Biology 9 Chapter 4

1. Cowpox is a disease caused by viruses in:

a) Human beings
b) Plants
c) Goat
d) Horses

2. cancer is a disease caused by:
a) Viruses
b) Fungi
c) Bacteria
d) Algae

3. Bacteria were discovered by:
a) Robert Kock
b) Louis Pasteur
c) W.M.Stanley
d) Leeuwenhock

4. Bacteria were discovered in:
a) 1897
b) 1887
c) 1697
d) 1667

5. Bacteria size ranges from:
a) 3 Um to 7 Um
b) 0.01 Um to 0.3 Um
c) 2 Um to 8 Um
d) I Um to 10 um

6. On the basis of shape and size bacteria are of:
a) Two types
b) Four types
c) Three Types
d) Five types

7. Bacilli bacteria are:
a) Spiral shaped
b) Rounded
c) Rod-like
d) Comma- shaped

8. Bacterial cell wall is composed of:
a) Fats and Protein
b) Carbohydrates and amino acids
c) Protein anf facts
d) Water and Protein

9. In bacteria Enzymes needed for respiration are found in:
a) Cell membrane
b) Ribosomes
c) Nucleus
d) Mitochondia

10. Pneumonia is a disease caused by:
a) Algae
b) Viruses
c) Bacteria
d) Cyanobacteria

11. One gram of fertile soil contains:
a) One million bacteria
b) Two million bacteria
c) Half million bacteria
d) Thousand million bacteria

12. Match The Items........ Rounded

a) Spirilla
b) Cocci
c) Cattle

13. Match The Items........ Rod- like

a) Spirilla
b) Cocci
c) Bacilli
d) Cattle

14. Match The Items........ Spiral shape

a) Vibrios
b) Human being
c) Spirilla
d) Cattle

15. Match The Items........ Comma shaped

a) Potato
b) Vibrios
c) Cattle
d) Human being

16. Match The Items........ Mouth and Foot disease

a) Potato
b) Cattle
c) Human being
d) Plants

17. Match The Items........ Common cold & Influenza

a) Thick walled cells
b) Plants
c) Human being
d) Potato

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