NCERT Class 11 Chapter 13 Biology Photosynthesis in Higher Plants MCQ

NCERT Class 11 Chapter 13 Biology Photosynthesis in Higher Plants MCQ | Questions & Answers: Those who wish to take an online MCQ Quiz for the NCERT Class 11 Chapter 13 Biology Photosynthesis in Higher Plants are in the right place. In the below section we have provided many questions that can enable you to test your knowledge about the Class 11 Chapter 13 Biology Photosynthesis in Higher Plants topic.

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1. Quantasomes are present in

A. chloroplast

B. golgi body

C. lysosome

D. None of these

2. Photorespiration is favoured by

A. high O₂ and low CO₂

B. low light and high O₂

C. low temperature and highO₂

D. None of these

3. The organelles which take part in photo-respiration are

A. mitochondria, chloroplast, peroxisome

B.M mitochondria, lysosomes, peroxisome

C. chloroplast, mitochondria, lysosome

D. hloroplast, mitochondria, nucleus

4. Grana are present inside the

A. chloroplast

B. ribosome

C. mitochondria

D. endoplasmic reticulum

5. Photosynthetically active radiation is represented by the range of wavelength of

A. 400 - 700 nm

B. 400 - 950 nm

C. 340 - 450 nm

D. 500 - 600 nm

6. Which of the following statement is incorrect ?

A. C3 plants respond to higher temperature, show higher photosynthetic rate while C4 plants have lower optimum temperature

B. Tropical plants have higher temperature optimum than the plants adapted to temperate climate

C. The effect of water as a factor is more through its effect on plant, rather than directly on photosynthesis

D. Light reaction is less temperature sensitive than dark reaction.

7. Chemiosmotic hypothesis given by Peter Mitchell proposes the mechanism of

A. synthesis of ATP

B. synthesis of NADH

C. synthesis of NADPH

D. None of these

8. RuBisCO stands for

A. Ribulose Biphosphate Carboxylase Oxygenase

B. Ribulose Phosphate Carboxylase Oxygenase

C. Ribulose Phosphate Carboxylic Oxygenase

D. None of the above

9. Which enzyme is most abundantly found on earth?

A. RuBisCo

B. Nitrogenase

C. Invertase

D. Catalase

10. The first carbon dioxide acceptor in C₄-plants is

A. Phosphoenol-pyruvate

B. Ribulose 1, 5-diphosphate

C. Oxalo-acetic acid

D. None of these

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11. Which element is required in the germination of pollen grain?

A. Boron

B. Chlorine

C. Potassium

D. Calcium

12. In a CAM plant, the concentration of organic acid

A. increases during night

B. decreases or increases during day

C. decreases during the day

D. increases during the day.

13. Which of the following statements regarding photorespiration are true?

A. All of the above

B. Photorespiration results in a loss of usable carbon dioxide

C. Photorespiration is a metabolically expensive pathway

D. Photorespiration is avoided when CO₂ is abundant

14. When a photosynthetic plant is transferred to an atmosphere of enriched O₂ its rate of

A. photosynthesis would decrease.

B. respiration would decrease

C. osmosis would increase

D. None of these

15. In C₄ plants, agranal chloroplasts are found in

A. bundle sheath cells

B. chloroplasts of guard cells

C. epidermal cell chloroplasts of green stem

D. mesophyll cells

16. Photorespiration is favored by

A. high O₂ and low CO₂

B. low light and high O₂

C. low temperature and high O₂

D. None of these

17. In the leaves of C₄ plants, malic acid formation during CO₂ fixation occurs in the cells of

A. mesophyll

B. phloem

C. epidermis

D. bundle sheath

18. In photosystem-I the first electron acceptor is

A. an iron-sulphur protein

B. cytochrome

C. plastocyanin

D. ferredoxin

19. Which one of the following pigment does not occur in the chloroplast?

A. Anthocyanin

B. Xanthophyll

C. Carotene

D. Chlorophyll 'b'

20. Which pigment is water soluble?

A. Anthocyanin

B. Chlorophyll

C. Carotene

D. Xanthophyll

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21. A very efficient converter of solar energy with net productivity of 2-4 kg/m2 or more is the crop of

A. wheat

B. sugarcane

C. rice

D. bajra

22. In C₄-plants, Calvin cycle operates in

A. stroma of bundle sheath chloroplasts

B. grana of bundle sheath chloroplasts

C. grana of mesophyll chloroplasts

D. stroma of mesophyll chloroplasts

23. The substrate for photorespiration is

A. ribulose bis-phosphate

B. glycolate

C. serine

D. glycine

24. Greatest producers of organic matter are

A. crop plants

B. forests

C. plants of the land area

D. phytoplankton of oceans

25. Kranz anatomy is typical of

A. C₄- plants

B. C₃- plants

C. C₂-plants

D. CAM plants