Question

the correct option:
1.The gases used and released during photosynthesis are respectively
a. Oxygen and carbon dioxide b. Nitrogen and carbon dioxide
G Carbon dioxide and oxygen d. Nitrogen and oxygen
2. The experimental leaf (covered with black strips/light screen) used
experiment as light is necessary for photosynthesis, should be tested for
the presence of
a. sugar in leaf b. Starch in leaf c. Water in leafd.co, in leaf
3. Saprophytes obtain their food from:
a. Green plants b. Non green plants c. Decaying waste d. All of these
4. The cell enclosed by a thin outer membrane is called
a. Nucleus b. Cell membrane c. Cytoplasm d. None of these
5. Rhizopus is a
a. Autotroph b. Heterotroph c. Saprophyte d. None of these
6. Which solution is used to test the starch?
a. Chlorine solution
b. lodine solution
c. Both of these
d. None of these
7. Plant structures that carry food from leaves to the roots are
a. xylem
b.phloem
c. guard cells
d. both xylem and phloem
8. Pea plant form a symbiotic association with a/an
c. bacterium d. virus
a fungus b. alga
9. Which of these is/are required for photosynthesis?
b. Sunlight and water
a. Chlorophyll
d. All of these
c. Carbon dioxide
10. Plants obtain carbon dioxide from the atmosphere through these structure
c. Stomata d. None of these
a. Grana b. Stroma
11. Pitcher plant traps insects because it
b.grows in soils which lack in nitrogen
a. is a heterotroph
d. has a digestive system like humans
C. does not chlorophyll
12.The symbiotic association is seen in which of the following?
c. Fungi d . Bacteria
a. Lichens b. Algae
13. Farmers use manure and fertilizers to
b. replenish soil
a, replenishes plant
d. replenish fungi
c. replenishes air​

Answer 1

Answer:

1. a

2. b

3. d

4. a

5. a

6. a

7. d

8.d

9.d

10.c

11.c

12. a

13. b