During ventricular systole, the atrioventricular valves (P) …………… and semilunar valves (Q) …………… .

1. P-close, Q-open
2. P-close, Q-close
3. P-open, Q-close
4. P-open, Q-open

The two cerebral hemispheres are joined by a sheet of fibres called:

1. Pons
2. Corpus luteum
3. Hypothalamus
4. Corpus callosum

Assertion (A): Rods and Cones are photoreceptors in the sclera of eyeball.

Reason (R): Rods are sensitive to dim light.

1. A is True and R is False.
2. A is False and R is True.
3. Both A and R are True.
4. Both A and R are False.

Priya tried to match the hormones with their effect on the human body. She tabulated the pairs as follows:

Identify the correct pair of hormones.

1. P- Insulin, Q- Glucagon
2. P- Adrenaline, Q- Oxytocin
3. P- Glucagon, Q- Vasopressin
4. P- Vasopressin, Q- Adrenaline