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The material generally used for sound pr...

The material generally used for sound proofing of rooms like a ecording studio and auditorium, etc.

A

cotton

B

coir

C

wood

D

styro foam

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Veracular names given to the organisms in a particular language and region of the world. There are several types of names like English, Hindi, Gujrati, Marathi, Bengali, Tamil, etc. The names have been in use since times immemorial. New names are added whenever outside organisms are introduced into the area. Why veracular names can not be used by biologists? Give two reasons.

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MBD-ENVIRONMENT ISSUES-EXERCISE
  1. The material generally used for sound proofing of rooms like a ecordin...

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  2. Algal blooms impart a distinct colour to water due to :

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  3. Name an industry which can cause both air and thermal pollution as wel...

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  4. What is hybird vehicle technology? Explain its advantages?

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  5. How can slash and burn agriculture become enviroment friendly?

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  6. How has DDT caused decline in bird population?

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  7. What are e-wastes? Name any two e-wastes . What is best solution for t...

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  8. Make a list of impurities present in domestic sewage.

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  9. Explain algal bloom.

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  10. Expalin : Radioactive waste

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  11. Why ozone hole forms over Antarctica? How will enhanced UV radiations ...

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  12. What is organic farming ? Discuss the benefits

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  13. Discuss the causes and effects of water pollution. What measures need ...

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  14. When huge amount of sewage is dumped into a river , the BOD will:

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  15. "mango necrosis" is due to :

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  16. Minamata disease of Japan which afficted people with paralysis was tra...

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  17. What is standing state? Coin the term for vertical distribution of veg...

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  18. List the attributes that populations but not individuals possess.

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  19. Differentiate between hibernation and aestivation.

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  20. What are differences between primary succession and secondary successi...

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  21. What is the difference between BOD & COD?

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