Q5 of 59 Page 70

Can girdling experiments be done in monocots? If yes, how? If no, why not?

The monocots cannot carry out girdling experiments. The monocot stem is scattered over all of the width of the trunk by vascular bundles. So, we can't reach a particular band of girdling phloem’s.


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3

Cyanobacteria and some other photosynthetic bacteria don’t have chloroplasts. How do they conduct photosynthesis?

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a. NADP reductase enzyme is located on _________________.

b. Breakdown of proton gradient leads to release of _________________.


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3CO2 + 9ATP + 6NADPH + Water glyceraldehyde 3 – phosphate + 9 ADP + 6 NADP+ + 8 Pi

Analyse the above reaction and answer the following questions:


a. How many molecules of ATP & NADPH are required to fix one molecule of CO2?


b. Where in the chloroplast does this process occur?


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Does moonlight support photosynthesis?