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प्रश्न
The dramatic changes in body features associated with puberty are mainly because of the secretions of :
(a) estrogen from testes and testosterone from ovary
(b) estrogen from adrenal gland and testosterone from pituitary gland
(c) testosterone from testes and estrogen from ovary
(d) testosterone from thyroid gland and estrogen from pituitary gland
उत्तर
(c) testosterone from the testes and estrogen from the ovary
The dramatic changes in the body features associated with puberty are mainly due to the secretion of testosterone from the testes (in male) and estrogen from the ovary (in female).
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संबंधित प्रश्न
Name the hormones secreted by the given endocrine glands and specify one function.
Pancreas
Name one hormone secreted by the pituitary gland
Which gland secretes the growth hormone?
Fill in the following blanks with suitable words :
The two examples of effectors are .........and ...........
Name the hormones secreted by given endocrine glands :
Parathyroid glands
State the functions of Thyroxine hormones.
Match the hormones given in column I with their functions given in column II :
| Hormones | Functions |
| (i) Thyroxine | (a) Causes breasts to develop in females |
| (ii) Adrenaline | (b) Causes the male to start producing sperms |
| (iii) Insulin | (c) Prepares the body for an emergency |
| (iv) Estrogen | (d) Controls the metabolic rate |
| (v) Testosterone | (e) Regulates the amount of sugar in blood |
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Dwarfism results due to:
There are two similar glands P which are located on top of two similar organs Q in the human body. P are often called the emergency glands and they secrete a hormone R into the blood stream. R is secreted in large amounts when a person is frightened. It brings about temporary changes in the body which allow a lot of substance S from the liver to go into the blood to provide a lot of energy in a very short time. This helps a person to fight back or run away from the frightening situation.
What are P, Q, R and S?
