Photosynthesis in Higher Plants NEET Questions with Answers:
Candidates who wish to prepare for the NCERT board exam and for the NEET exam can prepare better using our MCQ Questions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants with Answers. From here candidates can download the Photosynthesis in Higher Plants NEET questions in Pdf format . These will help aspirants to be familiar with an NEET examination. Along with that, due to the regular practice of these MCQ questions, candidates will get to know their strengths and weak topics in the Photosynthesis in Higher Plants Chapter.
Photosynthesis in Higher Plants MCQ for NEET:
1. Which of the following is not a product of light reaction of photosynthesis?
(1) ATP
(2) NADH
(3) NADPH
(4) Oxygen
Answer: 2
2. Oxygen is not produced during photosynthesis by_________
(1) Green sulphur bacteria
(2) Nostoc
(3) Cycas
(4) Chara
Answer: 1
3. The common feature between non-cyclic and cyclic photophosphorylation is_________
(1) Proton gradient formation
(2) Release of O2
(3) Formation of NADPH + H+
(4) Photolysis of water
Answer: 1
4. Name the scientist, who first pointed out that plants purify foul air by bell jar experiment?
(1) Willstatter
(2) Robert Hooke
(3) Priestley
(4) Jean Senebier
Answer: 3
5. Of the total amount of water absorbed by the plant, its actual percentage used during photosynthesis is_________
(1) 50%
(2) 90%
(3) 1%
(4) 25%
Answer: 3
6. Moll's half leaf experiment explains that_______
(1) Carbon dioxide is essential for photosynthesis
(2) Chlorophyll and water are necessary for photosynthesis
(3) Light and water are essential for photosynthesis
(4) All the above are correct
Answer: 1
7. Oxygen during photosynthesis comes from water was proved with the help of O18 experiment by________
(1) Ruben and Kamen
(2) Hill
(3) Warburg
(4) Blackman
Answer: 1
8. Name of the scientist who pointed out the importance of different wavelengths of light using a green algae and aerobic bacteria________
(1) Priestley
(2) Ingen-Housz
(3) K.V. Thimann
(4) Englemann
Answer: 4
9. Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because___________
(1) Four carbon acids are the primary initial CO2 fixation products
(2) The primary fixation of CO2 is mediated via PEP carboxylase
(3) Effective pumping of CO2 into bundlesheath cells
(4) Rubisco in C4 plants has higher affinity for CO2
Answer: 3
10. Due to increase in concentration of CO2_______
(1) Photosynthesis increases
(2) Photosynthesis decreases
(3) Water absorption efficiency increases
(4) Water absorption efficiency decreases
Answer: 1
11. Choose the correct statement about C4 plants______
(1) Mesophyll cells possess RuBisCO
(2) Neither mesophyll cells nor bundle sheath cells Poses RuBisCO
(3) Mesophyll cells have PEPcase which convert CO2 into OAA
(4) Bundle sheath cells synthesise OAA which is a 4 carbon compounds
Answer: 3
12. In CAM plants, photophosphorylation occurs in__________
(1) Bundle sheath cell, during night
(2) Mesophyll cell, during day time
(3) Mesophyll cell, during night
(4) Bundle sheath cell, during day time
Answer: 2
13. In Calvin cycle, CO2 is fused with primary acceptor molecule to form 3C compound phosphoglycerate. If in this reaction CO2 provides one carbon then how many carbons are present in primary acceptor molecule ?
(1) Five carbons
(2) Two carbons
(3) Six carbons
(4) Three carbons
Answer: 1
14. In photosynthesis, NADPH + H+ are oxidised in________
(1) Calvin cycle
(2) noncyclic photophosphorylation
(3) cyclic photophosphorylation
(4) Z-scheme
Answer: 1
15. Enzyme, which can catalyse both carboxylation and oxygenation of RuBP in the chloroplast, is not found in which of the following cells ?
(1) Mesophyll cells of C4 plants
(2) Mesophyll cells of C3 plants
(3) Mesophyll cells of CAM plants
(4) Bundle sheath cells of C4 plants
Answer: 1
16. Why are C4 plants more efficient?
(1) They show photorespiration
(2) They have RuBisCO in mesophyll cells
(3) They can tolerate high temperature
(4) They have a mechanism of concentrating CO2 at the place of RuBisCO enzyme action.
Answer: 4
17. The second acceptor of CO2 in C4 plants is_______
(1) PEP
(2) Malate
(3) Aspartate
(4) RuBP
Answer: 4
17. With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
(1) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate
(2) C3 plants respond to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum
(3) Tomato is a greenhouse crop which can be grown in CO2 - enriched atmosphere for higher yield
(4) Light saturation for CO2 fixation occurs at 10% of full sunlight
Answer: 2
18. Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in____________
(1) C4 plants
(2) C2 plants
(3) C3 and C4 plants
(4) C3 plants
Answer: 1
19. Emerson's enhancement effect and red drop have been instrumental in the discovery of_____________
(1) Photophosphorylation and non-cyclic electron transport
(2) Two photosystems operating simultaneously
(3) Photophosphorylation and cyclic electron transport
(4) Oxidative phosphorylation
Answer: 2
20. In a chloroplast the highest number of protons are found in___________
(1) Stroma
(2) Lumen of thylakoids
(3) Inter membrane space
(4) Antennae complex
Answer: 2
21. In Calvin cycle which step involve utilisation of 2 molecules of ATP for phosphorylation and two of NADPH2 per CO2 molecule fixed ?
(1) Regeneration
(2) Carboxylation
(3) Reduction
(4) All of above
Answer: 3
22. Which character make C4 plants special ?
(1) Special type of leaf anatomy
(2) They can tolerate high temperature
(3) Show response to high light intensities
(4) All of the above
Answer: 4
23. Most abundant enzyme in the world is_______
(1) Collagen
(2) RubisCO
(3) PEPcase
(4) Pyruvate dikinase
Answer: 2
24. PS-II is physically located on________
(1) Inner side of the membrane of the thylakoid
(2) Outer side of the membrane of the thylakoid
(3) Middle of the membrane of the thylakoid
(4) None of the above
Answer: 1
25. For every CO2 molecule entering the Calvin cycle, required energy is______
(1) 3 ATP and 2 NADPH
(2) 2 ATP and 3 NADPH
(3) 3 ATP and 3 NADPH
(4) 2 ATP and 2 NADPH
Answer: 1
26. In C4 plants, bundle sheath cells are characterised by______
(1) Large number of chloroplasts
(2) Thick walls impervious to gaseous exchange
(3) No intercellular spaces
(4) All the above
Answer: 4
27. A plant in your garden avoids photorespiratory losses, has improved water use efficiency shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation.
In which of the following physiological groups would you assign this plant ?
(1) C3
(2) C4
(3) CAM
(4) Nitrogen fixer
Answer: 2
28. The process which makes major difference between C3 and C4 plants are__________
(1) Photorespiration
(2) Respiration
(3) Glycolysis
(4) Calvin cycle
Answer: 1
29. Which of the following statements is correct?
(1) RuBisCO is present in the mesophyll cells of C4 plants
(2) RuBisCO is present in the mesophyll cells of C3 plants
(3) PEPcase is present in the bundle sheath cells of C4 plants
(4) Both RuBisCO and PEPcase are present in mesophyll cells of C4 plant
Answer: 2
30. CAM helps the plants in__________
(1) Conserving water
(2) Secondary growth
(3) Disease resistance
(4) Reproduction
Answer: 1
31. In Kranz anatomy, the bundle sheath cells have________
(1) thick walls, many intercellular spaces and few chloroplasts
(2) thin walls, many intercellular spaces and no chloroplasts.
(3) thick walls, no intercellular spaces and large number of chloroplasts.
(4) thin walls, no intercellular spaces and several chloroplasts.
Answer: 3
32. A process that makes important difference between C3 and C4 plants is_____________
(1) Photosynthesis
(2) Photorespiration
(3) Transpiration
(4) Glycolysis
Answer: 2
33. The correct sequence of cell organelles during photorespiration is_______
(1) Chloroplast-mitochondria-peroxisome
(2) Chloroplast-vacuole-peroxisome
(3) Chloroplast-Golgibodies-mitochondria
(4) Chloroplast-Rough endoplasmic reticulum Dictyosomes
Answer: 1
34. Anoxygenic photosynthesis is characteristic of___________
(1) Rhodospirillum
(2) Spirogyra
(3) Chlamydomonas
(4) Ulva
Answer: 1
35. Chromatophores take part in______
(1) Respiration
(2) Photosynthesis
(3) Growth
(4) Movement
Answer: 2