Suggest a suitable word for each of the following statements. (a) Che

1.	Suggest a suitable word for each of the following statements. (a) Chemicals added to food to prevent the growth of microorganisms. (b) Nitrogen-fixing microorganism present in the root nodules of legumes. (c) Agent which spreads pathogens from one place to another. (d) Chemicals which kill or stop the growth of pathogens.
Answer» (a) Preservatives (b) Rhizobium (c) Carrier/vector (d) Antibiotics

Suggest a suitable word for each of the following statements. (a) Chemicals added to food to prevent the growth of microorganisms. (b) Nitrogen-fixing microorganism present in the root nodules of legumes. (c) Agent which spreads pathogens from one place to another. (d) Chemicals which kill or stop the growth of pathogens.

Answer»

(a) Preservatives

(b) Rhizobium

(d) Antibiotics