Electrons released on splitting of water molecules in photosynthesis are used in producing:

1. NADP
2. NADPH
3. ATP
4. O₂

The four major steps in seeing an object are:

i. interpretation by the brain.

ii. focussing of image.

iii. entry of light rays.

iv. transmission of nerve impulses from the retina & brain.

The correct sequence will be:

1. i, ii, iii, iv
2. ii, iii, iv, i
3. iii, ii, iv, i
4. iv, i, ii, iii

Assertion: Seminiferous tubules produce sperms.

Reason: Seminiferous tubules secrete Oxytocin, which aids in the production of sperm.

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.

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.