This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Anoxygenic and oxygenic photosynthesis are respectively shown by A) Green algae and red algae. B) Red algae and monocots. C) Pigmented sulphur bacteria &cyanobacteria. D) BGA and higher plants. Show Answer Correct Answer: C) Pigmented sulphur bacteria &cyanobacteria. 2. At what concentration does carbon dioxide become potentially damaging to plants over longer periods? A) 0.01 percent. B) 0.03 percent. C) 0.05 percent. D) 0.04 percent. Show Answer Correct Answer: C) 0.05 percent. 3. Which statement about photosynthesis is false? A) In green plants PSI and PSII are required for the synthesis of NADPH + H$^{+}$. B) Photosynthesis is a redox process; H2O is oxidised, CO$_{2}$ is reduced. C) Photosynthesis is a physio-chemical process. D) None. Show Answer Correct Answer: D) None. 4. In which part of the plant does the majority of photosynthesis occur? A) Roots. B) Stem. C) Leaves. D) Flowers. Show Answer Correct Answer: C) Leaves. 5. Photosystem I (PS I) and photosystem II (PSII) are named- A) In the sequence of their discovery. B) In the sequence in which they function during light reaction. C) In the sequence of their positions. D) In the sequence of e transfer. Show Answer Correct Answer: A) In the sequence of their discovery. 6. What is not a source of error in the investigation we just conducted? A) The setting of the light intensity. B) The setting of the distance. C) The counting of the bubble rate. D) The calculation of the average rate over a minute. Show Answer Correct Answer: C) The counting of the bubble rate. 7. Oxygen is not produced during photosynthesis by A) Cycas. B) Nostoc. C) Green sulphur bacteria. D) Chara. Show Answer Correct Answer: C) Green sulphur bacteria. 8. Which one is not an accessory photosynthetic pigment? A) Chl b. B) Xanthophyll. C) Carotene. D) Chl a. Show Answer Correct Answer: D) Chl a. 9. What are the main stages of the light-independent reactions? A) Light absorption, electron transport, and ATP synthesis. B) NADPH production, oxygen release, and glucose formation. C) Chlorophyll activation, water splitting, and carbon release. D) The main stages are carbon fixation, reduction phase, and regeneration of RuBP. Show Answer Correct Answer: D) The main stages are carbon fixation, reduction phase, and regeneration of RuBP. 10. Because of properties of chlorophyll, plants need adequate ..... light to grow properly- A) Green. B) Blue and red. C) Infrared. D) Ultraviolet. Show Answer Correct Answer: B) Blue and red. 11. The porphyrin ring is composed of A) 4 Pyrrole rings. B) 4 Toluene rings. C) 4 Phenol rings. D) 4 Aniline rings. Show Answer Correct Answer: A) 4 Pyrrole rings. 12. Which of the following is produced during the process of cellular respiration? A) Carbon dioxide. B) Sodium chloride. C) Oxygen. D) Sugar. Show Answer Correct Answer: A) Carbon dioxide. 13. How does light intensity affect photosynthesis? A) Increased light intensity boosts the rate of photosynthesis up to a certain point, beyond which it plateaus. B) Light intensity has no effect on photosynthesis. C) Higher light intensity always leads to higher rates of photosynthesis without limits. D) Photosynthesis only occurs in the absence of light. Show Answer Correct Answer: A) Increased light intensity boosts the rate of photosynthesis up to a certain point, beyond which it plateaus. 14. Photosynthesis worded equation A) Carbon dioxide + water in the presence of sunlight and chlorophyll = glucose + oxygen. B) Water + oxygen in the presence of sunlight and chlorophyll = glucose + carbon dioxide. C) Carbon dioxide + water in the presence of sunlight = glucose + oxygen. D) Water + oxygen in the presence of chlorophyll = glucose + carbon dioxide. Show Answer Correct Answer: A) Carbon dioxide + water in the presence of sunlight and chlorophyll = glucose + oxygen. 15. Which enzyme is responsible for the regeneration of RuBP in the Calvin cycle? A) Ribulose bisphosphate carboxylase/oxygenase (RuBisCO). B) Glyceraldehyde-3-phosphate dehydrogenase. C) Fructose bisphosphate aldolase. D) Phosphoglycerate kinase. Show Answer Correct Answer: A) Ribulose bisphosphate carboxylase/oxygenase (RuBisCO). 16. Which process occurs in the stroma of chloroplasts? A) Light-dependent reactions. B) Calvin cycle. C) Electron transport chain. D) Photolysis of water. Show Answer Correct Answer: B) Calvin cycle. 17. Which of the following outputs of the light dependent reactions of photosynthesis are used in the Calvin cycle? A) CO2 and glucose. B) H2O and O2. C) Electrons and H+. D) ATP and NADPH. Show Answer Correct Answer: D) ATP and NADPH. 18. Any organism that cannot make its own food and gets its energy from eating other organisms is called a ..... A) Heterotroph. B) Consumer. C) Autotroph. D) Decomposer. Show Answer Correct Answer: A) Heterotroph. 19. Who proved that O2 comes from water, not from CO2 in photosynthesis? It was based on the experiment of photosynthesis in purple and green bacteria. A) Van Neil. B) Englemann. C) Arnold. D) Arnon. Show Answer Correct Answer: A) Van Neil. 20. Which organelle performs PHOTOSYNTHESIS? A) Chloroplast. B) Mitochondria. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chloroplast. 21. Photochemical phase of photosynthesis includes ..... A) Light absorption. B) Water splitting. C) Oxygen release. D) All the above. Show Answer Correct Answer: D) All the above. 22. These are the substances needed in photosynthesis, EXCEPT? A) CO$_{2}$. B) H$_{2}$O. C) C$_{6}$H$_{12}$O$_{6}$. D) Minerals. Show Answer Correct Answer: C) C$_{6}$H$_{12}$O$_{6}$. 23. Which of the following is a direct product of photosynthesis? A) Carbon dioxide. B) Glucose. C) Nitrogen. D) Water. Show Answer Correct Answer: B) Glucose. 24. For NADPH + H$^{+}$ formation- A) Only PSI is needed. B) Only PSII is needed. C) Both PSI and PSII are needed. D) Only stroma is needed. Show Answer Correct Answer: C) Both PSI and PSII are needed. 25. What is the energy molecule for all living cells? A) ADP. B) ATP. C) Protein. D) Sugars. Show Answer Correct Answer: B) ATP. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 1Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 2Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 3Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 4Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 5Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 6Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 7Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 8Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 9Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books