हिंदी

Write four adverse effects of radiations on human body. - Science and Technology 2

Advertisements
Advertisements

प्रश्न

Write four adverse effects of radiations on human body.

टिप्पणी लिखिए

उत्तर

  1. Genetic changes occur.
  2. Vision is adversely affected.
  3. Tissues in the body are destroyed.
  4. Cancerous ulceration occurs due to higher radiation from X-rays.
shaalaa.com
Environmental Conservation
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2023-2024 (March) Official

संबंधित प्रश्न

Which businesses will you start near the agro-tourism center?


Write short note

Disaster and its management.


How will you justify that overcoming the pollution is a powerful way of environmental management?


Which projects will you run in relation to environmental conservation? How?


Give scientific reason.

Why the human beings have important place in environment?


How can biodiversity be conserved?


Complete the following chart:


Attempts at various levels are performed for conserving environment. Which role would you like to perform. Give two actions each:

  • Prevention
  • Control
  • Production
  • Awareness
  • Conservation

Earthquake : Natural factor : : Industrialization : : _____________


Write any two man-made factors affecting the environment.


Give scientific reason.

Pollution is a very broad concept.


What is environmental pollution?


______ of our environment means to protect all things found in nature.


We should conserve our natural resources and energy


Complete the following table taking into account the relation between the entries in three columns:

  Air pollution Water pollution Soil pollution
Components Gases: CO2, CO, Hydrocarbons, Sulphur, NOx, Hydrogen sulphides etc.
Solid: dust, ash, carbon, lead, asbestos, etc.
   
Source   Industrial wastes, domestic wastes, sewage, chemicals discharged
from industries, pesticides used in agriculture.
 
Effect     Soil erosion, retarded growth of plants/ crops, Nutritional deficiency etc.

Name the act under which trading of rare animals has been completely banned.


Why is there a need for conservation of the environment?


Match the correct pair:

  Column 'A'   Column 'B'
(1) Forest Conservation
 Act
(a) 1986
    (b) 1980
    (c) 1970

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×