(B) Precocious puberty refers to the onset of secondary sexual characteristics at an age significantly earlier than the normal range for puberty (typi

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Puberty attained before the normal age

(B) Precocious puberty refers to the onset of secondary sexual characteristics at an age significantly earlier than the normal range for puberty (typically before age $8$ in girls and before age $9$ in boys).It involves the premature activation of the hypothalamic-pituitary-gonadal axis,leading to early physical maturation.

Class 12 Biology Human Reproduction Mix Examples-Human Reproduction

Easy

Precocious puberty is defined as:

A
Delayed puberty
B
Puberty attained before the normal age
C
Normal puberty
D
None of these

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Class 12 Questions

Class 12

Biology Questions

Chapter

Human Reproduction

Subtopic

Mix Examples-Human Reproduction

Match the columns.

Column $I$ Column $II$

$(a)$ Mons pubis $(1)$ Embryo development

$(b)$ Antrum $(2)$ Sperm cell

$(c)$ Trophoblast layer $(3)$ External genitals of female

$(d)$ Mitochondria $(4)$ Graafian follicle

Column $I$	Column $II$
$(a)$ Mons pubis	$(1)$ Embryo development
$(b)$ Antrum	$(2)$ Sperm cell
$(c)$ Trophoblast layer	$(3)$ External genitals of female
$(d)$ Mitochondria	$(4)$ Graafian follicle

Easy

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$A$: Inhibin is secreted by the corpus luteum.
$R$: They inhibit the $FSH$ and $GnRH$ production.

Medium

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Explain the primary concept of the male and female reproductive systems.

Medium

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Which two events in the life cycle maintain the same (constant) number of chromosomes?

Medium

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Match the columns.
Column $I$ Column $II$
$(a)$ Testis and ovary $(1)$ Part of reproductive organ that transports germ cells
$(b)$ Clitoris $(2)$ Developing fleshy fold surrounding both sides of the urogenital groove
$(c)$ Oviduct $(3)$ Gametes which produce germ cells
$(d)$ Scrotum,labium majora $(4)$ Organs associated with sexual response

Medium

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Column $I$	Column $II$
$(a)$ Testis and ovary	$(1)$ Part of reproductive organ that transports germ cells
$(b)$ Clitoris	$(2)$ Developing fleshy fold surrounding both sides of the urogenital groove
$(c)$ Oviduct	$(3)$ Gametes which produce germ cells
$(d)$ Scrotum,labium majora	$(4)$ Organs associated with sexual response

Precocious puberty is defined as:

Similar Questions

Match the columns. Column $I$ Column $II$ $(a)$ Mons pubis $(1)$ Embryo development $(b)$ Antrum $(2)$ Sperm cell $(c)$ Trophoblast layer $(3)$ External genitals of female $(d)$ Mitochondria $(4)$ Graafian follicle

$A$: Inhibin is secreted by the corpus luteum.$R$: They inhibit the $FSH$ and $GnRH$ production.

Explain the primary concept of the male and female reproductive systems.

Which two events in the life cycle maintain the same (constant) number of chromosomes?

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Match the columns.

Column $I$ Column $II$

$(a)$ Mons pubis $(1)$ Embryo development

$(b)$ Antrum $(2)$ Sperm cell

$(c)$ Trophoblast layer $(3)$ External genitals of female

$(d)$ Mitochondria $(4)$ Graafian follicle

$A$: Inhibin is secreted by the corpus luteum.
$R$: They inhibit the $FSH$ and $GnRH$ production.