Samacheer Kalvi 12th Bio Zoology Human Reproduction Questions - 1
Question: 1
The milk secreted by the mammary glands soon after child birth is called
(A) Colostrum
(B) Lactose
(C) Mucous
(D) All of these
Ans: A
Colostrum
Question: 2
An adult male produces an average of ______ sperms per day.
(A) 200 million
(B) 300 million
(C) 300 billion
(D) 120 million
Ans: A
200 million
Question: 3
The entire process of spermatogenesis takes about ______ days.
(A) 44 days
(B) 50 days
(C) 60 days
(D) 64 days
Ans: D
64 days
Question: 4
In embryo development of human beings, how long does it takes for a zygote to convert into morula?
(A) 24 hrs
(B) 36 hrs
(C) 48 hrs
(D) 72 hrs
Ans: D
72 hrs
Question: 5
The type of antibodies present in colostrum.
(A) IgE
(B) IgM
(C) IgA
(D) IgB
Ans: C
IgA
Question: 6
The Androgen Binding Protein (ABP) is produced by
(A) Sertoli cells
(B) Hypothalamus
(C) Leydig cells
(D) Pituitary gland
Ans: A
Sertoli cells
Question: 7
The male sex hormone testosterone is secreted from
(A) Leydig cell
(B) Sertoli cells
(C) Epididymis
(D) Prostate gland
Ans: A
Leydig cell
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