Chapter 20 - Man and Biology - Test 1

Biology Class 10
1. Virus may pass from the infected mother to the fetus during pregnancy.

1) True   2) False
2. Poliomyelitis is caused by bacteria.

1) False   2) True
3. Influenza is an illness affecting upper respiratory tract.

1) True   2) False
4. Bacillary dysentery is caused by round shaped (Cocci) bacteria.

1) False   2) True
5. Vibro cholera is non-capsulated and cannot with stand dry condition.

1) True   2) False
6. Antibiotics are used to kill pathogenic bacteria but they do not harm viruses.

1) True   2) False
7. Mosquito is a biological vector for the transmission of yellow fever pathogen.

1) True   2) False
8. In man, the parasite enters through the bite of a male anopheles mosquito.

1) True   2) False
9. Tapeworms are hermaphrodite i.e. each proglottid has one sex.

1) True   2) False
10. Thread worms are very small, only 2 inches long

1) True   2) False
11. The liver fluke is roundworm.

1) True   2) False
12. Athlete s foot is also a bacterial disease.

1) False   2) True
13. Protozoan are single tissue organism, which vary in size and shape.

1) False   2) True
14. All of the bacteria are not pathogens.

1) True   2) False
15. Viruses are only visible under electric microscope.

1) True   2) False
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