What is Dark reaction
Trending Questions
Identify the steps in photosynthesis from the following pictures:
photolysis of water; reduction of CO2
oxygen production; carbohydrate storage
hydrogen release; starch storage
water absorption; carbon fixation
Chlorophyll in the chloroplast is located in?
Does C4 photosynthesis occur at night?
Where does the dark reaction take place?
What is the composition of chloroplast?
- Outer membrane of the chloroplast
- Inner membrane of the chloroplast
- Stroma of the chloroplast
- Grana of the chloroplast
- Nucleus
- Endoplasmic Reticulum
- Golgi Apparatus
- Lysosomes
- Electron transport
- Photolysis
- excitement of chlorophyll molecule
- Reduction of CO2 to the level of carbohydrate
Assertion: In light reaction of photosynthesis, light is required for the functioning of PS I and PS II, and production of NADPH and ATP.
Reason: Dark reaction does not occur in light.
- If assertion is true but reason is false.
- If both assertion and reason are true and reason is the correct explanation of assertion.
- If both assertion and reason are true but reason is not the correct explanation of assertion.
- If both assertion and reason are false.
Which of the following statements about photosynthesis is true?
the light-dependent reactions can occur only in the light, the light-independent reactions only in the dark
photorespiration is more efficient at producing glucose than is photosynthesis
the light-dependent reactions produce the energy-rich compounds that are used to run the light- independent reactions
all of the above are true
- Stromal matrix
- Thylakoid lumen
- Photosystem I
- Photosystem II
The correct statement of dark reaction is
It occur in presence of light only
It occur in absence of light only
It is independent of light
All of these
NADPH and ATP are used in the ______ reactions of photosynthesis.
light-dependent
light-independent
glycolytic
Krebs cycle
- ADP
- ATP
- Chlorophyll
- RuDP
- It occurs in dark
- None of the above
- It does not require light energy
- Both 1 and 2
- The electron carriers involved in photophosphorylation are located on the thylakoid membranes
- Photosynthesis is a redox process, in which water is oxidised and carbon dioxide is reduced
- In green plants, both PS-I and PS-II are required for the formation of NADPH+H+
- The enzymes required for carbon fixation are located only in the grana of chloroplasts
- Photolysis of water
- Reduction of carbon dioxide to the level of organic compounds.
- Photophosphorylation.
- Activation of chlorophyll molecule.