NEET UG BIOLOGY MCQ: PHOTOSYNTHESIS IN HIGHER PLANTS

1 Medium

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Analyzing +4 | -1

I. Water is oxidised in PS-I not in PS-II II. Light is needed for both PS-I and PS-II III. Due to photolysis of water, formation of ATP and NADPH occurs IV. Production of NADPH and

H^+

is associated with PS-II not PS-I Identify the true statement and select the correct option

View answer and explanation

Correct option: B

II and III

Option B (II and III) is correct because light is needed for both photosystems and photolysis of water leads to ATP and NADPH formation.

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Energy required for ATP synthesis in PS – II comes from? Correct sequence of rate of photosynthesis in different light is The

{C_4}

plants are photosynthetically more efficient than

{C_3}

plants because: If a chemical process is affected by more than one factors then its rate will be determined by Identify the incorrect statements among the following

I. When only PS I is functional, cyclic flow of electrons is not possible

II. The breakdown of the gradient provides enough to make the enzyme synthesis

III. The NADP reductase enzyme is located of the thylakoid membrane

IV. Proton gradient increases due to

\mathrm{PC}

and Cyt

f

. Law of limiting factors was given by