MCQ Questions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants with Answers

MCQ Questions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants with Answers

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Photosynthesis in Higher Plants Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.


Q1. The process of taking in CO2 by plants and releasing O2 is termed as

(a) Transpiration
(b) Respiration
(c) Photosynthesis
(d) Endosmosis

(c) Photosynthesis


Q2. How many turns of Calvin cycle yield one molecule of glucose?

(a) Eight
(b) Two
(c) Six
(d) Four

(c) Six


Q3. The function of ATP in photosynthesis is the transfer of energy from the

(a) Dark reaction to the light reaction
(b) Light reaction to the dark reaction
(c) Chloroplasts to mitochondria
(d) Mitochondria to chloroplasts

(b) Light reaction to the dark reaction


Q4. Which enzyme is most abundantly found on earth?

(a) Catalase
(b) Rubisco
(c) Nitrogenase
(d) Invertase

(b) Rubisco


Q5. Photosynthesis is an oxidation reduction process, the materials that is oxidised is

(a) CO2
(b) NADP
(c) H2O
(d) PGA

(c) H2O


Q6. Which one of the following is represented by Calvin cycle?

(a) Reductive carboxylation
(b) Oxidative carboxylation
(c) Photophosphorylation
(d) Oxidative phosphorylation

(a) Reductive carboxylation


Q7. Respiration and photosynthesis both require

(a) Green cells
(b) Sunlights
(c) Cytochromes
(d) Organic fuel

(c) Cytochromes


Q8. Photosynthetically active radiation (PAR) represents which of the following range of wavelength?

(a) 340-450 nm
(b) 400-700 nm
(c) 450-950 nm
(d) 500-600 nm

(b) 400-700 nm


Q9. In plants during the process of photosynthesis

(a) CO2 is taken in
(b) O2 is taken in
(c) CO2 is taken out
(d) O2 is taken in and CO2 is given out

(a) CO2 is taken in


Q10. Which range of wavelength (in nm) is called photosynthetically active radiation (PAR)?

(a) 400-700
(b) 760-10,000
(c) 100-390
(d) 390-430

(a) 400-700


Q11. Which one of the following statements about cytochrome P-450 is wrong?

(a) It is a colored cell
(b) It is an enzyme involved in oxidation reaction
(c) It has an important role in metabolism
(d) It contains iron

(a) It is a colored cell


Q12. Discovery of Emerson effect has already shown the existence of :–

(a) Two distinct photosystems
(b) Light and dark reactions of photosynthesis
(c) Photophosphorylation
(d) Photorespiration

(a) Two distinct photosystems


Q13. The concentration of CO2 in the atmosphere is approximately

(a) 0.003%
(b) 0.03%
(c) 0.30 %
(d) 3.00 %

(b) 0.03%


Q14. What is common between chloroplasts, chromoplasts and leucoplasts?

(a) Storage of starch, proteins and lipids
(b) Possession of thylakoids and grana
(c) Presence of pigments
(d) Ability to multiply by a fission-like process

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


Q15. During ATP synthesis electron pass through

(a) Water
(b) Cytochromes
(c) O2
(d) CO2

(b) Cytochromes


Q16. Kranz anatomy is a feature of

(a) C3 plants
(b) CAM plants
(c) C4 plants
(d) All of these

(b) CAM plants


Q17. Which of the following is a 4-carbon compound?

(a) Oxaloacetic acid
(b) Phosphoglyceric acid
(c) Ribulose biphosphate
(d) Phosphoenolpyruvate

(a) Oxaloacetic acid


Q18. Which of the following process (C4 cycle) occurs in bundle sheath cells?

(a) Regeneration
(b) Fixation
(c) Carboxylation
(d) Decarboxylation

(d) Decarboxylation


Q19. Light reactions of photosynthesis occurs in

(a) stroma
(b) thylakoid
(c) grana
(d) cytoplasm of cell

(c) grana


Q20. Water stress causes

(a) opening of stomata
(b) increase in metabolic rate
(c) wilting of leaves
(d) lesser availability of carbon dioxide

(c) wilting of leaves


Q21. Photosynthesis is most active in

(a) Sun light
(b) Yellow light
(c) Red light
(d) Green light

(c) Red light


Q22. The specific characteristic of C4-plants is:

(a) bulliform cells
(b) isobilateral leaf
(c) kranz anatomy
(d) parallel veins configuration

(c) kranz anatomy


MCQ Questions for Class 11 Biology with Answers Chapter Wise


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