High-pitched voice is a characteristic of which of the following?
- AMiddle-aged person
- BAdult male
- CBoys
- DFemale
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Which two events in the life cycle maintain the same (constant) number of chromosomes?
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View SolutionWhat is the type of egg found in birds?
Easy
View SolutionMatch the organs / parts of the human reproductive system in Column $I$ with the respective hormone / enzyme secreted by them in Column $II$.
Column $I$ Column $II$ $i$. Prostate gland $a$. Hyaluronidase $ii$. Acrosome of sperm $b$. Inhibin $iii$. Corpus luteum $c$. Acid phosphatase $iv$. Placenta $d$. Human Chorionic Gonadotropin
| Column $I$ | Column $II$ |
| $i$. Prostate gland | $a$. Hyaluronidase |
| $ii$. Acrosome of sperm | $b$. Inhibin |
| $iii$. Corpus luteum | $c$. Acid phosphatase |
| $iv$. Placenta | $d$. Human Chorionic Gonadotropin |
Secretion of large quantities of estrogen causes:
Medium
View SolutionMatch the columns.
Column $I$ Column $II$ $(a)$ Corpus luteum $(1)$ Initially in abdominal cavity then in scrotum $(b)$ Testis $(2)$ At the anterior part of scrotum in male $(c)$ Myometrium $(3)$ Graafian follicle $(d)$ Penis $(4)$ Uterus
| Column $I$ | Column $II$ |
|---|---|
| $(a)$ Corpus luteum | $(1)$ Initially in abdominal cavity then in scrotum |
| $(b)$ Testis | $(2)$ At the anterior part of scrotum in male |
| $(c)$ Myometrium | $(3)$ Graafian follicle |
| $(d)$ Penis | $(4)$ Uterus |
Easy
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