What is the major events during photosyn...

What is the major events during photosynthesis.

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In four chanmbered heart, left half is completely separated from right half by septa. It serves following two purposes
(a) ensures complete segregation of oxygenated and deoxygenated blood (i.e., no mixing).
(b) allows a highly efficient supply of oxygenated blood to all parts of the body.
This is useful in they warm blooded animals (like mammals and birds) which have high energy need , because they constantly require energy to maintain their body temperature.

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The first event in photosynthesis is

Sythesis of ATP

Photoexcitation of chlorophyll and ejection of electron

Photolysis of water

Release of oxygen

ATP formation during photosynthesis is

Phosphorylation

Photophosphorylation

Oxidative phosphorylation

None of the above.

Which one of the following is a xcorrect outline of the main event in photosynthesis

oxygen reacts with a carbohydrate to produce water and carbon dioxide in the presence of light

light joins carbo dioxide to an acceptor compound which is then reduced by hydrogen obtained from water

light splits water and the resulting hydroxy group combines with a compound which has incorparoted carbon dioxide

carbon dioxide combines with an acceptor compound and this is reduced bny hydrogen split from water by light