Biology Practice: Photosynthesis and Respiration (Mock Test 1 - Basic)
1. Which part of the plant is referred to as the "food factory" where synthesis occurs?
2. What is the name of the green pigment that captures the sun’s energy for food preparation?
3. During photosynthesis, carbohydrates are ultimately converted into which substance for storage?
4. Which scientist concluded in 1770 that plants restore oxygen to the air?
5. Julius Von Sachs (1854) discovered that chlorophyll is located in special bodies called:
6. Stomata are tiny pores usually found on the:
7. The opening and closing of stomata is regulated by bean-shaped cells called:
8. During the day, stomata open because water moves into the guard cells making them:
9. Which region of the chloroplast is the site for "light dependent" or light reactions?
10. In which phase of photosynthesis is carbon dioxide converted into starch?
11. Chemical energy obtained from light is stored in the form of ________ for later use.
12. What happens to photosynthesis if the concentration of light is extremely high?
13. Why is a potted plant kept in a dark room for 1-2 days before starting a photosynthesis experiment?
14. Which chemical solution is used to test the presence of starch in a leaf?
15. In an experiment with a variegated leaf, which part of the leaf will turn blue-black with iodine?
16. Why is potassium hydroxide (KOH) used in the bell jar experiment?
17. In the lab experiment with Hydrilla, air bubbles emerging in the test tube indicate the release of:
18. True or False: Leaves that are red or brown in color do not contain chlorophyll.
19. Which scientist concluded that sunlight is essential for plant processes that purify air?
20. What is the ultimate source of energy for plants to manufacture food?