Question

5. Which of the following can result in spread of microbes:
i)
Air
ii) Water
iv) All of these
iii) Food
6. The term vaccine was introduced by which scientist?
i)
ii) Robert Hooke
iv) Robert Koch
Edward Jenner
iii) Alexander Flemming
7. Chlorophyll is present in which of the following organisms
ii) Virus
i) Bacteria
iii) Algae
iv) Protozoa
8. Yeast is used in the production of:
iii) Sugar
ii) Alcohol
iv) Oxygen
i) Hydrochloric acid
9. Which of the following does not contribute to nitrogen availability in the soil?
i) Decay of organic matter ii) Lightning iii) Rhizobium iv) Lactobacillus​

Answer 1

Answer:

(5)----Air

(6)-------Edward Jenner

(7)----Bacteria

(8)------ethanol alcohol

(9)--------lactobaccilus

may be all are not correct hope it helps

mark me as the brainliest plzz ⭐⭐