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AESTIVATION

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Aestivation is a behavioural adaptation to avoid exterme heat and dessication in summer season. In which the organism slows down its metabolic activities.
It is also known as summer sleep.
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Go through the following matches (i) China rose - Twisted aestivation (ii) Calotropis - Valvate aestivation (iii) Gulmohur - Ascending imbricate aestivation (iv) Pea - Descending imbricate aestivation Which of these are correct ?

Identify the correct pairing from below . (i) Cassia - lmbricate aestivation (ii) Lady finger - Twisted aestivation (iii) Calotropis - Vexillary aestivation (iv) Lily - Epipetalous stamens (v) Alsotonia - Whorled phyllotaxy (vi) Silk cotton - Pinnately compound leaf

Write floral formula for a flower which is bisexual, actinomorphic sepals five, twisted aestivation, petals five valvate aestivation, stamens six, ovary tricarpellary, syncarpous , superior, trilocular with axile placentation.

NCERT EXEMPLAR-ORGANISMS AND POPULATIONS-Organisms And Populations
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  2. Homeostasis is

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  3. AESTIVATION

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  4. What is diapause and its significance ?

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  5. What would be the growth rate pattern, when the resources are unlimite...

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  6. What are the organisms that feed on plant sap and other plant parts ca...

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  7. What is high altitude sickness? Write its symptoms.

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  8. Give a suitable example for sommensalism.

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  9. Define ectoparasite and endoparasite and give suitable examples.

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  10. What is brood parasitism? Explain with the help of an example.

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  11. Why are coral reefs not found in the regions from West Bengal to Andhr...

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  12. If a freshwater fish is placed in an aquatium containing sea water, wi...

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  13. Why do all the freshwater organisms have contractile vacuoles whereas ...

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  14. Define heliophytes and sciophytes. Name a plant from your locality tha...

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  15. Why do submerged plants receive weaker illumination than exposed float...

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  16. In a sea shore, the benthic animals live in sandy, muddy and rocky sub...

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  17. Categorise the following plants into hydrophytes, halophytes, mesophyt...

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  18. In a pond, we see plants which are free-floating, rooted - submerged, ...

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  19. The density of a population in a habitat per unit area is measured in ...

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