Assertion. Choroid layer provides nourishment to the eye and also prevents light rays form reflecting and scattering inside the eye.

Reason. Choroid layer is the outermost layer of the eyeball which surrounds the sclerotic layer. This layer contains two types of pigments-Rhodopsin and Iodopsin.

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

Assertion. The image formed on the retina is straight and real.

Reason. Images from the retina are transmitted to the brain through the optic nerve. Then brain interprets it in an upright position. Both the eyes form two images but the brain interprets them as one due to the overlapping of the images.

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

Assertion. Semi-circular canals are present in the middle ear and they contain sensory cells responsible for the static balance of the body.

Reason. One end of each of the three semi-circular canals is widened to form an ampulla which contains the sensory cells for dynamic balance.

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

Assertion. The tube/canal which transmits the air currents from the pinna to tympanum is termed as eustachian tube.

Reason. The eustachian tube equalizes the air pressure on either side of the ear drum allowing it to vibrate freely.

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