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What are the functions of (i) pupil, and...

What are the functions of (i) pupil, and (ii) rod cells in human eye?

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(i) Regulates the amount of light passing into the eye, (ii) dim light vision.
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ICSE-NEURAL CONTROL AND CO-ORDINATION -TEST YOUR PROGRESS ( VERY SHORT ANSWER TYPE QUESTIONS )
  1. Tell the functions of ear ossicles.

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  2. Which lobe of the cerebrum is the somaesthetic area?

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  3. What are the functions of (i) pupil, and (ii) rod cells in human eye?

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  4. What is threshold stimulus for a nerve cell?

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  5. Tell the contribution of James Langley.

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  6. Name the location of Nissl's granules.

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  7. Excessive stimulation of vagus nerve in humans may lead to

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  8. What effect might vagotomy (cutting of vagal nerve fibres) have on emp...

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  9. Name the terms given to neurons that carry input to the central nervou...

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  10. Axons of most mammalian neurons are surrounded by a myelin sheath. Wha...

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  11. Which division of the nervous system is voluntary?

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  12. In a polarised membrane, what is the charge just inside the membrane?

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  13. Name the neuron which is responsible for one-way impulse conduction.

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  14. In which space does cerebrospinal fluid circulate?

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  15. Spinal nerves are part of which division of the nervous system?

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  16. What is a typical value for the resting membrane potential of a neuron...

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  17. An action potential consists of depolarization and repolarization. Whi...

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  18. Why do impulses in a neuron travel in one direction only?

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  19. Why are all spinal nerves classified as mixed nerves?

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  20. What are the three layers of the cranial meninges, from superficial to...

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