NEET Botany Photosynthesis in Higher Plants MCQs

Prepare for NEET Biology Photosynthesis in Higher Plants with MCQs & PYQs on NEET.GUIDE. Get free practice, previous year questions, and expert guidance to grasp light and dark reactions.

NEET Questions / Botany / Photosynthesis in Higher Plants

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Photorespiration And C4-Cycle

Factors Affect Photosynthesis

The first stable product of $CO_2$ fixation in the Calvin cycle is:

A

RuBP

B

3-PGA

C

G3P

D

Glucose

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Remembering

🎯Difficulty :Easy

⚡ Time Required :0.5 mins

🔄Ncert Concepts :dark reaction, Calvin cycle, 3-PGA, RuBP

Choose the correct statement.

A

The ${C_4} -$ plants do not have RUBISCO

B

Carboxylation of RuBP leads to the formation of PGA and phosphoglycolate

C

Carboxylation of phosphoenol pyruvate results in the formation of ${C_4} -$ plants

D

Decarboxylation of ${C_4} -$ acids occur in the mesophyll cells

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :Photosynthesis, C4 pathway, RUBISCO, RuBP, PEP, PGA, Phosphoglycolate, Mesophyll cells, Bundle Sheath cells

Choose the correct statement.

A

The area of a circle is proportional to the square of its circumference.

B

The area of a circle is proportional to its circumference.

C

The circumference of a circle is proportional to the square root of its area.

D

The circumference of a circle is proportional to the square of its area.

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :Photosynthesis, C4 pathway, RuBisCO, PEP carboxylase, RuBP, PGA, Phosphoglycolate, Mesophyll cells, Bundle sheath cells

PGA, the first carbon dioxide fixation product was firstly discovered in

A

Chlorella

B

Scenedesmus

C

Spinach

D

Maize

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :Photosynthesis, Carbon fixation, PGA, Plant evolution

With reference to three Calvin cycles, which of the given options is correct for the following question? I. How many gross PGAL molecules are produces? II. Total, how many ATP molecules are required for synthesis of PGAL molecules? II. Total, how many NADPH $_2$ molecules are required for the synthesis of obtained PGAL molecules?

A

6, 18, 18

B

6, 27, 18

C

18, 27, 12

D

6, 27, 12

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Calvin cycle, PGAL production, ATP consumption, NADPH consumption

With reference to three Calvin cycles, which of the given options is correct for the following question? I. How many gross PGAL molecules are produces? II. Total, how many ATP molecules are required for synthesis of PGAL molecules? II. Total, how many NADPH $_2$ molecules are required for the synthesis of obtained PGAL molecules?

A

I. 2, II. 9, III. 6

B

I. 6, II. 27, III. 18

C

I. 3, II. 18, III. 12

D

I. 18, II. 54, III. 36

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Calvin cycle, PGAL production, stoichiometry

Scientist believed that since the first product was …A… acid, the primary acceptor would be …B… carbon compound; they spent many years trying to identify a 2-carbon compound before they discovered …C… carbon compound (RuBP). Complete the given statement with the correct combination of options

A

A-C $_3$ ; B-2, C-5

B

A-C $_3$ ; B-5, C-2

C

A-C $_4$ ; B-5, C-2

D

A-C $_4$ ; B-2, A-5

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Understanding

🎯Difficulty :Medium

⚡ Time Required :2 mins

🔄Ncert Concepts :Photosynthesis, Calvin Cycle, Carbon Fixation, RuBP, PGA

The first carbon dioxide acceptor in ${C_4}$ cycle is

A

RuBP

B

PEP

C

PGA

D

OAA

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Remembering

🎯Difficulty :Easy

⚡ Time Required :1 mins

🔄Ncert Concepts :C4 cycle, carbon fixation, PEP, RuBP, PGA, OAA

Select the wrongly matched pair with regard to ${C_4}$ cycle.

A

Primary $C{o_2}$ fixation-PGA product

B

Site of initial-Mesophyll cells carboxylation

C

Primary $C{o_2}$ acceptor-PEP

D

${C_4}$ plant-Maize

Question Tags

📚 Subject:Botany

📑 Chapter:Photosynthesis in Higher Plants

🎯Topic:Dark Phase

🎓 Ncert Level:Analyzing

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :C4 cycle, photosynthesis, carbon fixation, PEP carboxylase, mesophyll cells, bundle sheath cells, PGA

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