Home
Class 12
BIOLOGY
The first effect of noise is...

The first effect of noise is

A

Constriction of blood vessels

B

Anxiety and stress reactions

C

increased heart beat

D

digestive spasm

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION|Exercise Check your grasp|18 Videos

  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION|Exercise Brain teasers-X|145 Videos

  • ECHINODERMATA

    DINESH PUBLICATION|Exercise REVISION QUESTIONS|65 Videos

  • EVIDENCES OF EVOLUTION

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|3 Videos

Similar Questions

Explore conceptually related problems

What is noise ? Describe briefly the effects of noise on human health.

Which of the following set represent the effect of noise pollution on human health?

The first effective antibacterial agent prepared was

Answer the following question:- Noise is a common problem in both urban and rural areas, traffic noise in particular. Trees and shrubs are not only visually attractive but also can make effective noise barriers. Therefore when space permits we have to plant more trees and shrubs in areas where there is noise problem. By doing this noise can be reduced by six decibels over a distance of 30 metres. The only thing we have to keep in mind is that the planting should be particularly dense, the trees which have dense foliage and relatively vertical orientation of arrangements should be planted. It will completely screen the source of noise. If there is any gap in barrier it will still allow noise to penetrate. Single layer of trees is worthless as a noise barrier. Due to inter-reflection, multi-rows of trees are more effective. What distance a good number of trees can cover in reducing noise ?