GnRH, a hypothalamic hormone, needed in reproduction, acts on:
1. | Anterior pituitary gland and stimulates secretion of LH and FSH. |
2. | Posterior pituitary gland and stimulates secretion of oxytocin and FSH. |
3. | Posterior pituitary gland and stimulates secretion of LH and relaxin. |
4. | Anterior pituitary gland and stimulates secretion of LH and oxytocin. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHypersecretion of Growth Hormone in adults does not cause further increase in height, because?
1. | Epiphyseal plates close after adolescence. |
2. | Bones lose their sensitivity to Growth Hormone in adults. |
3. | Muscle fibres do not grow in size after birth. |
4. | Growth Hormones become inactive in adults. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
1. Insulin Thyroid hormone
2. Aldosterone Atrial Natriuretic Factor
3. Relaxin Inhibin
4. Parathormone Calcitonin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology