Merobalstic cleavage is Incomplete

1.Merobalstic cleavage is
(a) Total
(b) Spiral
(c) Incomplete
(d) Horizontal
Answer: (c)

2.Menstrual phase is followed by
(a) Luteal phase
(b) Follicular phase
(c) Fertilization
(d) Implantation
Answer: (b)

3.Membrana granulose is
(a) a layer of columnar cells around ova
(b) corona radiata
(c) a part of zona pellucida
(d) multilayer of follicular cells around ova
Answer: (a)

4.Maturation of sperms occurs in
(a) Vasa deferentia
(b) Epididymes
(c) Rete testis
(d) Vasa efferentia
Answer: (b)

5.Mammary glands are modification of
(a) Sebaceous glands
(b) Sweat glands
(c) Meibomian glands
(d) None of the above
Answer: (a)

6.Location and secretion of Leydig cells are
(a) Liver - cholesterol
(b) Ovary - estrogen
(c) Testis - testosterone
(d) Pancreas - glucagon
Answer: (c)

7.Location and secretion of Leydig cells are
(a) Liver - Cholesterol
(b) Testis - Testosterone
(c) Ovary - Oestrogen
(d) Pancrease - Glucagon
Answer: (b)

8.Life expectancy of sperms in the female tract is
(a) 48 hrs
(b) 12 hrs
(c) 60 hrs
(d) 36 hrs
Answer: (a)

9.Levels of estrogen and progesterone are minimum at the time of
(a) on set of menstrual phase
(b) secretory phase
(c) ovulation
(d) follicular phase
Answer: (a)

10.Inability of sperm to fertilize ovum is termed as
(a) impotence
(b) sterility
(c) prostatomegaly
(d) none of the above
Answer: (b)

11.In the testis, primary germinal cells undergo mitotic divisions to produce
(a) spermatozoa
(b) primary spermatocyte
(c) spermatogonia
(d) secondary spermatocyte
Answer: (c)

12.In the absence of acrosome, the sperm
(a) cannot penetrate the egg
(b) cannot get food
(c) cannot get energy
(d) cannot swim
Answer: (a)

13.In telolecithal egg
(a) yolk is present in the centre
(b) yolk is unevenly distributed
(c) yolk is absent
(d) yolk is present all over the ovum
Answer: (b)

14.In Mammals the tests occur in scrotal sacs outside the viscera because of the
(a) Presence of urinary bladder
(b) Presence of rectum
(c) Long vas deferens
(d) Requirement of low temperature for spermatogenesis
Answer: (d)

15.In humans, spermatogenesis takes about
(a) 74 days
(b) 30 days
(c) 100 days
(d) 24 days
Answer: (a)

16.In humans, blastula is known as
(a) Trophoderm
(b) Blastocyst
(c) Foetal blastula
(d) Oolemma
Answer: (b)

17.In humans at the end of first meiotic dividion, the male germ cells differentiate into
(a) Spermatids
(b) Spermatogonia
(c) Primary spermatocytes
(d) Secondary spermatocytes
Answer: (d)

18.In human penis, urethra passes through
(a) Corpus cavernosum
(b) Corpus luteum
(c) Corpus spongiosum
(d) Corpus albicans
Answer: (c)

19.In human male, the unpaired structure is
(a) Testes
(b) Seminal vesicles
(c) Bulbourethal glands
(d) Prostate
Answer: (d)

20.In human beings the type of cleavage is
(a) Holoblastic and complete
(b) Meroblastic and incomplete
(c) Holoblastic and incomplete
(d) Meroblastic and complete
Answer: (a)