Question
Cycas leaflets are
✓
Answer
b
It’s obvious.
It’s obvious.
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Choose the correct option given below :-
(i) Joseph Priestley in 1770 performed a series of experiments that revealed the essential role of air in the growth of green plants.
(ii) O2 evolved by the sulphur bacteria comes from H2O.
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(ix) In PS-I, the reaction centre chlorophyll-a has an absorption peak at 700 nm, hence is called P700, while in PS-II it has absorption maxima at 680 nm, and is called P680.
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