Questions

QUESTIONS

(A)   Fill in the blank:

1. Organisms that could not be seen by naked eyes are called as ______.

Ans: (Micro organisms)

2. Small objects/organisms can be seen with the help of ______.

Ans: (Microscope)

3. Micro organisms can be broadly divided into _____ major groups.

Ans: (five)

4. _____ is a group of microbes which is always unicellular and prokaryotic.

Ans: (Bacteria)

5. _____ is the group of microbes which can synthesize its own food.

Ans: (Algae)

6. Protozoa are _____ and _____.

Ans: (Eukaryotic, Unicellular)

7. The outermost boundary of fungi cell is _____ but it shows _____ mode of nutrition.

Ans: (Cell wall, saprophytic)

8. _____ are placed on border of living & non-living things.

Ans: (Virus)

9. Amoeba is an example of _____.

Ans: (Protozoa)

10. An organism that possesses property of living as unicellular but can live in colony later is placed in group _____.

Ans: (Fungi)

11. _____ reproduce only inside the cells of the host organism.

Ans: (Viruses)

(B)   Match the following:

Ans: 1 – c; 2 – a; 3 – d; 4 – b

(C)   Multiple Choice Questions:

1. Viruses reproduce only inside the cells of the ______.

(a) Plants           (b) Animals       (c) Bacteria       (d) All of the above

Ans: (d)

2. Which of the following microorganisms can be multi-cellular?

(a) Bacteria       (b) Protozoa      (c) Fungi            (d) Virus

Ans: (c)

3. Which is the negative impact of microorganism on human life?

(a) Food poisoning                       (b) Brewing industry

(c) Soil fertility                              (d) None

Ans: (a)

4. Which of the following are microorganisms?

(a) Bacteria       (b) Viruses        (c) Fungi            (d) All of the above

Ans: (d)

5. Amoeba belongs to ______ group.

(a) Protozoa      (b) Fungi           (c) Algae            (d) Virus

Ans: (a)

6. Which of the following is connecting link between living and non-living?

(a) Protozoa      (b) Fungi           (c) Virus             (d) Algae

Ans: (c)