SUBJECT : BIOLOGY marks :15
TOPIC : HARMFUL MICRO ORGANISM
Answer the following Questions in 2 or 3 lines 3X2=6M
1. Define pathogen? Give an example to it?
2. What is meant by communicable diseases? Name some of them?
3. What are preventive measures should we take to avoid diseases?
Answer the following Questions in 1or 2 lines 3X1=3M
4. Name the pathogen and vector of malaria disease?
5. How can we control mosquito population?
6. In what way disease causing germs enters healthy person from infected one?
Fill in the blanks 6X1/2=3M
7. Disease causing organisms are carried by_________.
8. _________ works on malaria disease and got noble prize.
9. House flies lives on__________.
10. _________ Vaccination given to measles, mumps.
11. The BCG vaccination useful to protect from_________.
12. Varisella vaccine for__________.
Match the following 6X1/2=3M
13. Malaria( ) a.Contaminated water
14. Dengue( )b.Sep 20th.
15. Tuberculosis( )c.Protozoa
16. Housefly(. )d.Aug 20th.
17. Cholera,Typhoid( )e.Virus
18. Malaria day( )f.Vector
Answers
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Answer:
1) Pathogens are microorganisms whic causres diseases
2) communicable diseases can spreador can passfrom an infected to a healthy person
3)By eating nutritious food, not eating street food etc
4)Female Anopheles
5) By not letting dirty water to collect as it can lead to breeding of mosquito
6) Many ways like air,water,food,contact etc
7)
8) Alphonse Leveran
9)Trash bin, road
10) Measle Mump Rubella MR
11) Tuberculosis
12) Chicken pox
13)-c
14)-e
15)
16)-f
17) a
18)d
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