Question
Explain the Term: Nerve
✓
Answer
A nerve is a thread-like structure which emerges from the brain and the spinal cord. It consists of a large number of axons or nerve fibres surrounded by a connective tissue sheath. The nerves arising from the brain are called cranial nerves while those arising from the spinal cord, are called spinal nerves.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Given below is an experimental set up to study a particular process :
(i) Name the process being studied.
(ii) Why is the pot covered with a Jar?
(i) Name the process being studied.
(ii) Why is the pot covered with a Jar?
Explain the following term :
Conditioned reflex
Conditioned reflex
What do you mean by transpiration pull ?
Study the diagram given below and then answer the question that follows:
State the main function of (1) glucagon and (2) insulin.
State the main function of (1) glucagon and (2) insulin.
Give the ratio of phenotype of these crosses.
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
In an experiment, four freshly plucked leaves (A-D) of a plant, such as those of china – rose, were treated as follows:
(a) Coated with Vaseline on its upper surface.
(b) coated on the lower surface.
(c) coated on both surface
(d) left uncoated.
All the four leaves A, B, C & D were left in a room for about 24 hours.
(i) which leaf would become most limp? Why?
(ii) which leaf would show least limping? Why?
(a) Coated with Vaseline on its upper surface.
(b) coated on the lower surface.
(c) coated on both surface
(d) left uncoated.
All the four leaves A, B, C & D were left in a room for about 24 hours.
(i) which leaf would become most limp? Why?
(ii) which leaf would show least limping? Why?
What are serums?
How is the electronic media educating people about the importance of small families?
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:
Define the above named process.
Define the above named process.