Chemical Coordination and Integration · Biology · NEET
MCQ (Single Correct Answer)
Match List-I with List-II.
| List - I | List - II | ||
|---|---|---|---|
| (A) | Epinephrine | (I) | Hyperglycemia |
| (B) | Thyroxine | (II) | Smooth muscle contraction |
| (C) | Oxytocin | (III) | Basal metabolic rate |
| (D) | Glucagon | (IV) | Emergency hormone |
Choose the correct answer from the options given below :
Identify the wrong statements :
A. Erythropoietin is produced by juxtaglomerular cells of the kidney
B. Leydig cells produce Androgens
C. Atrial Natriuretic factor, a peptide hormone is secreted by the seminiferous tubules of the testes
D. Cholecystokinin is produced by gastrointestinal tract
E. Gastrin acts on intestinal wall and helps in the production of pepsinogen
Choose the most appropriate answer from the options given below :
Which of the following is not a steroid hormone?
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R :
Assertion A : FSH acts upon ovarian follicles in female and Leydig cells in male.
Reason R : Growing ovarian follicles secrete estrogen in female while interstitial cells secrete androgen in male human being.
In the light of the above statements, choose the correct answer from the options given below :
Match List I with List II :
| List - I | List - II | ||
|---|---|---|---|
| A. | Exophthalmic goiter | I. | Excess secretion of cortisol, moon face \& hypergylcemia. |
| B. | Acromegaly | II. | Hypo-secretion of thyroid hormone and stunted growth. |
| C. | Cushing's syndrome | III. | Hyper secretion of thyroid hormone \& protruding eye balls. |
| D. | Cretinism | IV. | Excessive secretion of growth hormone. |
Choose the correct answer from the options given below :
Select incorrect statement, regarding chemical structure of insulin.
Which of the following statements are correct with respect to the hormone and its function?
(A) Thyrocalcitonin (TCT) regulates the blood calcium level.
(B) In males, FSH and androgens regulate spermatogenesis.
(C) Hyperthyroidism can lead to goitre.
(D) Glucocorticoids are secreted in Adrenal Medulla.
(E) Parathyroid hormone is regulated by circulating levels of sodium ions.
Choose the most appropriate answer from the options given below :
Match List-I with List-II.
| List - I | List - II | ||
|---|---|---|---|
| (A) | Palm bones | (I) | Phalanges |
| (B) | Wrist bones | (II) | Metacarpals |
| (C) | Ankle bones | (III) | Carpals |
| (D) | Digit bones | (IV) | Tarsals |
Choose the correct answer from the options given below :
Given below are two statements :
Statement I : Parathyroid hormone acts on bones and stimulates the process of bone resorption.
Statement II : Parathyroid hormone along with Thyrocalcitonin plays a significant role in carbohydrate metabolism.
In the light of the above statements, choose the correct answer from the options given below :
Which of the following are NOT under the control of thyroid hormone?
A. Maintenance of water and electrolyte balance
B. Regulation of basal metabolic rate
C. Normal rhythm of sleep-wake cycle
D. Development of immune system
E. Support the process of RBCs formation
Choose the correct answer from the options given below:
Give below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): FSH which interacts with membrane bound receptors does not enter the target cell.
Reason (R): Binding of FSH to its receptors generates second messenger (cyclic AMP) for its biochemical and physiological responses.
In the light of the above statements, choose the most appropriate answer from the options given below
Which of the following are not the effects of Parathyroid hormone?
(a) Stimulates the process of bone resorption(b) Decreases Ca2+ level in blood
(c) Reabsorption of Ca2+ by renal tubules
(d) Decreases the absorption of Ca2+ from digested food
(e) Increases metabolism of carbohydrates
Choose the most appropriate answer from the options given below:
| Column-I | Column-II |
|---|---|
| (a) Pituitary gland | (i) Grave’s disease |
| (b) Thyroid gland | (ii) Diabetes mellitus |
| (c) Adrenal gland | (iii) Diabetes insipidus |
| (d) Pancreas | (iv) Addison’s disease |
| (a) Insulin | (i) Addison’s disease |
|---|---|
| (b) Thyroxin | (ii) Diabetes insipidus |
| (c) Corticoids | (iii) Acromegaly |
| (d) Growth Hormones | (iv) Goitre |
| (v) Diabetes mellitus |
Select the correct option.
(i) is released by sympathetic fibres
(ii) is released by parasympathetic fibers
(iii) increases the heart rate
(iv) decreases blood pressure.
Which of the above statements are correct?
| Gland | Secretion | Effect on body |
|---|---|---|
| A | Estrogen | Maintenance of secondary sexual characters |
| Alpha cells of Islets of Langerhans |
B | Raises blood sugar level |
| Anterior pituitary | C | Over secretion leads to gigantism |