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Most primary productivity in the surface...

Most primary productivity in the surface waters of lakes and oceans is by

A

floating plants

B

red and brown algae

C

zooplankton

D

phytoplankton

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The correct Answer is:
D
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ARIHANT NEET-ECOSYSTEM-Exercises A Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
  1. Aquatic ecosysterms cover approximately how much of the earth's surfac...

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  2. Which of the following ecosystem has very little primary productivity?

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  3. Most primary productivity in the surface waters of lakes and oceans is...

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  4. Agroecosystem is unstable because of

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  5. Decomposers are also known as

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  6. Consumers are also known as

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  7. Nitrogen is a critical element of the ecosystem because it is

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  8. Which one is sedimentary cycle ?

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  9. In an ecosystem, which one shows one-way passage

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  10. Which one occurs at same trophic level

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  11. The products of ecosystem processes are named as

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  12. Pyramid of numbers is

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  13. Decomposition process involves

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  14. Stratification occurred in

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  15. Approximately how much of the solar energy that falls on the leaves of...

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  16. At each trophic level of a food chain, the energy not used or passed a...

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  17. Sequence of species through which the organic molecules in a community...

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  18. How much of the chemical energy within the producer tissues becomes ch...

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  19. What is the source of energy that flows through the living world ?

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  20. A group of intercooected food chain is called a

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