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What is smog ? Give its harmful effects....

What is smog ? Give its harmful effects.

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PRADEEP-IMPROVEMENT IN FOOD RESOURCES -Model Test Paper
  1. (a) Expand abbreviation CFCs. Where are these commercially used ? (...

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  2. How would you differentiate between : (i) Mixed cropping and Inter...

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  3. What is smog ? Give its harmful effects.

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  4. Blue green algae are classified along with bacteria placed in Kingdom-...

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  5. Give symptoms and control of diarrhoea infection.

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  6. Give the structure, occurrence and function of the following : (i) ...

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  7. Name two fishes each which live in the (i) surface zone (ii) middle zo...

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  8. (i) List atleast three categories of animal connective tissues. (ii)...

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  9. (i) List atleast three special types of parenchyma. (ii) Different...

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  10. Write briefly the affinities of hemichordates with echinoderms.

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  11. Draw a labelled diagram of a plant cell as revealed by an electron mic...

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  12. Very briefly describe the following : (i) Lysosomes are autophagous ...

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  13. (i) What scientific name is given to bee keeping ? (ii) What is the i...

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  14. Enlist factors influence the production of good quality of milk .

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  15. Define soil erosion. Give its causes, effects and preventive measures.

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  16. (a) What is meant by rain-water harvesting ? Mention its advantages. ...

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  17. With the help of neat labelled diagrams and suitable exampled, describ...

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  18. Highlight the ways through which infectious diseases generally spread ...

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  19. Give reasons for the direction of air currennts in coastal areas durin...

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  20. Briefly explain the following : (i) Eutrophication (ii) Global wa...

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