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In the 1930s C.B. van Niel correctly hy...

In the 1930s C.B. van Niel correctly hypothesized that oxygen atoms in the oxygen gas released by plants come from

A

`H_(2)O`

B

`CO_(2)`

C

`C_(6)H_(12)O_(6)`

D

`O_(3)`

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The correct Answer is:
A
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TRUEMAN BIOLOGY-PHOTOSYNTHESIS IN HIGHER PLANTS-MULTIPLE CHOICE QUESTIONS
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  2. One of the earliest experiments on photosynthesis was done in 1770 by ...

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  3. Maximum absorption of light occures in the region (PAR) of

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  4. Photosynthesis, a process of manufacture of organic compounds is

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  5. What is the common value of PQ (Photosynthetic quotient) of a leaf ?

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  6. Most effective wavelength of light for photosynthesis is

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  7. Hydrogen for the synthesis of organic compounds in photosynthesis come...

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  8. The correct summary of photosynthesis is

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  9. It is advantageous to use Hydrilla to demonstrate photosnthesis than l...

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  10. Which of the following is least effective in photosynthesis

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  11. Photosynthesis is the fastest in

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  12. Both respiration and photosynthesis require

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  13. A photosynthetic organism which does not release oxygen is

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  14. What is true for photosynthesis

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  15. Who was the first to explain the evolution of oxygen during photosynth...

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  16. The role of water in photosynthesis was experimentally confirmed by

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  17. Who proved that oxygen evolved in photosynthesis comes from water ?

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  18. Which technique has helped in inverstigation of calvin cycle ?

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  19. Radioactive isotopes employed to study photosynthesis are

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  20. The first step in photosynthesis is the

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