Biology 12 Chapter - 20 Reproduction - 18

Biology 12 Chapter - 20
Reproduction - 18

1. Sperm deformities may NOT involve sperm having…………?

a) Abnormal shape
b) One tail and no head
c) One tail and one head
d) Two tails and one head

2. The disorder in which antibodies of individual attack the tissue of its own body is called…………?

a) Syphilis
b) Gonorrhoea
c) Autoimmune disorder
d) AIDS

3. What does the speciality of medicine concerned with diseases of female reproductive system called?

a) Gynaecology
b) Teratology
c) Obstetrics
d) Dermatology

4. What does the speciality dealing with pregnancy and childbirth called?

a) Obstetrics
b) Teratology
c) Gynaecology
d) Dermatology

5. Which chemical is an example of endocrine disrupting contaminants (EDCs)?

a) LH
b) FSH
c) None of these
d) DDT

6. What are the effects of EDCs on hormones?

a) Affect their release from endocrine glands
b) Speed up their metabolism thus reduce their action
c) All of the above
d) Reduce their production in endocrine glands

7. What are the effects of EDCs on hormones?

a) All of the above
b) Copy or counteract their action at target tissues
c) Reduce their production in endocrine glands
d) Speed up their metabolism thus reduce their action

8. What are the causes of female infertility?

a) Endometriosis
b) Failure to ovulate
c) All of these
d) Uterus damage

9. What are the causes of female infertility?

a) Cervical mucus defect
b) All of these
c) Blocked fallopian tube
d) Endometriosis

10. What are the causes of failure to ovulate?a) Lack of FSH and LH
b) Lack of estrogen
c) All of the above
d) Lack of progesterone

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