Chemical Coordination and Integration


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

𝐶𝑎2+ reabsorption is stimulated by

Hormones provides coordination in

Gigantism and acromegaly are the states associated with

In Fish culture which pair of hormones are most important?

Pigmentation of skin in humans is maintained by

Gigantism and dwarfism are the disease related to

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

Hypothalamus contains several groups of neurosecretory cells called

The posterior pituitary gland is not a true endocrine gland because

The amino acid tryptophan is the precursor for the synthesis of

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)

Oxytocin and vasopressin are stored and released by

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

Pars intermedia is a part of

Which is the incorrect statement from the following?

In males, the spermatogenesis is regulated by

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

Somatostatin from hypothalamus gland

Hypothalamus is the

Select the incorrect option

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.

PTH is a

Graves’ disease is caused due to the

Which of the following statement is incorrect?

Functions of oxytocin is/are

Hypothalamus releases two types of hormones mainly

GnRH (Gonadotropin Releasing hormone) stimulates the

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.

Significant role of calcium balance in the body is maintained by

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

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

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

Congential removal of thyroid will cause

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

The thyroid gland is composed of

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

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