Differentiate between Afferent arteriole and Efferent arteriole (diameter).

What is Micturition? Explain.

Explain the term Excretion.

The pale yellow colour of normal human urine is due to the pigment: (a) Melanin (b) Anthocyanin (c) Urochrome (d) Haemoglobin

Define the term ultrafiltration.

Differentiate between the functions of Urethra and Uterus.

State the difference between Nephron and Neuron.

Choose the odd one out from the following terms and name the category to which the others belong: (a) Used bandages, Pesticides, Face masks, Syringes. (b) Dust, Smoke, Carbon monoxide, Effluents (c) Uterus, Urethra, Urinary bladder, Ureter (d) Menstrual phase, Telophase, Follicular phase, Luteal phase (e) Malleus, Incus, Cochlea, Stapes

Structures shown: Renal medulla, Renal artery, Renal vein, Pelvis, Ureter and Renal cortex. Structure Label Function (a) Has Malpighian capsules (b) Carries oxygenated blood (c) Transports urine to urinary bladder (d) Has Henle's loops (e) Carries deoxygenated blood (f) Receives urine which flows into ureter Example: Pelvis - (f)

Choose the odd one out from the following terms and name the category to which the others belong: (a) Auxin, Oxytocin, Gibberellin, Cytokinin (b) Growth Hormone, Vasopressin, Thyroid Stimulating Hormone, Gonadotropic Hormone (c) Urochrome, Urea, Uric acid, Nucleic acid (d) Cervix, Chordae Tendinea, Papillary Muscles, Sinoatrial node (e) Morula, Blastocyst, Oviduct, Foetus

Akshay's father had a tumour in his prostate gland. His doctor advised him to get it removed surgically. One side effect of the surgery was incontinence of urine, i.e., leakage of urine from the urinary bladder. (a) Where is the prostate gland located? (b) Why does the prostate gland produce an alkaline secretion? (c) Name the structure regulating the flow of urine from the bladder into the urethra.

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