Download App

STD 11 - 18. Neural control and coordination — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 18. Neural control and coordination1 Mark
MCQ
On application of a stimulus on the axonal membrane,
  • A
    There is a rapid influx of $K^+$ at that site
  • B
    There is a rapid efflux of $Na^+$ at that site
  • ✓
    There is a rapid influx of $Na^+$ at that site
  • D
    There is a rapid efflux of $K^+$ at that site
✓

Answer

Correct option: C.
There is a rapid influx of $Na^+$ at that site
c
On application of a stimulus on the axonal membrane, there is rapid influx of $Na^+$ ions from outside due to opening of $Na^+$ voltage gated channels

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 "M.C.Q (1 Marks)" from STD 11 - 18. Neural control and coordination→STD 11 - 18. Neural control and coordination — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

A higher proportion of ethylene is found in
→
Increase in length of plant axis is by
→
If the pancreating duct of a healthy dog is blocked an hour after it had its food, which one of the following functions of the pancreas will not be affected
→
Functions of smooth muscles, cardiac muscles, organs, and glands are regulated by _______ system.
→
F. Skoog discovered
→
The cells in this region are rich in protoplasm, possess large conspicuous nuclei
→
The classification of algae is based on
→
Biochemical resemblance is generally used for the identification of which group of individuals
→
Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$:

Assertion $A$: A flower is defined as modified shoot wherein the shoot apical meristem changes to floral meristem.

Reason $R$: Internode of the shoot gets condensed to produce different floral appendages laterally at successive node instead of leaves.

In the light of the above statements, choose the correct answer from the options given below :

→
The centre of smell in the brain is :
→