A cyclic set of reactions occurring in the stroma of chloroplasts that fixes the

Question

A cyclic set of reactions occurring in the stroma of chloroplasts that fixes the carbon of CO2 into carbohydrate molecules and recycles coenzymes.

Calvin Cycle

Chemiosmosis

Light-dependent reaction

Electron transport chain

2.The process of converting inorganic carbon (CO2) into an organic carbon molecule (glucose) which can be used by living organisms for energy and growth.

Oxidation

Carbon fixation

Light-dependent reaction

Chemiosmosis

3.   The first step in the process of photosynthesis.                          

Electron transport chain               

Light-dependent reaction                            

Chemiosmosis                  

Calvin cycle

4. This molecule acts as an electron carrier throughout the process of photosynthesis.                    

1. ATP

2. Photon                           

3. Chloroplast                   

4. NADPH

5. Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions).

True

False

6.The organelle in which photosynthesis takes place.

---------------------------------

7. A molecule containing three high energy phosphate bonds that acts as the primary energy-transferring molecule in a living organism.                                                                                            

1.Chloroplast

2.ATP

3.NADPH

4.Photon

8.   Product of photosynthesis.                                                          

Gas taken in an used during photosynthesis.

Absorbs light energy.

Sugar made during photosynthesis.

A.

Oxygen

B.

carbon dioxide

C.

Chlorophyll

D.

Glucose

9. The proper equation for photosynthesis is:

6CO2 + 6H2O + light energy => C6H12O6 + 6O2

C6H12O6 + 6O2 =>   6CO2 + 6H2O + energy

C6H12O6 + 6CO2 => 6O2 + 6H2O + energy

6CO2 + 6H2O => C6H12O6 + 6O2  

10. The reactions of photosynthesis that use energy from light to produce ATP and NADPH.

Oxidation

Chemiosmosis

Light-dependent reaction

Carbon fixation

Explanation / Answer

1. The answer is - Calvin cycle.

Calvin cycle is light independent photosynthesis that takes place in the stroma of chloroplast where carbon fixation occurs.

2. The answer is - carbon fixation

During carbon fixation inorganic carbon as carbon dioxide is used to be fixed into organic compound as glucose.

3. The answer is - light dependent reaction.

The first step in photosynthesis is light dependent reaction followed by Calvin cycle.

4. The answer is - NADPH

NADPH acts as an electron carrier throughout the process of photosynthesis. It gets oxidized to NADP+ .

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