CBSE - Class 12 Biology Human Reproduction Worksheet
1.
Identify True/False statements. Correct each false statement to make it true. (b) Spermatozoa get nutrition from Sertoli cells. (True/False)
2.
Draw a labelled diagram of female reproductive system.
3.
Fill in the blanks: (a) Humans reproduce _____________ (asexually/sexually)
4.
Identify True/False statements. Correct each false statement to make it true. (f) Menstrual cycle ceases during pregnancy. (True/False)
5.
Fill in the blanks: (i) Fertilisation takes place in _____________
6.
Name the functions of the following: (a) Corpus luteum
7.
Identify True/False statements. Correct each false statement to make it true. (e) Oogenesis takes place in corpus luteum. (True/False)
8.
Fill in the blanks: (b) Humans are _____________ (oviparous, viviparous, ovoviviparous)
9.
Fill in the blanks: (g) Ovulation is induced by a hormone called _____________
10.
Draw a labelled diagram of a section through ovary.
11.
What is menstrual cycle? Which hormones regulate menstrual cycle?
12.
Fill in the blanks: (h) The fusion of male and female gametes is called _____________
13.
Draw a labelled diagram of a Graafian follicle?
14.
Identify True/False statements. Correct each false statement to make it true. (g) Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/False)
15.
Name the functions of the following: (e) Fimbriae
16.
In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?
17.
Fill in the blanks: (d) Male and female gametes are _____________ (diploid/haploid)
18.
Fill in the blanks: (e) Zygote is _____________ (diploid/haploid)
19.
Write two major functions each of testis and ovary.
20.
How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?
