1. Microorganisms are both beneficial and harmful. Which of these microorganisms is needed by plants?
a. lactobacilli
c. phytoplankton
b. nitrogen-fixing bacteria
d. virus

2. Which of the following is not a characteristic of sexual reproduction?
a. produces unique off springs c.involves two parents
b. there is genetic variation d. rate of reproduction is fast

3. It is a kind of asexual reproduction where the single parent divides into two. a. binary fission c. regeneration
b. budding d. spore formation

4. Which abiotic factor carries nutrients from roots to other parts of the plant?
a. air c. sun b. soil
d. water

5. Which does not belong to the group? a. female: ovum c. pistil: stamen
b. male: pollen d. sporangium: spore

6. What part of the flower becomes the seed/s?
a. ovary c. pistil
b. ovule d. stamen

7. Which of these processes of reproduction does not involve a single parent?
a. budding c. pollination
b. fragmentation d. spore formation

8. Which of the following microorganisms is a protozoan?
a. E. coli c. tinea pedis
b. Plasmodium vivax d. red tide

9. Which is not an abiotic factor?
a. fungi
c. sun
b. oxygen
d. temperature​