Question Paper
Class / Subject: Class 8 (SSC) · Science (सामान्य विज्ञान)
Chapter: Chapter 1 — Chapter 1: Living World and Classification of Microbes
Time Allowed: 32 minutes
Max Marks: 16
1. What are bacteria? [1]
(A) Single-celled microorganisms
(B) Multi-celled large organisms
(C) Only harmful microbes
(D) Non-living particles
2. Are all bacteria harmful? [1]
(A) No, some are beneficial
(B) Yes, all are harmful
(C) Bacteria don't exist
(D) Only some exist
3. What are viruses? [1]
(A) Microscopic agents reproducing in host cells
(B) Large multi-celled organisms
(C) Always beneficial microbes
(D) Non-living rocks
4. What disease do viruses cause? [1]
(A) Influenza (flu)
(B) Only tuberculosis
(C) Only malaria
(D) No diseases
5. What are fungi examples? [1]
(A) Yeasts and moulds
(B) Only bacteria
(C) Only viruses
(D) Only protozoa
6. What beneficial use do fungi have? [1]
(A) Bread-making
(B) Only causing disease
(C) No beneficial use
(D) Only crop damage
7. What are protozoa? [1]
(A) Single-celled organisms
(B) Multi-celled large organisms
(C) Non-living particles
(D) Only viruses
8. What disease do protozoa cause? [1]
(A) Malaria
(B) Only flu
(C) Only tuberculosis
(D) No diseases
9. What are bacteria? [1]
(A) Single-celled microorganisms
(B) Multi-celled large organisms
(C) Only harmful microbes
(D) Non-living particles
10. Are all bacteria harmful? [1]
(A) No, some are beneficial
(B) Yes, all are harmful
(C) Bacteria don't exist
(D) Only some exist
11. What are viruses? [1]
(A) Microscopic agents reproducing in host cells
(B) Large multi-celled organisms
(C) Always beneficial microbes
(D) Non-living rocks
12. What disease do viruses cause? [1]
(A) Influenza (flu)
(B) Only tuberculosis
(C) Only malaria
(D) No diseases
13. What are fungi examples? [1]
(A) Yeasts and moulds
(B) Only bacteria
(C) Only viruses
(D) Only protozoa
14. What beneficial use do fungi have? [1]
(A) Bread-making
(B) Only causing disease
(C) No beneficial use
(D) Only crop damage
15. What are protozoa? [1]
(A) Single-celled organisms
(B) Multi-celled large organisms
(C) Non-living particles
(D) Only viruses
16. What disease do protozoa cause? [1]
(A) Malaria
(B) Only flu
(C) Only tuberculosis
(D) No diseases