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प्रश्न
A and B are two pairs of glands that are present in the human endocrine system. The pair A is found only in females, whereas B is present only in males. Glands A make and secrete two hormones C and D, whereas glands B make and secrete only one hormone E. In addition to hormones, Glands A make gametes F, whereas glands B make gametes G.
(a) What are the glands A?
(b) What are the hormones C and D?
(c) What are the glands B? Name the hormone E.
(d) What are the gametes F and G?
(e) Which event in the life of males and females is associated with the secretion of the hormones C, D and E?
उत्तर
- The glands A are the ovaries.
- The hormones C and D, secreted by the ovaries, are oestrogen and progesterone, respectively.
- The glands B are the testes. The hormone E, released by the testes, is testosterone.
- (i) The gametes F are ova or eggs. They are produced by the ovaries.
- The secretion of hormones C (oestrogen) and D (progesterone) in females and hormone E (testosterone) in males are associated with puberty.
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संबंधित प्रश्न
Name the hormones secreted by the given endocrine glands and specify one function.
Thyroid
Where are hormones made in the human body?
Name one gland which acts only as an endocrine gland.
Fill in the following blanks with suitable words :
The two examples of effectors are .........and ...........
Name the hormones secreted by given endocrine glands:
Adrenal glands
State the functions of Growth hormone.
How do hormones reach the organs they control?
The hormone which is associated with male puberty is called :
(a) oestrogen
(b) adrenaline
(c) testosterone
(d) progesterone
The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is :
(a) thyroid
(b) pineal
(c) adrenal
(d) pituitary
Which of the following are often called glands of emergency?
(a) thyroid
(b) pituitary
(c) adrenal
(d) pancreas
