Very Short Answer Type Questions
Q.1. Name the factor responsible for change in rainfall patterns in India.
Ans. The prevailing wind patterns.
Q.2. In which regions is soil erosion very difficult to revert?
Ans. Mountainous regions.
Q.3. Name two diseases caused by regularly breathing in the polluted air.
Ans. Allergies/Cancer/Heart diseases. (any two)
Q.4. Name two biologically important compounds in which nitrogen is present.
Ans. Ankaloids and urea.
Q.5. List any two causes of increase in concentration of CO2 in the atmosphere.
Ans. (i) Deforestation.
(ii) Increased combustion of fossil fuels.
Q.6. Name two factors that make soil fertile.
Ans. Water and sun.
Q.7. Give the major source of minerals in soil.
Ans. Rocks.
Q.8. What is conversion of ammonia into nitrates called ?
Ans. Nitrification.
Q.9. What are CFCs ?
Ans. Chlorofluorocarbons.
Q.10. Write the various components of soil.
Ans. Various components of soil are small particles of rock, humus, and living organisms.
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