Hypoglycemia is an abnormally diminished content of glucose in the blood. The term literally means "low sugar blood". It can produce a variety of symptoms and effects but the principal problems arise from an inadequate supply of glucose to the brain, resulting in impairment of function.

Correct Option: D

Hypoglycemia is an abnormally diminished content of glucose in the blood. The term literally means "low sugar blood". It can produce a variety of symptoms and effects but the principal problems arise from an inadequate supply of glucose to the brain, resulting in impairment of function.

In humans and several other species of animals, the father determines the sex of the child. In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.

Correct Option: A

In humans and several other species of animals, the father determines the sex of the child. In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.

A severe iodine deficiency can cause hypothyroidism, and even developmental brain disorders and severe goiter. If there is not enough iodine in the diet, the thyroid will be unable to produce enough hormone. Thus, insufficient dietary iodine can cause the thyroid to grow unnaturally, due to the pituitary’s continued high production of TSH in its attempt to raise thyroid hormone levels.

Correct Option: C

A severe iodine deficiency can cause hypothyroidism, and even developmental brain disorders and severe goiter. If there is not enough iodine in the diet, the thyroid will be unable to produce enough hormone. Thus, insufficient dietary iodine can cause the thyroid to grow unnaturally, due to the pituitary’s continued high production of TSH in its attempt to raise thyroid hormone levels.

Molars are the posterior most and most complicated kind of tooth in most mammals. The third, rearmost molar in each group is called a wisdom tooth. It is the last tooth to appear, breaking through the front of the gum at about the age of twenty.

Correct Option: C

Molars are the posterior most and most complicated kind of tooth in most mammals. The third, rearmost molar in each group is called a wisdom tooth. It is the last tooth to appear, breaking through the front of the gum at about the age of twenty.

Anther is the apical portion of a stamen, which produces the micro spores or pollen grains. An anther normally comprises four pollen sacs arranged in two groups or lobes joined by the connective tissue to the filament.

Correct Option: C

Anther is the apical portion of a stamen, which produces the micro spores or pollen grains. An anther normally comprises four pollen sacs arranged in two groups or lobes joined by the connective tissue to the filament.