Q3 of 59 Page 70

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

Chloroplasts are not present in cyanobacteria’s and other photosynthetic bacteria. But in their inner membrane they have folds where photosynthesis takes place. You have bluish pigment phycocyanin to take photo-synthesis with solar energy.


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1

Examine the figure

Chp13.1.png


a. Is this structure present in animal cell or plant cell?


b. Can these be passed on to the progeny? How?


c. Name the metabolic processes taking place in the places marked (1) and (2).


 2

2H2O 4H+ + O2 + 4e-

Based on the above equation, answer the following questions:


a. Where does this reaction take place in plants?


b. What is the significance of this reaction?


 4

a. NADP reductase enzyme is located on _________________.

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


 5

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