NEET Biology Photosynthesis in Higher Plants MCQs Set 11

Biology Objective Questions and Answers: Photosynthesis In Higher Plants

Review structured MCQ sets for NEET Biology Photosynthesis In Higher Plants. Built according to official NEET guidelines, these downloadable questions support daily revision and core concept reinforcement.

Download Photosynthesis In Higher Plants MCQs with Answers

Access the complete set of multiple-choice questions for Photosynthesis In Higher Plants below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official NEET textbooks.

Multiple Choice Questions

Question 1: In photosynthesis, energy from light reaction to dark reaction is transferred in the form of
(a) ADP
(b) ATP
(c) RuDP
(d) Chlorophyll
Show Answer & Explanation

Answer: (b) ATP

Explanation:
1. In light reaction, light energy is converted into ATP.

Question 2: Which of the following absorb light energy for photosynthesis?
(a) Chlorophyll
(b) Water molecule
(c) O2
(d) RuBP
Show Answer & Explanation

Answer: (a) Chlorophyll

Explanation:
1. Light energy absorbed by photosynthetic pigments. i.e., chlorophyll.

Question 3: How many electrons, protons and photons are involved in the lysis of water to evolve one molecule of oxygen?
(a) 4e–, 4H+ & 4 photons
(b) 4e–, 4H+ & 8 photons
(c) 2e–, 2H+ & 8 photons
(d) 2e–, 2H+ & 4 photons
Show Answer & Explanation

Answer: (b) 4e–, 4H+ & 8 photons

Explanation:
1. 2H2O  8 Photons  4H  O2  4e.

Question 4: The primary acceptor, during CO2 fixation in C3 plants, is
(a) Phosphoenolpyruvate (PEP)
(b) Ribulose 1, 5-diphosphate (RuDP)
(c) Phosphoglyceric acid (PGA)
(d) Ribulose monophosphate (RMP)
Show Answer & Explanation

Answer: (b) Ribulose 1, 5-diphosphate (RuDP)

Explanation:
1. In C3 plants, CO2 acceptor is RuDP.

Question 5: What will be the number of Calvin cycles to generate one molecule of hexose?
(a) 8
(b) 9
(c) 4
(d) 6
Show Answer & Explanation

Answer: (d) 6

Explanation:
1. In one cycle, one molecule of CO2 reduced.
2. DHAP RUBP Carbon compound So six cycle will be required for one hexose.

Question 6: In C3 plants, the first stable product of photosynthesis during the dark reaction is
(a) Malic acid
(b) Oxaloacetic acid
(c) 3-phosphoglyceric acid
(d) Phosphoglyceraldehyde
Show Answer & Explanation

Answer: (c) 3-phosphoglyceric acid

Explanation:
1. 3 PGA is first stable product in C3 plants.

Question 7: Bundle sheath cells
(a) Are rich in RuBisCo
(b) Are rich in PEP carboxylase
(c) Lack RuBisCo
(d) Lack both RuBisCo and PEP carboxylase
Show Answer & Explanation

Answer: (a) Are rich in RuBisCo

Explanation:
1. Bundle sheath cells are rich in RuBisCo.
2. Here C3 cycles occur.

Question 8: Presence of bundle sheath is a characteristic of
(a) Xerophytic plants
(b) Members of the grass family
(c) C4 plants
(d) C3 plants
Show Answer & Explanation

Answer: (c) C4 plants

Explanation:
1. Distinct bundle sheath present in C4 plants.

Question 9: The CO2 fixation during C4 pathway occurs in the chloroplast of
(a) Guard cells
(b) Bundle sheath cells
(c) Mesophyll cells
(d) Spongy parenchyma
Show Answer & Explanation

Answer: (c) Mesophyll cells

Explanation:
1. C4 pathway occurs in the mesophyll cells.

Question 10: In C4 plants, CO2 combines with
(a) Phosphoenol pyruvate
(b) Phosphoglyceraldehyde
(c) Phosphoglyceric acid
(d) Ribulose monophosphate
Show Answer & Explanation

Answer: (a) Phosphoenol pyruvate

Explanation:
1. CO2 PEP OAA Malic acid.

Question 11: Which is the first CO2 acceptor enzyme in C4 plants?
(a) RuDP carboxylase
(b) Phosphoric acid
(c) RuBisCo
(d) PEP carboxylase
Show Answer & Explanation

Answer: (d) PEP carboxylase

Explanation:
1. PEP carboxylase in the mesophyll cells.

Question 12: Which pair is wrong?
(a) C3-Maize
(b) C4-Kranz anatomy
(c) Calvin cycle-PGA
(d) Hatch and Slack cycle – OAA
Show Answer & Explanation

Answer: (a) C3-Maize

Explanation:
1. Maize is C4 plant.

Question 13: In sugarcane plant, 14CO2 is fixed in malic acid. Which of the enzyme that fixes CO2?
(a) Ribulose biphosphate carboxylase
(b) Phosphoenol pyruvic acid carboxylase
(c) Ribulose phosphate kinase
(d) Fructose phosphatase
Show Answer & Explanation

Answer: (b) Phosphoenol pyruvic acid carboxylase

Explanation:
1. PEP carboxylase.

Question 14: Which one of the following is wrong in relation to photorespiration ?
(a) Ist oxidation in chloroplast
(b) It occurs in day time only
(c) It is a characteristic of C4 plants
(d) It is a characteristic of C3 plants
Show Answer & Explanation

Answer: (c) It is a characteristic of C4 plants

Explanation:
1. Photorespiration is characteristic of C3 plants.

Question 15: Maximum absorption of light occurs in the region of
(a) 1000 - 1200 nm
(b) 1500 – 2000 nm
(c) 400 - 700 nm
(d) 700 – 900 nm
Show Answer & Explanation

Answer: (c) 400 - 700 nm

Explanation:
1. PAR → visible region, 400 – 700 nm.

Question 16: The rate of photosynthesis is higher in
(a) Very high light
(b) Continuous light
(c) Red light
(d) Green light
Show Answer & Explanation

Answer: (c) Red light

Explanation:
1. Maximum photosynthesis occurs in red light.

Question 17: Plants adapted to low light intensity have
(a) Larger photosynthetic unit size than the sun plants
(b) Higher rate of CO2 fixation than the sun plants
(c) More extended root system
(d) Leaves modified to spines
Show Answer & Explanation

Answer: (a) Larger photosynthetic unit size than the sun plants

Explanation:
1. Number of chlorophyll molecules increases to compensate low light intensity.

Question 18: Assertion (A): In C4 plants, chloroplasts of bundle sheath cells are granal.
Reason (R): PS II is mostly found in appressed part of granum.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation

Answer: (d) Both Assertion and Reason are false.

Explanation:
1. In Bundle sheath cells PS II absent which implies agranal chloroplast.

Question 19: Assertion (A): Dark acidification occurs in CAM plants.
Reason (R): Organic acids are decarboxylated during night.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation

Answer: (c) Assertion is true but the Reason is false.

Explanation:
1. Dark acidification is reaction occurs in Night and organic acid like malic acid is decarboxylated during day.

Question 20: Assertion (A): Assimilatory power in photosynthesis is generated in ETS occuring in thylakoid membrane.
Reason (R): They are needed for CO2 reduction and RuBP regeneration.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation

Answer: (b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.

Explanation:
1. ATP produced is required for carrying out different metabolic activities, biosynthetic reaction taking place in stroma, responsible for fixation of CO2 and synthesis of sugar.

Question 21: Assertion (A): Light harvesting complexes (LHC) on thylakoid membrane broaden the range of light absorption.
Reason (R): They transfer e– to reaction centre.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation

Answer: (c) Assertion is true but the Reason is false.

Explanation:
1. Antenna molecules transfer electron to Reaction Centre.

Question 22: Assertion (A): For every CO2 molecule entering C3 cycle, three molecules of ATP and two NADPH are required.
Reason (R): Cyclic photophosphorylation takes place to meet the difference in number of ATP.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation

Answer: (b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.

Explanation:
1. Cyclic photophosphorylation is needed to meet difference in number of ATP but no correlation with Ist statement.

Question 23: Assertion (A): Carotenoids protect plant from excessive heat and prevent photooxidation of chlorophyll.
Reason (R): Carotenoids enable a wider range of wavelength of incoming light to be utilised for photosynthesis.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation

Answer: (b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.

Explanation:
1. Carotenoids provide protection to chlorophyll from nascent oxygen.

Question 24: Assertion (A): Most of the photosynthesis takes place in the blue and red region of spectrum.
Reason (R): Action spectrum shows the amount of energy of different wavelength of light absorbed by pigments.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation

Answer: (c) Assertion is true but the Reason is false.

Explanation:
1. Action spectrum depicts the magnitude of a response of biological system to light as function of wavelength.
2. For e.g.,  action spectrum of photosynthesis can be constructed from measurements of O2 evolution at different wavelengths.

Question 25: Assertion (A): Tropical plants are more efficient in CO2 utilization.
Reason (R): C3 plants ensure that RuBisCO functions as carboxylase minimising oxygenase activity.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation

Answer: (c) Assertion is true but the Reason is false.

Explanation:
1. At high CO2 concentration RuBisCO enzyme acts as carboxylase enzyme.

Free study material for Biology

Download Chapter MCQs: NEET Biology Photosynthesis In Higher Plants

Download Multiple Choice Questions: Photosynthesis In Higher Plants (NEET Biology)

Review structured objective questions for NEET Biology Photosynthesis In Higher Plants. Built according to official NEET guidelines, these MCQ sets support daily revision and core concept reinforcement.

Concept Clarification for Photosynthesis In Higher Plants

Cross-reference your completed choices with comprehensive NCERT solutions for NEET Biology to ensure absolute clarity across all sub-topics in this chapter.

Additional Study Resources for NEET Biology

Follow up your worksheet practice by attempting the interactive online Biology MCQ test for this chapter to evaluate your execution speed. All platform resources are free to access.

FAQs

Where can I access latest NEET Biology Photosynthesis in Higher Plants MCQs Set 11?

You can get most exhaustive NEET Biology Photosynthesis in Higher Plants MCQs Set 11 for free on StudiesToday.com. These MCQs for NEET Biology are updated for the 2026-27 academic session as per NEET examination standards.

Are Assertion-Reasoning and Case-Study MCQs included in the Biology NEET material?

Yes, our NEET Biology Photosynthesis in Higher Plants MCQs Set 11 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the NEET paper is now competency-based.

How do practicing Biology MCQs help in scoring full marks in NEET exams?

By solving our NEET Biology Photosynthesis in Higher Plants MCQs Set 11, NEET students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Biology.

Do you provide answers and explanations for NEET Biology Photosynthesis in Higher Plants MCQs Set 11?

Yes, Biology MCQs for NEET have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused NEET exams.

Can I practice these Biology NEET MCQs online?

Yes, you can also access online interactive tests for NEET Biology Photosynthesis in Higher Plants MCQs Set 11 on StudiesToday.com as they provide instant answers and score to help you track your progress in Biology.