importance of reflexes
importance of reflexes
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Questions and Answers For
Neuroscience
46 Questions
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What are three features that characterize the structure of cerebral cortex?
What are three features that characterize the structure of cerebral cortex?
1 AnswerWhere is CSF produced? What path does it take before it is absorbed into the bloodstream? Name the parts of the CNS it will pass through in its voyage from brain to blood.
Where is CSF produced? What path does it take before it is absorbed into the bloodstream? Name the parts of the CNS it will pass through in its voyage from brain to blood.
1 AnswerName the three main parts of the hindbrain. Which of these is also part of the brain stem?
Name the three main parts of the hindbrain. Which of these is also part of the brain stem?
1 AnswerWhat is the fate of tissue derived from the embryonic neural tube? Neural crest?
What is the fate of tissue derived from the embryonic neural tube? Neural crest?
1 AnswerImagine that you are a neurosurgeon, about to remove a tumor lodged deep inside the brain. The top of the skull has been removed. What now lies between you and the brain? Which layer(s) must be cut before you reach the CSF?
Imagine that you are a neurosurgeon, about to remove a tumor lodged deep inside the brain. The top of the skull has been removed. What now lies between you and the brain? Which layer(s) must be cut before you reach the CSF?
1 AnswerIs the myelin sheath of optic nerve axons provided by Schwann cells or oligodendroglia? Why?
Is the myelin sheath of optic nerve axons provided by Schwann cells or oligodendroglia? Why?
1 AnswerAre the dorsal root ganglia in the central or peripheral nervous system?
Are the dorsal root ganglia in the central or peripheral nervous system?
1 AnswerCa2+ are considered to be second messengers. Why?
Ca2+ are considered to be second messengers. Why?
1 AnswerDo convergence and divergence of neurotransmitter effects occur in single neurons?
Do convergence and divergence of neurotransmitter effects occur in single neurons?
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What would be expected to happen if: (a) GA3 is applied to rice seedlings (b) dividing cells stop differentiating (c) a rotten fruit gets mixed with unripe fruits (d) you forget to add cytokinin to the culture medium.(a) GA₃ applied to rice seedlings Promotes stem (internode) elongation,...
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Would a defoliated plant respond to photoperiodic cycle? Why?A defoliated plant (one with all leaves removed) will not...
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Which one of the plant growth regulators would you use if you are asked to: (a) induce rooting in a twig (b) quickly ripen a fruit (c) delay leaf senescence (d) induce growth in axillary buds (e) ‘bolt’ a rosette plant (f) induce immediate stomatal closure in leaves.(a) induce rooting in a twig Use an auxin such...
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‘Both a short day plant and a long day plant can produce can flower simultaneously in a given place’. Explain.Photoperiodism governs flowering: short-day plants (SDPs) flower when day length...
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‘Both growth and differentiation in higher plants are open’. Comment.Both growth and differentiation in higher plants are termed “open”...
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Why is abscisic acid also known as stress hormone?Abscisic acid (ABA) is termed the "stress hormone" in plants...
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List five main groups of natural plant growth regulators. Write a note on discovery, physiological functions and agricultural/horticultural applications of any one of them.Five main groups of natural plant growth regulators Auxins Gibberellins...
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