Advertisements
Advertisements
प्रश्न
Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer.
Gigantism and dwarfirm in humans basically depend on the qualtity and quantity of the food eaten during early growing age.
विकल्प
True
False
Advertisements
उत्तर
True
Reason- Gigantism and dwarfism are controlled by the growth hormone from the pituitary gland. Growth hormone is much more active in children for their normal body growth along with which necessary substance required for the synthesis of growth hormone need to be consumed.
संबंधित प्रश्न
Name the following:
Growth hormone
Expand the following biological abbreviation:
FSH
Match the terms of column I with those of column II:
| Column I | Column II |
| (i) Adenohypophysis | (a) Thyroxine |
| (ii) Neurohypophysis | (b) STH |
| (iii) Thyroid | (c) Oxytocin |
| (iv) Adrenaline | (d) Insulin |
| (v) Islets of Langerhans | (e) Noradrenaline |
What is the role-played by luteinizing hormones in males and females respectively?
You have learnt that a characteristic feature of endocrine system is the presence of feed back loops. By this what is meant if hormone A stimulates gland ‘X’ to secrete hormone B, the production of ‘A’ could be modified when the level of B changes in our blood. An example is the relation between hormones LH and estrogen (E2). An old woman exhibits the following features. High levels of LH in blood but low levels of E2 in the blood. Another woman exhibits high level of LH in blood and also high level of E2 in the blood. Where is the defect in both these women? Provide suitable diagram to support this answer.
Spermatogenesis is induced by ______.
Find out the correct labelling of the given figure.
Name the hormones secreted by adenohypophysis.
Choose the odd one out from series and write the category of the remaining terms:
Name the hormones responsible for the given functions.
| Functions | Hormones | |
| (a) | Contraction of uterine muscles during child birth | ______ |
| (b) | Maintenance of corpus luteum | ______ |
| (c) | Milk formation and secretion | ______ |
| (d) | Development of external sex characters in males. | ______ |
| (e) | Stimulation of sympathetic nervous system | ______ |
