Skip to content
Philoid
Browse Saved
Back to chapter
Biology
5. Why Do We Fall Ill?
Home · Class 9 · Biology · Ref. Book · 5. Why Do We Fall Ill?
Prev
Next
Q6 of 328 Page 297

What are antibiotics? Give two examples.

Antibiotics. An antibiotic is a biochemical produced by a microorganism (e.g. Bacteria or fungi) which kills or block growth of other microorganism (pathogens) by blocking their life processes without harming human cells. The examples are penicillin, streptomycin.


More from this chapter

All 328 →
4

Name two diseases caused by protozoans.

What are their causal organisms?

5

Which bacterium causes peptic ulcers? Who discovered the pathogen for the first time?

7

Fill in the blanks.

(a) Pneumonia is an example of .... disease.


(b) Many skin diseases are caused by ..........


(c) Antibiotics commonly block biochemical pathways important for the growth of ........


(d) Living organisms carrying the infecting agents from one person to another are called

8

Name the target organs of the following diseases :

(a) Hepatitis targets ………


(b) Fit or unconsciousness targets


(c) Pneumonia targets ...............


(d) Fungal disease targets

Questions · 328
5. Why Do We Fall Ill?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 3 4 1 2 2 3 3 4 4 5 6 7 8 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1 2 3 4 5 6 7 8 9 9 10 11 12 13 14 15 16 17 18 19 20 21 1 2 3 1 1 2 3 4 1 1 1 2 2 3 4 4 5 5 5 6 6 7 7 8 8 9 9 10 10 11 12 12 13 13 14 15 16 17 17 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 2 3 4 5 6 7 8
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved