The saliva of human contains water, mucous and digestive enzyme-salivary a-amylase (ptyalin) and maltase. Ptyalin splits starch and other complex carbohydrates into maltose which is broken down by maltase into glucose.

Correct Option: A

The saliva of human contains water, mucous and digestive enzyme-salivary a-amylase (ptyalin) and maltase. Ptyalin splits starch and other complex carbohydrates into maltose which is broken down by maltase into glucose.

Cowper's gland are accessory sex glands in males and are located on the floor of the pelvic cavity. Their secretions contain mucus for lubrication of reproductive tract.

Correct Option: D

Cowper's gland are accessory sex glands in males and are located on the floor of the pelvic cavity. Their secretions contain mucus for lubrication of reproductive tract.

Haemophilia is genetic disorder disease in which blood clotting not easily takes place because of recessive X linked chromosome.

Correct Option: B

Haemophilia is genetic disorder disease in which blood clotting not easily takes place because of recessive X linked chromosome.

Thyroxine deficiency in childhood or infancy results in a condition called cretinism. Its symptoms are :
(i) Lack of skeletal development resulting in deformed bones stunted body growth.
(ii) Mental deficiency, retardation of development of sex organs and Low BMR along with slow pulse and respiration rate.

Correct Option: D

Thyroxine deficiency in childhood or infancy results in a condition called cretinism. Its symptoms are :
(i) Lack of skeletal development resulting in deformed bones stunted body growth.
(ii) Mental deficiency, retardation of development of sex organs and Low BMR along with slow pulse and respiration rate.

In women luteinizing hormone stimulates the last stage of oogenesis, ovulation, development of corpus luteum and secretion of progesterone by the corpus luteum. Ovulation is controlled by the increased level of LH in the blood.

Correct Option: A

In women luteinizing hormone stimulates the last stage of oogenesis, ovulation, development of corpus luteum and secretion of progesterone by the corpus luteum. Ovulation is controlled by the increased level of LH in the blood.