Class 7 Science

Chapter 1 – Nutrition in Plants

Assignment 1

 

Q.1. What are the raw materials required for photosynthesis?

Q.2. Name two plants that exhibit partially heterotrophic mode of nutrition.

Q.3. Define nutrients.

Q.4. Define nutrition.

Q.5. What are the main elements present in carbohydrates?

Q.6. Write down the chemical equation for photosynthesis.

Q.7. Which part of an insectivorous pitcher plant is modified to form pitcher?

Q.8. What is the role of chlorophyll in photosynthesis?

Q.9. Name two saprotrophic organisms.

Q.10. What is the mode of nutrition in algae?

Q.11. Define symbiosis.

Q.12. Why do the farmers add manures and fertilizers to the crop field?

Q.13. Name the bacteria which exhibit symbiotic association with roots of legume crops.

Q.14. Give one example each of an autotroph and a heterotroph.

Q.15. What are the products of photosynthesis?

Q.16. Define stomata.

Q.17. What kind of energy conversion takes place during photosynthesis?

Q.18. Which two organisms are involved in the symbiotic association called lichens?

Q.19. Which mode of nutrition is present in fungi?

Q.20. Name a non-green parasitic plant.

 

Online Tuitions & Self-Study Courses for Grade 6 to 12 & JEE / NEET