A characteristic of the human cornea:
1. | Secreted by conjuctiva and glandular |
2. | It has a lacrimal gland that secretes tears |
3. | Blood circulation is absent in the cornea |
4. | In old age, it becomes hardened and a white layer is deposited on it which causes the cataract |
Which food should be eaten in deficiency of Rhodopsin in eyes:
1. Carrot & ripe papaya
2. Guava, banana
3. Mango & Potato
4. None
Suspensory ligaments are found in:
1. Brain
2. Eyes
3. Liver
4. Pancreas
Injury to the vagus nerve in humans is not likely to affect:
1. Gastrointestinal movements
2. Pancreatic secretion
3. Cardiac movements
4. Tongue movements
In a man, the abducens nerve is injured. Which one of the following functions will be affected?
1. Swallowing
2. Movement of the eyeball
3. Movement of the neck
4. Movement of the tongue
One of the examples of the action of the autonomous nervous system is:
1. Knee-jerk response
2. Pupillary reflex
3. Peristalsis of the intestines
4. Swallowing of food
Match the following columns and select the correct option:
Column I | Column II | ||
(a) | Rods and cones | (i) | Absence of Cones photoreceptor cells |
(b) | Blind Spot | (ii) | Cones are densely packed |
(c) | Fovea | (iii) | Photoreceptor cells |
(d) | Iris | (iv) | Visible coloured portion of the eye |
Options: | (a) | (b) | (c) | (d) |
1. | (iii) | (i) | (ii) | (iv) |
2. | (ii) | (iii) | (i) | (iv) |
3. | (iii) | (iv) | (ii) | (i) |
4. | (ii) | (iv) | (iii) | (i) |
The organ of Corti is a structure present in
1. external ear
2. middle ear
3. semi-circular canal
4. cochlea
The part of internal ear responsible for hearing is
1. cochlea
2. semi-circular canal
3. utriculus
4. sacculus
Wax gland present in the ear canal is called
1. sweat gland
2. prostate gland
3. Cowper's gland
4. sebaceous gland/ceruminous gland