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How ear helps in hearing ?...

How ear helps in hearing ?

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How ear helps in balancing ?

The organ that helps in hearing is (a) cochlea (b) organ of Corti (c) semicircular canals (d) ear ossicles

Based on the diagram drawn above in membranous labyrinth give a suitable term for each of the following descriptions: (1) The sensory cells that helps in hearing. (2) The part that is responsible for static balance of the body. (3) The membrane covered opening that connects the middle ear to the inner ear. (4) The fluid present in the middle chamber of cochlea. (5) The structure that maintains dynamic equilibrium of the body.

Based on the diagram drawn above in (i) give a suitable term for each of the following description: The sensory cells that help in hearing.

Read the following statements STATEMENT ( A) Middle ear, which is filled with endolymph contains three ossicles which increases the amplitude of sound. Statement-(B) Eustachian tube helps in equalising the pressure on either side of ear drum

A teenage girl presents for evaluation of hearing loss in her tight ear. She has a history of at least 12 episodes of otitis media as a child, at least one time she perforated her eardrum. Her hearing loss is most likely due to

What role do the ear ossicles play in hearing?

Which part of the human ear plays no role in hearing as such but is otherwise very much required ?

Which part of the human ear plays no role in hearing as such but is otherwise very much required ?

Given below are asserton and reason, Point out if both are true with reason being correct explanation (A). Both correct but reason not correct explanation (B) assertion true but reason wrong (C ), and both wrong (D) Assertion. Hearing aids help the hearing imparied to hear. Reason. They make sound travel through skull bones.

ICSE-NEURAL CONTROL AND CO-ORDINATION -TEST YOUR PROGRESS ( SHORT/LONG ANSWER TYPE QUESTIONS )
  1. Give the sequence of the structures that form the gustatory pathway.

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  2. Why is it that our limbs get numb if we sit in the same position for l...

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  3. If the spinal cord was severed where it joins the brain stem, what eff...

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  4. How damage to the lower portion of the spinal cord affect defecation?

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  5. A person has a severe blow to the head but appears to be all right. Ov...

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  6. What is a reflex action? Give two examples of conditioned reflexes.

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  7. What is motor end-plate?

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  8. Nerve impulses are conducted more rapidly in myelinated fibres than i...

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  9. Distinguish between the following pairs : Conduction of nerve impul...

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  10. Explain the mechanism of conduction of nerve impulse through a nerve f...

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  11. Write in brief the structure of human brain.

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  12. Draw the structure of the human ear and label the following parts: (i)...

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  13. Distinguish between sympathetic and parasympathetic system.

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  14. Describe the saltatory conduction of nerve impulses.

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  15. When we turn round and round, we lose our balance.

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  16. How ear helps in hearing ?

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  17. What is reflex action? Write its types and two examples.

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  18. Draw a diagram of the human eye as seen in a vertical section and labe...

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  19. Draw a neat and labelled diagram of cross-section of human eyeball. (D...

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  20. What are neuroregulators? Mention various types of them with examples.

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