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प्रश्न
Marine fish when placed in tap water bursts because of:
A. Endosmosis
B. Exosmosis
C. Diffusion
D. Plasmolysis
उत्तर
Endosmosis
(When a marine fish is placed in tap water which is hypotonic as compared to the fish’s body, water will enter the fish’s body by endosmosis.)
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संबंधित प्रश्न
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called _______________________.
Write whether the following is true or false:
Axon of one neuron communicates with other nerve cell through synapse.
The neurons which carry impulse from the central nervous system to the muscle fibre.
‘A’ is a cylindrical structure that begins from the lower end of the medulla and extends downwards. It is enclosed in bony cage ‘B’ and covered by membranes ‘C’. As many as ‘D’ pairs of nerves arise from the structure ‘A’.
(i) What is A?
(ii) Name (a) bony cage ‘B’ and (b) membranes ‘C’
(iii) How much is D?
Dendrons are the longest fibres that conduct impulses away from the cell body.
____________ is the interconnection between two neurons or neuron with motor organ.
Select the motor nerves from the following group.
What is the correct direction of flow of electrical impulses?
Why is the flow of signals in a synapse from axonal end of one neuron to dendritic end of another neuron but not the reverse?
Define the following term:
Nerve
