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Assertion: Healthy ecosystems are the ba...

Assertion: Healthy ecosystems are the base for a wide range of economic, environmental and aesthetic goods and services.

A

If both assertion and reason are true and the reason is a correct explanation of the assertion.

B

If both assertion and reason are true but reason is not a correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
`*` Healthy ecosystem are the base for a wide range of economic, environmental and aesthetic goods and services.
`*` Biodiversity should carry a hefty price tag.
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A2Z-ECOSYSTEM-Section B: Assertion-reasoning Questions
  1. Assertion : Humus serves as a reservior of nutrients . Reason: Humu...

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  2. Assertion: Low temperature and anaerobiosis inhibit decomposition resu...

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  3. Assertion: All organisms are dependnet for their food on producer eith...

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  4. Assertion: Ecosystems are exempt from the Second Law of thermodynamics...

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  5. Assertion: No energy that is trapped into an organism remains in it fo...

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  6. Assertion: Cockroaches and crows are omnivores. Reason: The natural...

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  7. Assertion: The base of each pyramid represents the top level consumer....

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  8. Assertion: The tropic level represent a functional level, not a specie...

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  9. Assertion: A sparrow in a primary producer when it eats seeds, fruits ...

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  10. Assertion: In most ecosystem , all the pyramids, of number, energy and...

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  11. Assertion: The pyramid of biomass in sea is generally inverted. Rea...

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  12. Assertion: Pyramid of energy can never be inverted. Reason: When ene...

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  13. Assertion: Ass succession proceeds the number and types of animals and...

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  14. Assertion: Succession takes place on very dry areas is called xerarch ...

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  15. Assertion: The rate of succession is much faster in 2^(0) succession a...

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  16. Assertion: Standing state varies in different kinds of ecosystems. R...

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  17. (A) : Nutreints are never lost from the ecosystems (R) : They are re...

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  18. Assertion: The function of the reservoir is to meet with the deficit o...

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  19. Assertion: Healthy ecosystems are the base for a wide range of economi...

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  20. Assertion: Atmosphere or hydrosphere is the reservoir for the carbon c...

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