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Lichen secrets weak acids...

Lichen secrets weak acids

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Lichens secrete acid . . . . . On rocks

A : Lichens do not grow in polluted area having SO_(2) . R : Lichens secrete carbonic acid and oxalic acid on barren rocks.

Why is boric acid considered as a weak acid ?

Which is the weakes acid among the following?

Ph OF mixture OF weak acid and strong acid || Ph OF mixture OF two weak acids || Relative strength OF weak acids || Ph OF weak diprotic acid and bases

Acetic acid is a weak acid because :

AAKASH INSTITUTE-ECOSYSTEM-Try Yourself
  1. Exception to source of energy is hydrothermal ecosystem.

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  2. Given a scheme or flow chart responding flow of energy in an ecosystem...

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  3. What constitute food for detrivores ?

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  4. Mention the trophic level of organism given below.

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  5. Mention names of two omnivores

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  6. What is the magnitude of energy at T2 and T3 level in the given figure...

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  7. Pyramid of biomass is always upright.

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  8. Upright pyramid can be seen for all the ecological parameters in grass...

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  9. 10% law of Lindeman justify upright shape of pyramid of energy.

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  10. Climax community exhibits high species diversity.

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  11. Succession and evolution had occurred simultaneously.

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  12. Choose the correct match. {:("(i) Primary succession","(a) Fast"),("...

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  13. Lichen secrets weak acids

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  14. Pioneer community in newly formed pond in plankton stage.

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  15. In Hydrarch succession scrub stage is preccded by forest community.

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  16. Climatic factors govern or decide type of community in secondary succe...

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  17. Mention name of two elements where reservoir pool is lithosphere.

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  18. Major reservoir of carbon is

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  19. Maximum price tag is for (ecosystem service).

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  20. Mention name of ecosystem service which is involved in sexual reproduc...

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