Ctet Exam - Evs - DIPENDU MONDAL- geographywithdip.blogspot.com

 

Ctet  exam 

evs

                                 DIPENDU MONDAL

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SET-1 

1. Minamata which is the disease-causing metal component - mercury

2. Where did the primitive human Homo habilis appear - - in Africa

3. What is the system of sustainable use and conservation of water - Blue Revolution

4. Give an example of an artificial ecosystem - the ecosystem of an aquarium

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5. Write the name of a waterborne disease - typhoid

6. What is the main reason for the decrease in the number of fish in the pond - - Increased acidity of the water

7. What is needed to make vermi compost - - Earthworm

8. How many years ago people learned to work in agriculture - - twenty million years ago

9. Where did primitive man first appear - - in Africa

10. How many times an adult person breathes daily - - 20000

11. What is the ratio of temperature drop with sea level rise - - Lapse rate

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12. How many crores of people in the world suffer from malnutrition - - 80 crores

13. How many people live in unhealthy environment in the world - - 240 crores

14. Write the name of a man-made radioactive waste substance - - Plutonium 239

15. What kind of gas is emitted from the pile of garbage - - Methane

16. What is the amount of sodium chloride per liter of sea water - - 35 grams

17. Eutrophication is associated with any pollution - - Water pollution

18. At what level in the atmosphere is the polar light formed - the ionosphere

19. Which layer absorbs ultraviolet rays from the sun - - Ozone layer

20. What is the unit of concentration of ozone layer - - Dobson

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