Assertion (A): Deficiency of Antidiuretic hormone causes an increase in urination. Reason (R): Antidiuretic hormone acts on the kidney to reabsorb water from the kidney tubules. (a) A is True and R is False (b) A is False and R is True (c) Both A and R are True (d) Both A and R are False

Arrange the terms in each group in the correct order. Write them in a logical sequence beginning with the term that is underlined. (a) Palisade cells, Cuticle, Upper epidermis, Spongy cells. (b) Hepatic portal vein, Stomach, Hepatic vein, Liver. (c) Cyton, Dendrites, Synaptic cleft, Axon endings. (d) Insulin release, High blood sugar, Lowers blood sugar, Stimulates glucose uptake from blood. (e) Sperm duct, Seminiferous tubule, Epididymis, Efferent ducts.

Given below is an outline of the human body showing the important endocrine glands. Match the glands marked (a) to (e) with their correct functions: Example: (f) – 6. Secretes Testosterone. Endocrine Gland Functions (1) Prepares the body to face stress. (2) Secretes tropic hormones (3) Secretes Oestrogens (4) Maintains blood sugar level (5) Regulates basal metabolism (6) Secretes Testosterone.

The hormone that induces vigorous contractions of the uterus in a pregnant mother is: (a) Oestrogen (b) Prolactin (c) Oxytocin (d) Progesterone

Match the items in Column I with those in Column II: Column I Column II Leydig cells Lack of thyroxine in children Stoma 12 pairs Ova Testosterone Cranial nerve Diffusion of respiratory gases Cretinism Haploid cells 31 pairs Diploid cells

Mohit, a 30-year-old man was a software professional leading a sedentary life. He showed signs of high blood sugar during a routine health check-up despite having a normal body weight. Answer the following: (a) The hormonal disorder he is suffering from. (b) The hormone responsible for this disorder. (c) The organ that secretes this hormone. (d) One symptom experienced by Mohit due to this disorder. (e) One change in lifestyle to lower the blood sugar level.

A 17-year-old girl has irregular menstrual cycles and symptoms of adrenal virilism. (a) Hypersecretion of which hormone causes this condition? (b) Mention one symptom of this condition.

Define the term hormone.

Which of the following hormones will have an immediate effect on the rate of urination? (a) Adrenaline (b) Vasopressin (c) Oestrogen (d) Thyroxine

Distinguish between Diabetes mellitus and Diabetes insipidus (endocrine gland concerned).

Alpha cells of Pancreas secrete: (a) Glycogen (b) Glucose (c) Glucagon (d) Insulin

Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct matching pairs: Column I Column II Hyposecretion of Thyroxine in adults Diabetes insipidus Hyposecretion of Insulin Myxoedema Hypersecretion of Growth hormone in childhood Dwarfism Hyposecretion of ADH Gigantism Hypersecretion of Thyroxine Diabetes mellitus Exophthalmic goitre Cretinism