Biology
Assertion. Cretinism is a condition which affects adults causing dwarfism and mental retardation.
Reason. Cretinism is a kind of hypothyroidism. This disease occurs due to the defective development, or early atrophy (degeneration), of the thyroid.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Related Questions
Assertion. Adrenal medulla secretes glucocorticoids which regulate glucose levels of the blood.
Reason. Glucocorticoids, a kind of cortisone, stimulate the deposition of extra glucose in blood as glycogen in the liver and muscles. The roles of insulin and glucocorticoids are the same.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Oversecretion of insulin causes hyperglycemia or diabetes mellitus.
Reason. Oversecretion of insulin can lead to hypoglycemia by casuing excessive uptake of glucose from the blood into the cells, which in turn can lead to increased insulin resistance and ultimately result in hyperglycemia or diabetes mellitus.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. The placenta is a vital organ during pregnancy, responsible for providing nutrients and oxygen to the developing foetus.
Reason. The placenta develops from the fusion of the zygote and the endometrial lining, forming a specialized tissue structure that facilitates the exchange of substances between the maternal and foetal bloodstreams.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Leydig cells produce oestrogen and progesterone.
Reason. Leydig cells are also called as interstitial cells which are located as packing tissues between the coils of seminiferous tubules.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.