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Briefly explain the following : (i) ...

Briefly explain the following :
(i) Eutrophication (ii) Global warming (iii) Ozone shield and its importance

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PRADEEP-IMPROVEMENT IN FOOD RESOURCES -Model Test Paper
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  2. (i) List atleast three special types of parenchyma. (ii) Different...

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  3. Write briefly the affinities of hemichordates with echinoderms.

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

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

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

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

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

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

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

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

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

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

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  14. Study carefully the nerve cell in the slide and answer the following q...

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  15. Your teacher has provided you the following picture of a plant. Name i...

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  16. Anwer the following questions related to the experiment ''To make a te...

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  17. You have prepared a stained temporary mount of human cheek cells. Exam...

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  18. (i) Study the prepared slide of given plant tissue. Give one character...

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  19. Study the given slide of sclerenchyma plant tissue and answer the foll...

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  20. You are given a specimen of cockroach. Study it carfully. (a) To whi...

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