Nutrition in Plants

Grade 7 Science — Nutrition in Plants: 25 practice questions with instant scoring and explanations.

1. Which process do green plants use to make their own food?
2. In the photosynthesis equation, what does the plant use as input along with carbon dioxide?
3. What is an autotrophic organism?
4. Which of the following is a heterotrophic plant?
5. A saprotroph is an organism that
6. Insectivorous plants like Venus flytrap obtain nitrogen mainly from
7. What is the relationship called when two organisms live together and benefit each other?
8. In the symbiotic relationship between a plant and mycorrhizal fungi, the fungus helps the plant by
9. Which of the following is a parasitic plant that feeds on host plants?
10. The green pigment in plant cells that captures light energy is called
11. Where in the plant cell is chlorophyll located?
12. Which product of photosynthesis is used by the plant for its own energy needs?
13. The oxygen released during photosynthesis comes from
14. Heterotrophic plants cannot survive independently because they lack
15. A plant that produces glucose but cannot photosynthesize must obtain it from
16. Which of the following shows a correct food chain in nature?
17. Bacteria and fungi that break down dead matter and return nutrients to soil are called
18. Which structure in a plant cell is responsible for absorbing light energy?
19. The raw materials needed for photosynthesis are
20. A cactus plant has adapted to desert conditions by
21. Symbiosis between legume plants and nitrogen-fixing bacteria is beneficial because
22. Which of these is NOT a requirement for photosynthesis?
23. The parasitic plant Rafflesia obtains all its nutrients from its host plant because it
24. When a plant cell photosynthesizes, it produces glucose which is used for
25. In an aquatic ecosystem, algae are considered