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Biology

General

Easy

Question

The $C subscript 4 end subscript$ -plants are photosynthetically more efficient than $C subscript 3 end subscript$ -plants because

(a) The carbon dioxide compensation point is more
(b) Carbon dioxide generated during photorespiration is trapped and recycled through PEP carboxylase
(c) The carbon dioxide efflux is not prevented
(d) They have more chloroplasts

The correct answer is: (d) They have more chloroplasts

In $C subscript 4 end subscript$ -plants, chloroplasts are found in both bundle sheath and mesophyll cells. Chloroplasts in bundle sheath cells are larger and does not contain grana, whereas chloroplasts in mesophyll cells are smaller and have grana.

Related Questions to study

Photosynthesis is a

Photosynthesis is a

I. PS-I has more chlorophyll- $a$ than chlorophyll- $b$
II. PS-II has more chlorophyll- $b$ than chlorophyll- $a$
Choose the correct option

I. PS-I has more chlorophyll- $a$ than chlorophyll- $b$
II. PS-II has more chlorophyll- $b$ than chlorophyll- $a$
Choose the correct option

Which photosynthetic pigment is called universal photosynthesis pigments?

Which photosynthetic pigment is called universal photosynthesis pigments?

parallel

Photorespiration is the light dependent reaction in which utilisation of

Photorespiration is the light dependent reaction in which utilisation of

The molecule present in the reaction centre of photosystem is

The molecule present in the reaction centre of photosystem is

Protons produced by the splitting of water in light reaction of photosynthesis accumulates within the reaction of photosynthesis accumulates within the

Protons produced by the splitting of water in light reaction of photosynthesis accumulates within the reaction of photosynthesis accumulates within the

parallel

Asymmetric labeling of glucose phosphate formed in photosynthesis is called

Asymmetric labeling of glucose phosphate formed in photosynthesis is called

Photosystem I (PS-I) and Photosystem-II (PS-II) are named

Photosystem I (PS-I) and Photosystem-II (PS-II) are named

The water splitting complex is associated with

The water splitting complex is associated with

parallel

Majority of energy carrier molecules are oxidised or reduced in the

Majority of energy carrier molecules are oxidised or reduced in the

I. $C O subscript 2 end subscript$ is assimilated into sugars
II. RUBP is regenerated
III. ATP and NADPH are formed
Select the correct option in context to Calvin cycle

I. $C O subscript 2 end subscript$ is assimilated into sugars
II. RUBP is regenerated
III. ATP and NADPH are formed
Select the correct option in context to Calvin cycle

Which crop utilizes solar energy most efficiently?

Which crop utilizes solar energy most efficiently?

parallel

Photochemical reactions in the chloroplasts are directly involved in

Photochemical reactions in the chloroplasts are directly involved in

The first product of $C O subscript 2 end subscript$ fixation in $C subscript 4 end subscript$ pathway is

The first product of $C O subscript 2 end subscript$ fixation in $C subscript 4 end subscript$ pathway is

Basic features of Kranz anatomy of $C subscript 4 end subscript$ -plant is presence of

Basic features of Kranz anatomy of $C subscript 4 end subscript$ -plant is presence of

parallel

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