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

State the exact location of the following structures: (a) Thyroid gland (b) Dura mater (c) Amniotic fluid (d) Papillary muscles (e) Islets of Langerhans

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

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

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

Name the mineral elements required for: (a) Clotting of blood (b) Synthesis of thyroxine

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

Observe the following picture, identify the defect and the cause of the defect. (a) Simple goitre, under secretion of thyroxine. (b) Ex-ophthalmic goitre, over secretion of thyroxine. (c) Simple goitre, over secretion of thyroxine. (d) Ex-ophthalmic goitre, under secretion of thyroxine.

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.

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

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.