41.
The cellular layer that disintegrates and regenerates again and again in humans is
A
Endometrium of utenus
B
Cornea of eye
C
Dermis of skin
D
Endothelium of bliood vessels
Answer :
Endometrium of utenus
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
42.
In a vertebrate which germ layer forms the skeletal muscles
A
Ectoderm
B
Endedem
C
Mesoderm
D
Both A and B
Answer :
Mesoderm
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
43.
"Spermiogesis" is a process in which
A
Spermatids change into spermatozoa
B
Spermatogonia produce a psermatid
C
Spermatocytes give rise to spermatozoa
D
Dormant spermatozoa become active just before ejaculation
Answer :
Spermatids change into spermatozoa
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
44.
Grey crescent in fertilized frog's egg is the area
A
At the point of the entry of sperm into ovum
B
At the vegetal pole
C
At the animal pole
D
None of the above
Answer :
None of the above
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
45.
Mammalian eggs have
A
No yolk at all
B
Small amount of yolk
C
Large amount of yolk
D
Large amount of yolk
Answer :
Small amount of yolk
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
46.
In rabbit at the time of fertilization zygote is formed in
A
Coelom
B
Fallopian tube
C
Uterus
D
Vagina
Answer :
Fallopian tube
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
47.
Antrum is cavity for
A
Ovary
B
Graafian follicle
C
Blastula
D
Gastrula
Answer :
Graafian follicle
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
48.
What is the oligospermia condition
A
If sperm count is 40 to 120 milion/ ml
B
If sperm count is <20 million/ml
C
If sperm count is <60 million/Ejaculation
D
If sperm count is 20 million to 40 million/ ml
Answer :
If sperm count is <20 million/ml
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
49.
What will happen to spermatozoa at 0?c temperature
A
All sperm will die
B
There will be no change
C
They will become inactive temporarily
D
Tails will be lost
Answer :
They will become inactive temporarily
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
50.
Vasa- efferentia possess
A
Peristalsis
B
Secretory cells
C
Ciliated cells
D
Opening for seminal vasicle
Answer :
Ciliated cells
Discuss Question
No explanation is given for this question. Let's discuss the answer together.