280297
Which hormone controls growth, mental faculties and tissue differentiation?
1 STH
2 Thyroxine
3 Parathormone
4 Cortison
Explanation:
(c) Thyroxine hormone controls growth, mental faculties and tissue differentiation.
NCERT Page-334 & 335 / N-242
Chemical Coordination and Integration
280298
Which of the following glands grows to the maximum size at puberty and then diminishes gradually?
1 Thymus
2 Pituitary
3 Thyroid
4 Adrenal
Explanation:
(a) Thymus gland grows to the maximum size & puberty and then diminishes gradually.
NCERT Page-335 / N-243
Chemical Coordination and Integration
280299
Calcitonin is a thyroid hormone which
1 lowers calcium level in blood
2 elevates calcium level in blood
3 has no effect on calcium
4 elevates potassium level in blood
Explanation:
(a) Calcitonin is a polypeptide hormone which lowers calcium and phosphate level of plasma by inhibiting bone degradation and stimulating their uptake by bone parathyroid hormone elevates calcium level in blood.
NCERT Page-335 / N-243
Chemical Coordination and Integration
280300
Parathormone deficiency produces muscle cramps or tetany as a result of
1 lowered blood$\text{C}{{\text{a}}^{2+}}$
2 enhanced blood$\text{N}{{\text{a}}^{+}}$
3 enhanced blood glucose
4 enhanced blood$\text{C}{{\text{a}}^{2+}}$
Explanation:
(a) Parathormone released by the parathyroid gland elevates the level of $\text{C}{{\text{a}}^{2+}}$ in blood. The deficiency of this hormone lowers blood $\text{C}{{\text{a}}^{2+}}$. As a result, the excitability of muscles and nerves increases producing tetany-sustained contraction.
280297
Which hormone controls growth, mental faculties and tissue differentiation?
1 STH
2 Thyroxine
3 Parathormone
4 Cortison
Explanation:
(c) Thyroxine hormone controls growth, mental faculties and tissue differentiation.
NCERT Page-334 & 335 / N-242
Chemical Coordination and Integration
280298
Which of the following glands grows to the maximum size at puberty and then diminishes gradually?
1 Thymus
2 Pituitary
3 Thyroid
4 Adrenal
Explanation:
(a) Thymus gland grows to the maximum size & puberty and then diminishes gradually.
NCERT Page-335 / N-243
Chemical Coordination and Integration
280299
Calcitonin is a thyroid hormone which
1 lowers calcium level in blood
2 elevates calcium level in blood
3 has no effect on calcium
4 elevates potassium level in blood
Explanation:
(a) Calcitonin is a polypeptide hormone which lowers calcium and phosphate level of plasma by inhibiting bone degradation and stimulating their uptake by bone parathyroid hormone elevates calcium level in blood.
NCERT Page-335 / N-243
Chemical Coordination and Integration
280300
Parathormone deficiency produces muscle cramps or tetany as a result of
1 lowered blood$\text{C}{{\text{a}}^{2+}}$
2 enhanced blood$\text{N}{{\text{a}}^{+}}$
3 enhanced blood glucose
4 enhanced blood$\text{C}{{\text{a}}^{2+}}$
Explanation:
(a) Parathormone released by the parathyroid gland elevates the level of $\text{C}{{\text{a}}^{2+}}$ in blood. The deficiency of this hormone lowers blood $\text{C}{{\text{a}}^{2+}}$. As a result, the excitability of muscles and nerves increases producing tetany-sustained contraction.
280297
Which hormone controls growth, mental faculties and tissue differentiation?
1 STH
2 Thyroxine
3 Parathormone
4 Cortison
Explanation:
(c) Thyroxine hormone controls growth, mental faculties and tissue differentiation.
NCERT Page-334 & 335 / N-242
Chemical Coordination and Integration
280298
Which of the following glands grows to the maximum size at puberty and then diminishes gradually?
1 Thymus
2 Pituitary
3 Thyroid
4 Adrenal
Explanation:
(a) Thymus gland grows to the maximum size & puberty and then diminishes gradually.
NCERT Page-335 / N-243
Chemical Coordination and Integration
280299
Calcitonin is a thyroid hormone which
1 lowers calcium level in blood
2 elevates calcium level in blood
3 has no effect on calcium
4 elevates potassium level in blood
Explanation:
(a) Calcitonin is a polypeptide hormone which lowers calcium and phosphate level of plasma by inhibiting bone degradation and stimulating their uptake by bone parathyroid hormone elevates calcium level in blood.
NCERT Page-335 / N-243
Chemical Coordination and Integration
280300
Parathormone deficiency produces muscle cramps or tetany as a result of
1 lowered blood$\text{C}{{\text{a}}^{2+}}$
2 enhanced blood$\text{N}{{\text{a}}^{+}}$
3 enhanced blood glucose
4 enhanced blood$\text{C}{{\text{a}}^{2+}}$
Explanation:
(a) Parathormone released by the parathyroid gland elevates the level of $\text{C}{{\text{a}}^{2+}}$ in blood. The deficiency of this hormone lowers blood $\text{C}{{\text{a}}^{2+}}$. As a result, the excitability of muscles and nerves increases producing tetany-sustained contraction.
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Chemical Coordination and Integration
280297
Which hormone controls growth, mental faculties and tissue differentiation?
1 STH
2 Thyroxine
3 Parathormone
4 Cortison
Explanation:
(c) Thyroxine hormone controls growth, mental faculties and tissue differentiation.
NCERT Page-334 & 335 / N-242
Chemical Coordination and Integration
280298
Which of the following glands grows to the maximum size at puberty and then diminishes gradually?
1 Thymus
2 Pituitary
3 Thyroid
4 Adrenal
Explanation:
(a) Thymus gland grows to the maximum size & puberty and then diminishes gradually.
NCERT Page-335 / N-243
Chemical Coordination and Integration
280299
Calcitonin is a thyroid hormone which
1 lowers calcium level in blood
2 elevates calcium level in blood
3 has no effect on calcium
4 elevates potassium level in blood
Explanation:
(a) Calcitonin is a polypeptide hormone which lowers calcium and phosphate level of plasma by inhibiting bone degradation and stimulating their uptake by bone parathyroid hormone elevates calcium level in blood.
NCERT Page-335 / N-243
Chemical Coordination and Integration
280300
Parathormone deficiency produces muscle cramps or tetany as a result of
1 lowered blood$\text{C}{{\text{a}}^{2+}}$
2 enhanced blood$\text{N}{{\text{a}}^{+}}$
3 enhanced blood glucose
4 enhanced blood$\text{C}{{\text{a}}^{2+}}$
Explanation:
(a) Parathormone released by the parathyroid gland elevates the level of $\text{C}{{\text{a}}^{2+}}$ in blood. The deficiency of this hormone lowers blood $\text{C}{{\text{a}}^{2+}}$. As a result, the excitability of muscles and nerves increases producing tetany-sustained contraction.
