Chemical Coordination and Integration


These MCQs are intended for checking your Biology, Chapter CHEMICAL COORDINATION AND INTEGRATION  knowledge.

In females, the …A… induces the ovulation of fully mature follicle called ….B… and maintain the ….C… ovulation.
Select the correct combination in reference to the above given statement.

The amino acid tryptophan is the precursor for the synthesis of

Pigmentation of skin in humans is maintained by

Significant role of calcium balance in the body is maintained by

Identify A to D in the given figure and choose the correct combination.

Hypothalamus contains several groups of neurosecretory cells called

In males, the spermatogenesis is regulated by

Somatostatin from hypothalamus gland

Graves’ disease is caused due to the

The thyroid gland is composed of

The pituitary gland is located in a bony cavity called …. A… and is attached to …. B… by a stalk.
Identify A and B to complete the given statement.

Congential removal of thyroid will cause

PTH is a

A pregnant female delivers a baby, who suffers from stunted growth, mental retardation low intelligence quotient and
abnormal skin. This is the result of

Which is the incorrect statement from the following?

Hypothalamus is the

Resorption of water and electrolytes by distal tubules of kidney and reducing the loss of water through urine(diuresis)
done by

In Fish culture which pair of hormones are most important?

Functions of oxytocin is/are

Identify A, B, C and D in the given diagram and choose the correct combination.

Secretion of PTH is regulated by the circulating levels of …… in blood

Pars intermedia is a part of

Gigantism and acromegaly are the states associated with

Hypothalamus releases two types of hormones mainly

Cretinism, mental retardation, low intelligence quotient, abnormal skin, deaf- mutism, etc., are the results of

Hormones provides coordination in

Gigantism and dwarfism are the disease related to

𝐶𝑎2+ reabsorption is stimulated by

The posterior pituitary gland is not a true endocrine gland because

Which of the following statement is incorrect?

Hormones are non-nutrient chemicals, which acts as…… messengers and are produced in trace amount.

Oxytocin and vasopressin are stored and released by

GnRH (Gonadotropin Releasing hormone) stimulates the

The activity of formation of milk is regulated by the activity of …. A…., while the ejection of milk is controlled by
…B… hormone. Here, A and B refers to

Identify different endocrine glands in human (A-H)

By which part of thyroid gland T3 and T4 hormones are synthesise?

Select the incorrect option

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