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Assertion a. True xerophytes store water...

Assertion a. True xerophytes store water in the form of mucilge which helps to withstand prolonged period of drought.
Reason r. Vasuclar and mechanical tissues are well developed in true xerophytes.

A

Both a and r are correct and r is correct explanation of a

B

Both a and r are correct but r is not correct explanation of a

C

a is true but r is false

D

a is false but r is true

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The correct Answer is:
D
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DINESH PUBLICATION-ORGANISMS AND THE ENVIRONMENT-RQ
  1. Root reaches water table in

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  2. Match the columns and find the correct combination

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  3. Assertion a. True xerophytes store water in the form of mucilge which ...

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  4. One of the following is not true for hydrophytes

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  5. Microscopic aquatic organisms lacking locomotory ability and drifting ...

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  6. the volume and surface area of a deer is 1,50, 000 cm^(3) and 19, 000 ...

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  7. Under unfavourable condition many zooplnkton species in lakes and pond...

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  8. Which one of the following is a xerophytic plant in which the stem is ...

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  9. The figure given below is a diagrammatic representation of response of...

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  10. An adaptation of plants to water scarcity and high temperature is

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  11. Range of latitude of temperate region is

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  12. Feature of xerophytic leaves is

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  13. Actively moving organisms in aquatic ecosystem are

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  14. Read the following statements A and B (A) Many organs of aquatic pla...

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  15. Select incorrect statement

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  16. Match the columns and find the correct options.

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  17. Total number of all species of organisms in a given region is known a...

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  18. Resemblance of one organism to another for protection and hiding:

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  19. Select the correct pair of adaptations in desert lizards (a) Burrow...

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  20. "Good ozone" is found in:

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