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.
Assertion : Size of breasts increases at puberty in human female.
Reason : Prolactin secretion starts at puberty.
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.
Assertion : During fertilization only head of spermatozoa enters egg.
Reason : If several spermatozoa hit the egg at same time, all can enter the egg.
Assertion : In morula stage, cells divide without increase in size.
Reason : Zona pellucida remain undivided till cleavage is complete.
Assertion : Holoblastic cleavage with almost equal sized blastomeres is a characteristic of placental animals.
Reason : Eggs of most mammals, including humans, are of centrolecithal type