
3. State the function of
leydig cells. (1)
4. Write the scientific name
of causative agents of :--
i)
Syphillis ii) Gonorrhoea. [1]
5. Mention the different
stages of sexual reproduction. (2)
6. Describe the structure of
a sperm with a diagram. (2)
7. What are STDs? Mention
any two of it. (2)
8. Draw a labeled diagram of
mature embryo sac & label the following
i)
Egg cell ii) Antipodal cells iii) Synergids iv) Polar nuclei (2)
9. What are cleistogamous
flowers? Can cross – pollination occurs in
cleistogamous flowers. Give reason? [2]
10.
What is corpus luteum. How dose it functions as endocrine gland? [2]
11.
Mention any four objectives of RCHC. [2]
12.
Briefly describe the stages of spermatogenesis in human? [3]
13.
What is triple fusion? Where does it occur? (3)
14.
Give any three differences between asexual and sexual reproduction.
(3)
15.
List any three differences between wind pollinated flower & insect
–
pollinated flower. (3)
