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Answer the following problems.

problem 1)(a) Anti-malarial drugs kill the parasites in the blood but they do not cure the disease. Why is this?

(b) Why was the use of DDT insecticide not successful in eradicating malaria?

problem 2) Which group of fungi is most commonly used to convert sugar to alcohol?

problem 3) (a) When sugar is fermented, alcohol is produced. What other substance is produced?

(b) What effect does this substance have in

(i) baking,

(ii) beer brewing?

problem 4) Which one of the following is not a product of biotechnology?

flour, cheese, antibiotics, yoghurt

problem 5) Name one biotechnological process which makes use of protozoa.

problem 6) From what type of organisms are antibiotics obtained?

Biology, Academics

  • Category:- Biology
  • Reference No.:- M95228

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