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Standard XII

Biology

Photosynthesis- Introduction

Photosynthesi...

Question

Photosynthesis is a process in which

_{2}

is reduced to carbohydrate

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NADH is reduced to NAD

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Both A and B

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_{2}

is oxidized to carbohydrate

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Solution

The correct option is A CO $_{2}$ is reduced to carbohydrate
Photosynthesis is an anabolic process in which CO $_{2}$ is reduced to carbohydrate. It is an enzyme regulated anabolic process of manufacture of organic compounds inside the chlorophyll containing cells from CO $_{2}$ and H $_{2}$ O with the help of sunlight as a source of energy. Oxygen is released as a by-product in this process.
So, the correct answer is option A.

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Similar questions

Q. How many statement are true for photosynthesis:
(A)

C O_{2}

is oxidize and

H_{2} O

is reduced
(B)

C O_{2}

is reduced and

H_{2} O

is oxidize
(C)

C O_{2}

is reduced to from glucose
(D)

H_{2} O

is oxidized to evolve

O_{2}

Q. During the light phase of photosynthesis .......... is oxidized and .......... is reduced.

Q. Which of the statements about the reaction below are incorrect?

2 P b O (s) + C (s) \to 2 P b (s) + C O_{2} (g)

(a) Lead is getting reduced
(b) Carbon dioxide is getting oxidized
(c) Carbon is getting oxidized
(d) Lead oxide is getting reduced

Q. Question 1
Which of the statements about the reaction below are incorrect?

2 PbO(s) + C(s) \to 2 Pb (s) + {CO}_{2} (g)

(a) Lead is getting reduced.
(b) Carbon dioxide is getting oxidized.
(c) Carbon is getting oxidized.
(d) Lead oxide is getting reduced.

Two points in which photosynthesis and respiration in plants are opposite to each other.

(a) In photosynthesis, $C O_{2}$ is consumed while in respiration $C O_{2}$ is given out.
(b) The photosynthesis is a catabolic process while respiration is an anabolic process.

Which is true?

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