This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 1 Nutrition In Plants – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 1 Nutrition In Plants Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The mode of Nutrition in which organisms make food themselves from simple substances. A) Heterotroph. B) Auttotroph. C) Autotroph. D) Heterotrophh. Show Answer Correct Answer: C) Autotroph. 2. What helps in nitrogen fixation A) Rhizobium bacteria. B) Chlorophytes. C) Amylase. D) Root glands. Show Answer Correct Answer: A) Rhizobium bacteria. 3. Main modes of nutrition: A) Heterotrophs. B) Autotrophs. C) Insectivorous. D) Both Heterotrophs and Autotrophs. E) Both heterotrophs and Insectivores. Show Answer Correct Answer: D) Both Heterotrophs and Autotrophs. 4. Pitcher plant traps insects because it grows in soils which lack in ..... (this question is not there in the text) A) Chrophyll. B) Stomata. C) Nitrogen. D) I don't know. Show Answer Correct Answer: C) Nitrogen. 5. Algae is an example of A) Autotrophic nutrition. B) Heterotrophic nutrition. C) Both. D) None of the above. Show Answer Correct Answer: A) Autotrophic nutrition. 6. How do animals get the nitrogen they need? A) From the air they breathe. B) From the water they drink. C) From the food they eat. D) From the sun. Show Answer Correct Answer: C) From the food they eat. 7. The movement of water from less concentrated to the more concentrated solution through a semi-permeable membrane. A) Osmosis. B) Transpiration. C) Diffusion. D) Evaporation. Show Answer Correct Answer: A) Osmosis. 8. The plant on which Cuscuta climbs is called ..... A) Host. B) Sucker. C) Runner. D) Stolen. Show Answer Correct Answer: A) Host. 9. Which one of the following is NOT required for photosynthesis? A) Oxygen. B) Chlorophyll. C) Carbon dioxide. D) None of the above. Show Answer Correct Answer: A) Oxygen. 10. Iodine is used to detect the presence of starch.It gives starch A) Red color. B) Green color. C) Blue back color. D) Colorless appearance. Show Answer Correct Answer: C) Blue back color. 11. Pitcher plant is ..... A) Parasite. B) Insectivorous. C) Saprophytes. D) None of the above. Show Answer Correct Answer: B) Insectivorous. 12. Heterotrophs are those living organisms which depend on other for A) House. B) Water. C) Food. D) Transportation. Show Answer Correct Answer: C) Food. 13. Heterotrophs are also known as ..... A) Producers. B) Consumers. C) All the above. D) None of the above. Show Answer Correct Answer: B) Consumers. 14. Where are the villi located? A) In stomach. B) In small intestine. C) In large intestine. D) In oesophagus. Show Answer Correct Answer: B) In small intestine. 15. Symbiotic relationship is seen in ..... A) Algae. B) Fungi. C) Lichens. D) None of the above. Show Answer Correct Answer: C) Lichens. 16. Plants are called producers because they ..... A) Produce energy. B) Make their own food. C) Are edible. D) Grow from seeds. Show Answer Correct Answer: B) Make their own food. 17. In lichens, ..... and ..... live together. A) Alga,. B) Cuscuta, fungus. C) Alga, fungus. D) Fungus, pitcher plant. Show Answer Correct Answer: C) Alga, fungus. 18. Which Of The Following Equations Is Correct About "Photosynthesis" ? A) Carbon dioxide + Water + (Sunlight and Chlorophyll) $\rightarrow$ Carbohydrates + Ozone. B) Carbon dioxide + Water + (Sunlight and Chlorophyll) $\rightarrow$ Carbohydrates + Oxygen. C) Nitrogen dioxide + Water + (Sunlight and Chlorophyll) $\rightarrow$ Carbohydrates + Ozone. D) . Carbon dioxide + Hydrogen + (Sunlight and Chlorophyll) $\rightarrow$ Carbohydrates + Oxygen. Show Answer Correct Answer: B) Carbon dioxide + Water + (Sunlight and Chlorophyll) $\rightarrow$ Carbohydrates + Oxygen. 19. The presence of ..... in leaves indicates the occurance of photosynthesis. A) Oxygen. B) Starch. C) Proteins. D) Fats. Show Answer Correct Answer: B) Starch. 20. Mushroom is a ..... A) Saprotroph. B) Heterotroph. C) Autotrophs. D) Decaying matter. Show Answer Correct Answer: A) Saprotroph. 21. What is the mode of nutrition called in which organisms make food themselves from simple substances? A) Autotrophic nutrition. B) Heterotrophic nutrition. C) Parasitic nutrition. D) Saprophytic nutrition. Show Answer Correct Answer: A) Autotrophic nutrition. 22. Lichens is an example for ..... plants. A) Saprophytic. B) Symbiotic. C) Parasite. D) None of the above. Show Answer Correct Answer: B) Symbiotic. 23. Silk and ..... are animal fibres. A) Wool. B) Rayon. C) Cotton. D) Jute. Show Answer Correct Answer: A) Wool. 24. Silk is derived from A) Cocoon. B) Pupa. C) Egg. D) Moth. Show Answer Correct Answer: A) Cocoon. 25. There are two modes of nutrition:autotrophic & heterotrophic nutrition. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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