Photosynthesis in Higher Plants MCQ Class 11 Biology Chapter 13 Ans...

Find here the NCERT chapter-wise Multiple Choice Questions from Class 11 Biology Book Chapter 13 Photosynthesis in Higher Plants with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Photosynthesis in Higher Plants. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

NCERT Chapters for Class 11 Biology

Q1. Translocation of carbohydrates or sugars (photosynthetic products) in flowering plants occurs in the form of

(i) Glucose
(ii) Starch
(iii) Maltose
(iv) Sucrose

(iv) Sucrose

Q2. The law of limiting factor was given by

(i) Calvin
(ii) Blackman
(iii) Priestley
(iv) None of these

(ii) Blackman

Q3. Which enzyme is most abundantly found on earth?

(i) Catalase
(ii) Rubisco
(iii) Nitrogenase
(iv) Invertase

(ii) Rubisco

Q4. It is only the green part of the plant, which takes part in

(i) Respiration
(ii) Transpiration
(iii) Photosynthesis
(iv) Osmosis

(iii) Photosynthesis

Q5. Energy is transformed from the light reaction step to the dark reaction step by

(i) ATP
(ii) RUBP
(iii) ADP
(iv) Chlorophyll

(i) ATP

Q6. The primary carbon dioxide acceptor in C4 cycle is

(i) malic acid
(ii) phosphoenol pyruvate
(iii) rubisco
(iv) aspartic acid

(ii) phosphoenol pyruvate

Q7. How many turns of Calvin cycle yield one molecule of glucose?

(i) Eight
(ii) Two
(iii) Six
(iv) Four

(iii) Six

Q8. Photosynthesis is most active in

(i) Sun light
(ii) Yellow light
(iii) Red light
(iv) Green light

(iii) Red light

Q9. A cell that lacks chloroplast does not

(i) Utlize carbohydrates
(ii) Evolve carbon dioxide
(iii) Require water
(iv) Liberate oxygen

(iv) Liberate oxygen

Q10. The end product of the Calvin cycle is

(i) RuBP
(ii) PGAL
(iii) PGA
(iv) ADP + NADP

(i) RuBP

Q11. The process of taking in CO2 by plants and releasing O2 is termed as

(i) Transpiration
(ii) Respiration
(iii) Photosynthesis
(iv) Endosmosis

(iii) Photosynthesis

Q12. Which one of the following statements about cytochrome P-450 is wrong?

(i) It is a colored cell
(ii) It is an enzyme involved in oxidation reaction
(iii) It has an important role in metabolism
(iv) It contains iron

(i) It is a colored cell

Q13. Site of dark reaction is

(i) Granum
(ii) Unit membrane
(iii) Lamella
(iv) Stroma

(iv) Stroma

Q14. The metabolic pathway which produces carbohydrate is

(i) Calvin cycle
(ii) Glycolysis
(iii) Cyclic electron pathway
(iv) Krebs cycle

(i) Calvin cycle

Q15. Respiration and photosynthesis both require

(i) Green cells
(ii) Sunlights
(iii) Cytochromes
(iv) Organic fuel

(iii) Cytochromes

Q16. The function of ATP in photosynthesis is the transfer of energy from the

(i) Dark reaction to the light reaction
(ii) Light reaction to the dark reaction
(iii) Chloroplasts to mitochondria
(iv) Mitochondria to chloroplasts

(ii) Light reaction to the dark reaction

Q17. All vegetation is only due to water was proved experimentally by

(i) Aristotle
(ii) Van Helmont
(iii) Joseph
(iv) Stephen Hales

(ii) Van Helmont

Q18. Which of the following is not an accessory pigment?

(i) Carotene
(ii) Chlorophyll a
(iii) Chlorophyll b
(iv) Xanthophyll

(ii) Chlorophyll a

Q19. Which range of wavelength (in nm) is called photosynthetically active radiation (PAR)?

(i) 400-700
(ii) 760-10,000
(iii) 100-390
(iv) 390-430

(i) 400-700

Q20. ADP + iP = ATP in grana is called:–

(i) Phosphorylation
(ii) Oxidative phosphorylation
(iii) Photophosphorylation
(iv) Photolysis

(iii) Photophosphorylation

Q21. Vegetation always purifies the air was proved experimentally first by

(i) Liebig
(ii) Warburg
(iii) Stephen Hales
(iv) Joseph Priestly

(iv) Joseph Priestly

Q22. Discovery of Emerson effect has already shown the

(i) two distinct photochemical reactions
(ii) light and dark reactions of photosynthesis
(iii) photophosphorylation
(iv) photorespiration

(i) two distinct photochemical reactions

Q23. Chlorophyll in chloroplasts is located in

(i) Grana
(ii) Pyrenoid
(iii) Stroma
(iv) Both grana and stroma

(i) Grana

Q24. Chlorophyll ‘a’ molecule at its carbon atom 3 of the Pyrrole ring II has one of the following:

(i) methyl group
(ii) aldehyde group
(iii) carboxyl group
(iv) magnesium

(i) methyl group

Q25. Wastage of energy is associated with

(i) Krebs cycle
(ii) Photorespiration
(iii) Photosynthesis
(iv) Glycolysis

(ii) Photorespiration

Q26. Translocation of sugar in flowering plants occurs in the form of

(i) glucose
(ii) sucrose
(iii) starch
(iv) maltose

(ii) sucrose

Q27. Algae and other submerged plants bount in water during day time and sink at night, because

(i) They come upto enjoy some time
(ii) They lose weight at night
(iii) They become bouyant due to accumulation of O2 as a result of photosynthesis
(iv) They become light due to food material accumulation

(iii) They become bouyant due to accumulation of O2 as a result of photosynthesis

Q28. When the rate of translocation is slow, the rate of photosyntheis shall

(i) Increase
(ii) Decrease
(iii) Remain Unaffected
(iv) Become Zero

(ii) Decrease

Q29. Who enunciated the law of limiting factor for photosynthesis?

(i) Robert Emerson
(ii) Ruben
(iii) Blackman
(iv) Calvin

(iii) Blackman

Q30. Which one occurs both during cyclic and noncyclic modes of photophosphorylation?

(i) Involvement of both PS I and PS II
(ii) Formation of ATP
(iii) Release of O2
(iv) Formation of NADPH

(ii) Formation of ATP

Q31. The first visible product of photosynthesis is

(i) Starch
(ii) Glycogen
(iii) Sugar
(iv) Fatty acids

(ii) Starch

Q32. Which of the following process (C4 cycle) occurs in bundle sheath cells?

(i) Regeneration
(ii) Fixation
(iii) Carboxylation
(iv) Decarboxylation

(iv) Decarboxylation

Q33. Photosynthesis is most active in

(i) Sun light
(ii) Yellow light
(iii) Red light
(iv) Green light

(iii) Red light

Q34. Which one of the following is represented by Calvin cycle?

(i) Reductive carboxylation
(ii) Oxidative carboxylation
(iii) Photophosphorylation
(iv) Oxidative phosphorylation

(i) Reductive carboxylation

Q35. Photosynthesis has two reaction complexes, one followed by the other. The second seaction complex

(i) Traps light energy
(ii) Fixes carbon dioxide
(iii) Synthesizes starch
(iv) Evolves oxygen

(ii) Fixes carbon dioxide

Q36. Water stress causes

(i) opening of stomata
(ii) increase in metabolic rate
(iii) wilting of leaves
(iv) lesser availability of carbon dioxide

(iii) wilting of leaves

Q37. Structurally, chlorophyll a and b are different as

(i) Chl a has a methyl group and Chl b has an aldehyde group.
(ii) Chl a has an aldehyde group and Chl b has a methyl group.
(iii) Chl a has an ethyl group and Chl b has an aldehyde group.
(iv) Chl a has a carboxyl group and Chl b has an aldehyde group.

(i) Chl a has a methyl group and Chl b has an aldehyde group.

Q38. What is common between chloroplasts, chromoplasts and leucoplasts?

(i) Storage of starch, proteins and lipids
(ii) Possession of thylakoids and grana
(iii) Presence of pigments
(iv) Ability to multiply by a fission-like process

(iv) Ability to multiply by a fission-like process

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