Download App

Neural Control and Coordination — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYNeural Control and Coordination3 Marks
Question
What do grey and white matter in the brain represent?
✓

Answer

The human brain is made up of two types of matter the outer grey matter and inner white matter. Grey matter is nothing but it is due to collection of cytons/ cell bodies/ soma of neurons and non-myelinated neurons which appears grey in colour hence called grey matter. White matter is due to collection of myelinated neurons hence called white matter. Outer grey matter and inner white matter is present in cerebrum, cerebellum while outer white matter and inner grey matter is present in pons, medulla oblongata and spinal cord.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "3 Marks Question" from Neural Control and Coordination→Neural Control and Coordination — all question types→BIOLOGY STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Give the location of hepatic caecae in a cockroach. What is their function?
→
Enumerate the economic significance of bryophytes.
→
Answer the following with reference to the anatomy of monocot stem How are the vascular bundles arranged? How are the xylem vessels arranged in each bundle? What do you call such an arrangement? Vascular bundles are closed ones. What type of tissue is lacking in them?
→
Give the name of the bones present in the lower leg in humans.
→
What are the main differences among Chlorophyceae, Phaeophyceae and Rhodophyceae?
→
A cyclic process is occurring in $\mathrm{C}_3$ plant, which is light dependent, and needs $\mathrm{O}_2$. This process doesn’t produce energy rather it consumes energy.
  1. Can you name the given process?
  2. Is it essential for survival?
  3. What are the end products of this process?
  4. Where does it occur?
→
Explain the difference between interfascicular cambium and intrafascicular cambium.
→
Name any three enzymes secreted by pancreas. Specify the substrate and product of each.OR
Name three enzymes secreted by pancreas and their action on proteins, fats and starch.
→
Arya went to a bird sanctuary with her family. She saw numerous birds there and was amazed by the colourful and vibrant world of flying birds. She also saw ostriches there but they were not flying seeing this, she asked her mother who is an ornithologist) why only birds can fly, while all other animals cannot. She also asked her mother about the birds that cannot fly.Her mother explained Arya about birds and their characteristic features. Arya felt happy knowing knowledge:
  1. Which characteristic features of Aves.
  2. What are the flight adaptations of birds?
  3. Name few flightless birds.
  4. What values are shown by Arya?
→
Does pyruvic acid enter the 'Krebs' cycle directly?
→