Assertion: The nerve impulse travels from the axon of a neuron to the axon of another neuron.

Reason: The end portion of the axon has swollen ends, which store neurotransmitters.

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.

Thomas played cricket on a hot summer afternoon. His urine output was much less, though he drank plenty of water. What could be the possible cause?

P - Kidneys reabsorb a lot of water
Q - Sweat glands are active
R - Kidneys absorb less water
S - Sweat glands are inactive

1. R and Q
2. P and Q
3. P and S
4. R and S

Surya's father was diagnosed with Diabetes mellitus. The doctor advised him to avoid certain foods. Which are the foods he should avoid eating?

P - Sweets
Q - Leafy vegetables
R - Bananas
S - Pulses

1. P and R
2. Q and S
3. R and S
4. P and Q

During light adaptation:

1. Rods and cones become active.
2. Rods and cones become inactive.
3. Rods become active and cones inactive.
4. Cones become active and rods inactive.