I. Choose the best 4 x 1 = 4 1. Pea plants form a symbiotic association with a/an

a. fungus b. alga c. bacterium d. virus

2. Which of these obtain nutrition from dead and decaying matter?

a. parasitic plants b. saprophytic plants c. insectivorus plants d. symbiotic plants

3. Plants obtain carbon dioxide from the atmosphere through these structures.

a. grana b. stroma c. stomata d. thylakoid

4. Which of these are/is required for photosynthesis?

a. chlorophyll b. sunlight and water c. carbon dioxide d. all of these