This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In photosynthesis, food is synthesised . A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. Chlorophyll has a ..... like configuration A) Frog. B) Earthworm. C) Tadpole. D) Fish. Show Answer Correct Answer: C) Tadpole. 3. During photosynthesis, energy is stored in the form of- A) Oxygen. B) Carbon Dioxide. C) Glucose. D) Water. Show Answer Correct Answer: C) Glucose. 4. In which eukaryotic organelles does photosynthesis occur? A) Mitochondria. B) Stomata. C) Xylem. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 5. In an experiment, a plant is placed under a green light. What is the expected outcome on the rate of photosynthesis? A) Increased rate of photosynthesis. B) Decreased rate of photosynthesis. C) No change in the rate of photosynthesis. D) Photosynthesis stops completely. Show Answer Correct Answer: B) Decreased rate of photosynthesis. 6. Which layer in the atmosphere protects us form harmful UV radiation? A) Ozone. B) Troposphere. C) Ionosphere. D) Exosphere. Show Answer Correct Answer: A) Ozone. 7. What are the major requirements for photosynthesis? A) Water. B) Sunlight. C) Carbon dioxide. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. Openings at the bottom of a leaf A) Stoma. B) Guard Cells. C) Filament. D) None of the above. Show Answer Correct Answer: A) Stoma. 9. The red colour of chillies & tomato is due to pigment A) Chlorophyll. B) Lycopene. C) Lutien. D) Zeaxanthin. Show Answer Correct Answer: B) Lycopene. 10. Who discovered the role of light and green parts of the plants in purifying the noxious air- A) Von Mayr. B) De saussure. C) Sachs. D) Jan Ingenhousz. Show Answer Correct Answer: D) Jan Ingenhousz. 11. What is the impact of carbon dioxide concentration on photosynthesis? A) Lower carbon dioxide concentration enhances the rate of photosynthesis. B) Higher carbon dioxide concentration enhances the rate of photosynthesis. C) Carbon dioxide concentration has no effect on photosynthesis. D) Higher carbon dioxide concentration reduces the rate of photosynthesis. Show Answer Correct Answer: B) Higher carbon dioxide concentration enhances the rate of photosynthesis. 12. What is in plants' leaves that makes the glucose for the plant? A) Chlorophyll. B) Stomata. C) Oxygen. D) Water. Show Answer Correct Answer: A) Chlorophyll. 13. What is the relationship between photosynthesis and cellular respiration? A) Photosynthesis occurs only at night while cellular respiration happens during the day. B) Cellular respiration produces glucose and oxygen, which are used in photosynthesis. C) Photosynthesis and cellular respiration are unrelated processes that do not affect each other. D) Photosynthesis produces glucose and oxygen, which are used in cellular respiration to generate energy. Show Answer Correct Answer: D) Photosynthesis produces glucose and oxygen, which are used in cellular respiration to generate energy. 14. What are the openings in the leaves called? A) Doorlets. B) Stomata. C) Windows. D) Chloroplasts. Show Answer Correct Answer: B) Stomata. 15. Which of the following is directly associated with Photosystem I? A) Harvesting light energy to make ATP. B) Receiving electrons from the thylakoid membrane ETC. C) Generation of molecular oxygen. D) Extraction of hydrogen electrons from the splitting of water. Show Answer Correct Answer: B) Receiving electrons from the thylakoid membrane ETC. 16. What is the overall equation for photosynthesis? A) C6H12O6 + 6O2 $\rightarrow$ 6CO2 + 6H2O + light energy. B) 6CO2 + 6H2O + light energy $\rightarrow$ C6H12O6 + 6O2. C) 6O2 + 6H2O + light energy $\rightarrow$ C6H12O6 + 6CO2. D) 6CO2 + 6H2O $\rightarrow$ C6H12O6 + 6O2 + heat. Show Answer Correct Answer: B) 6CO2 + 6H2O + light energy $\rightarrow$ C6H12O6 + 6O2. 17. Where does photosynthesis take place in the plant cell? A) Nucleus. B) Cytoplasm. C) Chloroplasts. D) Mitochondria. Show Answer Correct Answer: C) Chloroplasts. 18. Shane is studying rates of photosynthesis in cells, what organelle would he expect to find more of in a cell conducting higher rates of photosynthesis? A) Nucleus. B) Mitochondria. C) Chloroplast. D) Ribosomes. Show Answer Correct Answer: C) Chloroplast. 19. How does temperature influence photosynthesis? A) Temperature has no effect on photosynthesis. B) Higher temperatures always increase photosynthesis rates. C) Temperature only affects water absorption in plants. D) Temperature influences photosynthesis by affecting enzyme activity and stomatal function. Show Answer Correct Answer: D) Temperature influences photosynthesis by affecting enzyme activity and stomatal function. 20. In PSI the reaction centre Chl a has absorption maxima at ..... , while in PSII the reaction centre Chl a has absorption maxima at ..... A) 700 nm, 680 nm. B) 680 nm, 700 nm. C) 400 nm, 500 nm. D) 700 nm, 800 nm. Show Answer Correct Answer: A) 700 nm, 680 nm. 21. Where do the enzymatic reactions of the Calvin cycle take place? A) Stroma of the chloroplast. B) Thylakoid membranes. C) Matrix of the mitochondria. D) Thylakoid space. Show Answer Correct Answer: A) Stroma of the chloroplast. 22. Which of the following represents the process of photosynthesis? A) C6H12O6+6O2$\rightarrow$6CO2+6H2O. B) 6CO2+6H2O$\rightarrow$C6H12O6+6O2. C) 2H2O$\rightarrow$2H2+O2. D) 2H2+O2$\rightarrow$2H2O. Show Answer Correct Answer: B) 6CO2+6H2O$\rightarrow$C6H12O6+6O2. 23. How do plants impact the increasing greenhouse effect created by the burning of fossil fuels? A) Plants absorb CO2 from the atmosphere, decreasing the effect. B) Plants release CO2 to the atmosphere, increasing the effect. C) Plants have no impact on the greenhouse effect. D) None of the above. Show Answer Correct Answer: A) Plants absorb CO2 from the atmosphere, decreasing the effect. 24. What gas is taken in by plants during photosynthesis? A) Oxygen. B) Nitrogen. C) Carbon Dioxide. D) Hydrogen. Show Answer Correct Answer: C) Carbon Dioxide. 25. At the highest levels in our atmosphere, the oxygen produced from photosynthesis transforms into A) Ozone. B) Magnetic Field. C) CO2. D) H2O. Show Answer Correct Answer: A) Ozone. ← 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