Read the following statements carefully.
a. Humans are sexually reproducing and viviparous.
b. The ovaries in human females produce only hormones.
c. The mammary glands are one of the female secondary sexual characters.
d. A normal human sperm is composed of a head, neck, and middle piece only.
How many of the above statements are true with respect to the human reproductive system?
1. 1
2. 3
3. 2
4. 4
Subtopic:  Introduction | Spermiogenesis/Sperm Structure/Hormonal Regulation | Mammary Gland & Lactation | Female Reproductive System-1 | Female Reproductive System-2 |
 65%
From NCERT
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Match column-I with column-II and choose the correct option:
Column-I Column-II
a. Milk (i) Spermatids are transformed into
spermatozoa
b. Primary spermatocyte (ii) Stored in the cavity of alveoli
c. Spermiogenesis (iii) First menstruation begins at puberty
d. Menarche (iv) Periodically undergo meiosis
    a      b   c   d
1. (i)   (ii) (iii) (iv)
2. (ii)  (iv) (i) (iii)
3. (ii)  (iv) (iii) (i)
4. (ii)  (iii) (iv) (i)
Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation | Mammary Gland & Lactation |
 94%
From NCERT
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Read the following statements carefully and choose the option with only correct statements.
(a) Spermatogonia produce sperm cells by spermatogenesis that begins at puberty.
(b) All spermatogonia periodically undergo meiosis.
(c) A primary spermatocyte completes first meiotic division during embryonic development.
(d) The secondary spermatocytes have only 23 chromosomes each.

1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (d)
Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
 82%
From NCERT
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