Biology TRUE / FALSE

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.

True
Reason- Hormones are poured directly into blood the blood stream and control physiological processes by chemical means. Their action depends on the feedback mechanism.

True
Reason- Pituitary gland controls the functioning of all the other endocrine glands.

True
Reason-Iodine is an active ingredient in the production of the thyroxine hormone.

False
Reason- The two different kinds of diabetes are diabetes insipidus caused due to insufficient secretion of vasopressin and the other is 'diabetes mellitus' caused due to hyposecretion of insulin but they cannot be described as mild and severe.

True
Reason- Adrenaline is described as emergency hormone because during any emergency situation more adrenaline is secreted which makes the heart beat faster, increases the breathing, releases more glucose into the blood stream to fulfill the energy requirement.

FALSE, glucagon converts glycogen into glucose in the liver.

FALSE, goiter is caused due to deficiency of iodine.

TRUE

TRUE

TRUE

FALSE, adrenal medulla produces emergency hormone adrenaline.

FALSE, iodine is the main element of thyroxine.

FALSE, pituitary gland is called master gland.

FALSE, the beta cells of the pancreas secrete insulin.

FALSE, the pancreas is both exocrine and endocrine in function.

FALSE, hormones may be proteins, amino acids or steroids.

TRUE