Assertion   :       Urethra in human male acts as urinogenital canal.

Reason      :       Urethra carries only urine while sperms are carried by vasa deferentia only.

1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
3. If the assertion is true but the reason is false
4. If both the assertion and reason are false

Assertion   :       Penis of male is homologous to clitoris of human female.

Reason      :       Both are highly sensitive and both supported by corpora cavernosa.

Assertion   :       At puberty, human male develops secondary sexual characters.

Reason      :       At puberty, there is decreased secretion of testosterone in male.

Assertion   :       Fallopian funnel of oviduct is with finger-like fimbriae.

Reason      :       Graafian follicle of ovary is with secondary oocyte hanging in cavity called antrum.

Assertion   :       Corpus luteum degenerates if the ovum remains unfertilized.

Reason      :       Corpus luteum secretes progesterone which maintains the pregnancy.

In the following questions, a statement of assertion (A) is followed by a statement of reason (R)

Assertion   :       Vagina acts as copulation canal and fertilization canal.

Reason      :       Both insemination and fusion of gametes occur in vagina of female.

Assertion   :       In human male, there are perianal glands near the anus.

Reason      :       Perianal glands secretes sex-attractant pheromone which initiates sexual desire in human female.

Assertion   :       Primary spermatocytes of testes are haploid.

Reason      :       Primary spermatocytes are formed by meiosis-I in the spermatogonia.

Assertion   :       Spermiation is the transformation of spermatid into sperm.

Reason      :       During spermiation, sperms get nutrition from sertioli cells.