Asked Oct 8, 2019

Which of the following are the products of the light reactions of photosynthesis. 

A. Glucose 

B. Water



E. Light energy


G. Carbon dioxide

H. Oxygen 


Expert Answer

Step 1

Photosynthesis can be defined as the process with which the green plants and some other organisms convert the light energy into chemical energy. During this process, light energy is absorbed and is used to convert carbon dioxide, water, and minerals into energy-rich organic compounds and oxygen.


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The overall reaction in photosynthesis: 6CO2+ 12 H2O + Light 602+ 6 H20 C&H1206 + energy Carbon Water Glucose Охудen Water dioxide

Step 2


The correct options are:

Option C). ATP

Option D). NADPH

NADP is Nicotinamide adenine dinucleotide phosphate. NADPH is the reduced form of NADP.

ATP is Adenosine triphosphate.

Photosynthesis takes place in two stages:

In first stage of photosynthesis, light reactions capture the light energy use it to produce the energy-storage molecules such as ATP and NADPH. In plants, light-dependent reactions take place in the thylakoid membranes of the chloroplasts.

Along with carbon dioxide, these energy molecules are utilized during the second stage (the dark reactions) to produce sugar (glucose).


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Two stages of photosynthesis Light-dependent reactions Light-independent reactions Chemical energy (ATP NADPH) Light energy Chemical energy (АТP, NADPH) Chemical energy (C,H.gO) co, но

Step 3

The incorrect options are:

A). Glucose:

It is a sugar molecule produced during the Calvin cycle of photosynthesis.

B). Water:

Water is used during the photosynthetic light reactions.


NADP is naturally present in the chloroplast. During the light reactions, the NADP forms the NADPH by combining with H+ produced due to the breakdown of water.

E). Light energy:

It is ...

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