Question

B. State true or false.
1. Viruses are both friend and foe to human beings.
2. Bacteria cannot prepare their own food,
3. Red and brown algae do not possess chlorophyll.
4. Yeasts make the dough fluffy due to liberation of CO2.
5. Vaccines stimulate the development of antibodies against the pathogens in the body.
6. Malaria is a waterborne disease.​

Answer 1

Answer:

1) false

2) true

3)false

4) false

5) true

6) true

Answer 2

Answer:

1) TRUE

2) FALSE

3) FALSE

4) TRUE

5) FALSE

6) TRUE.

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