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प्रश्न
Differentiate between the Rods and Cones of Retina (Type of pigment)
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उत्तर
Rods and Cones of Retina (Type of pigment):
| Rods | Cones |
| Rods produce rhodopsin. | Cones produce iodopsin. |
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संबंधित प्रश्न
Draw labelled diagrams of the following: Ear
find odd one from following: Malleus, iris, Stapes, Incus.
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Semi-circular canals are concerned with static (positional) balance.
Why should we not put a pin or pencil in our ears ?
Differentiate between:
The middle ear and Inner ear.
Given below is the diagram of the human ear. Study the same and answer the questions that follow:
(i) Give the biological term for the part labeled ‘A’ and state its function.
(ii) Name the part labeled ‘B’ and state its function.
(iii) Name the part labeled ‘C’ and state its function.
(iv) Give the function of ear wax.
Describe the structure and function of the human ear?
The part of the ear that collects the sound from the surroundings is ______.
The spiral organ possessing sensory cells for hearing is ______.
The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.
 |
- Label the parts 1 to 8.
- State the role of parts 6, 7 and 8.
- Why is it harmful to use a sharp object to remove ear wax? Mention the number and name of the part involved.
