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Assertion (A): Hypolimnetic layer of wat...

Assertion (A): Hypolimnetic layer of water is always cold. Reason(R): The water holds the temperature of soil at the bottom of pond.

A

(A) correct, (R) wrong

B

Both (A) and (R) are correct, out (R) is not the correct explanation of (A)

C

Both (A) and (R) are correct, (R) is not the correct explanation of (A)

D

Both (A) and (R) are wrong

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SARAS PUBLICATION-GOVT. MODEL SLVED QUESTION PAPRE-2019-2020-4-EXERCISE
  1. Which one of the following is a secondary metabolite?

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  2. Which one of the following is a correct set?

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  3. Assertion (A): Hypolimnetic layer of water is always cold. Reason(R): ...

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  4. Which plant pods explodes with a loud noise like cracker?

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  5. Which one of the following food chain refers inverted pyramid?

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  6. Which one of the following is a live fence of fodder?

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  7. Which method of artificial vegetative reproduction is good in plants? ...

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  8. Differentiate tetrasomy from tetraploidy.

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  9. Define electroporation method of gene transfer.

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  10. By using gene manipulation research we produce varieties of organsms. ...

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  11. In different food chains of different ecosystem the placement of man i...

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  12. Grafting is a method of production of hybrid plants but not the method...

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  13. How does Rhytidome protect the plant against forest fire?

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  14. In animals, loss of energy occures due to evoporation of heat. How?

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  15. Write the direct and indirect effects of ozone depletion on man.

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  16. Explain the pattern of inheritance of a dominant gene suppressed by an...

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  17. Explain the role of Agrobacterium as a vector in gene transfer.

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  18. Compare mass selection with pure line selection with the help of a sch...

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  19. What are the King and Queen of spices? Explain about them their uses.

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  20. In Hydra, the buds develop from

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