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Which method is commonly used for improv...

Which method is commonly used for improving cattle breeds and why ?

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PRADEEP-IMPROVEMENT IN FOOD RESOURCES -Model Test Paper
  1. Which method is commonly used for improving cattle breeds and why ?

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  2. How can we produce a transgenic plant ?

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  3. What are fossil fuels ? Give one example.

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  4. What will happen when human R.B.Cs are placed in (i) hypertonic salt...

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  5. How do organisms contribute in the fomation of soil?

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  6. Name one chronic disease that is associated with respiratory system. H...

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  7. Name any three modes of transmission of AIDS.

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  8. What is vaccination ? Who gave this idea ?

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  9. (a) Expand abbreviation CFCs. Where are these commercially used ? (...

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

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  11. What is smog ? Give its harmful effects.

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

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  13. Give symptoms and control of diarrhoea infection.

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

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

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

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

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  18. Write briefly the affinities of hemichordates with echinoderms.

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

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

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

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