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Which of the following is correct regard...

Which of the following is correct regarding the ecosystem?

A

There is cyclic exchange of materials between living beings and environment.

B

The flow of energy is unidirectional

C

It is a self-regulating unit

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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NTA MOCK TESTS-NEET MOCK TEST 18-BIOLOGY
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  2. The number of death and birth in the last stage of sigmoid growth curv...

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  3. Which of the following is correct regarding the ecosystem?

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  4. Select the incorrect match from the following:

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  5. Which one of the following statements about viruses is correct?

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  6. Excretory system is absent in

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  7. In the given table, each phylum is paired with a set of characters. Se...

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  8. In cymose inflorescence

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  9. As a tree grows very old, which of the following increases more rapidl...

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  10. The transverse section of a plant material shows the following anatomi...

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  11. Periplaneta americana is a very common species of cockroach. It is

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  12. Read the following statements. A. Cartilage is present in between at...

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  13. Which of the following cell organelles are involved in the manufacturi...

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  14. Select the incorrect statement.

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  15. The X-shaped structures formed during the largest stage of meiosis-I a...

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  16. Transpiration has more than one purpose. Which of the following is not...

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  17. Manganese toxicity causes:

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  18. Effectiveness of different wavelength of light on photosynthesis is me...

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  19. Number of oxygen atoms reuqired for oxidation of 2 NADH(2) molecules i...

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  20. Arithmetic growth curve is represented by which of the following equat...

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