This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 1 Nutrition In Plants – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 1 Nutrition In Plants Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Oxygen liberated during photosynthesis come from A) Water. B) Carbon dioxide. C) Glucose. D) ChlorophyII. Show Answer Correct Answer: A) Water. 2. Green plants use which of the following to prepare food? A) Carbon dioxide. B) Sunlight. C) Water. D) Chlorophyll. E) All of these. Show Answer Correct Answer: E) All of these. 3. Which chapter is this A) Nutrients in plants. B) Nutrition in humans. C) Nutrients in animals. D) Nutrition in us. Show Answer Correct Answer: A) Nutrients in plants. 4. Which gas plant inhale which humans exhale A) Lithium. B) Oxygen. C) Carbon-dioxide. D) Nitrogen. Show Answer Correct Answer: C) Carbon-dioxide. 5. The small pores found in leaves and controlled by guard cells are called A) Chloroplast. B) Nucleus. C) Stomata. D) Plastid cells. Show Answer Correct Answer: C) Stomata. 6. Sunlight is necessary for photosynthesis to take place. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. Mode of nutrition in which organisms take in nutrients from dead and decaying matter is A) Parasites. B) Saprophytes. C) Symbionts. D) Autotrophs. Show Answer Correct Answer: B) Saprophytes. 8. Why does temperature have an effect on the rate of photosynthesis? A) Higher temperature allows carbon dioxide to diffuse into the leaves faster. B) Higher temperature allows water to be transported to the leaves faster. C) Higher temperature allows the stomata to open wider. D) Higher temperature allows the enzymes to function better. Show Answer Correct Answer: D) Higher temperature allows the enzymes to function better. 9. THE TERM PHOTOSYNTHESIS WAS COINED IN ..... A) 1857. B) 1900. C) 1893. D) 1839. Show Answer Correct Answer: C) 1893. 10. Which part of the plant gets carbon dioxide from the air for photosynthesis A) Root hair. B) Stomata. C) Leaf veins. D) None of the above. Show Answer Correct Answer: B) Stomata. 11. What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds? A) Nitrogen composition. B) Nitrogen fixation. C) Ammonia. D) Denitrification. Show Answer Correct Answer: B) Nitrogen fixation. 12. Modes of Nutrition A) Autotrophic, Autotrophs, heterotrophs. B) Base. C) Acid. D) Salt. Show Answer Correct Answer: A) Autotrophic, Autotrophs, heterotrophs. 13. The small holes in leaves that gases use to entre and leave the plant: A) Chloroplasts. B) Stomata. C) Xylem vessels. D) Phloem vessels. Show Answer Correct Answer: B) Stomata. 14. Organism that totally dependent on the other organism forfood are called ..... mode of nutrition. A) Parasitic. B) Symbiotic. C) Heterotrophic. D) Autotrophic. Show Answer Correct Answer: C) Heterotrophic. 15. Which gas do plants release during photosynthesis? A) Oxygen. B) Carbon. C) Helium. D) Carbon dioxide. Show Answer Correct Answer: A) Oxygen. 16. Micronutrients with more important ion-ion contact by diffusion: A) P e K. B) N e P. C) Like E B. D) Mn e ZN. Show Answer Correct Answer: D) Mn e ZN. 17. The ..... helps in mixing saliva with food. A) Heart. B) Stomach. C) Nose. D) Tongue. Show Answer Correct Answer: D) Tongue. 18. Pitcher plant is an example of ..... plant. A) Fungi. B) Leguminous. C) Insectivorous. D) Algae. Show Answer Correct Answer: C) Insectivorous. 19. Organism which prepare food for themselves using simple natural available from materials are referred to a A) Heterotrophs. B) Autotrophs. C) Parasites. D) Saprophytes. Show Answer Correct Answer: B) Autotrophs. 20. In Greek, (Photo= ..... and synthesis= ..... ) A) Not here. B) Don't know. C) Rotten, Food. D) Light, to combine. Show Answer Correct Answer: D) Light, to combine. 21. The Digested food is absorbed by ..... A) Small Intestine. B) Large Intestine. C) Lungs. D) Brain. Show Answer Correct Answer: A) Small Intestine. 22. What is the ultimate source of energy for all living organisms? A) Water Energy. B) Wind Energy. C) Solar Energy. D) Chemical Energy. Show Answer Correct Answer: C) Solar Energy. 23. SOME ALGAE AND FUNGI ALSO LIVE IN ..... A) ROOTS. B) STEMS. C) ROCK. D) SOIL. Show Answer Correct Answer: A) ROOTS. 24. During photosynthesis plants A) Take oxygen and release carbon dioxide. B) Take carbon dioxide and release oxygen. C) Take carbon dioxide but do not release oxygen. D) Take oxygen but do not release carbon dioxide. Show Answer Correct Answer: B) Take carbon dioxide and release oxygen. 25. Which components in plants traps the light energy and convert it into chemical energy? A) Stomata. B) Chlorophyll. C) Stem. D) Leaf. Show Answer Correct Answer: B) Chlorophyll. ← PreviousNext →Related QuizzesClass 7 Science Chapter 1 Nutrition In Plants Quiz 1Class 7 Science Chapter 1 Nutrition In Plants Quiz 2Class 7 Science Chapter 1 Nutrition In Plants Quiz 3Class 7 Science Chapter 1 Nutrition In Plants Quiz 4Class 7 Science Chapter 1 Nutrition In Plants Quiz 5Class 7 Science Chapter 1 Nutrition In Plants Quiz 6Class 7 Science Chapter 1 Nutrition In Plants Quiz 7Class 7 Science Chapter 1 Nutrition In Plants Quiz 8Class 7 Science Chapter 1 Nutrition In Plants Quiz 9Class 7 Science Chapter 1 Nutrition In Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books