Class 8 Microorganisms Friend And Foe CBSE Questions & Answers
Class 8 · Microorganisms Friend And Foe
This is Science Class 8 Microorganisms Friend And Foe CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
Microbes are present :
- AeverywhereCorrect
- Bair, water
- Cwater, soil
- Dsoil, air, polluted water
2
Which of the following microorganism lives alone:
- AFungi
- BAmoebaCorrect
- Call Cyanobacteria
- Dall Bacteria
3
Bacilli bacteria are :
- Aball shaped
- Bsphere shaped
- Crod shapedCorrect
- Dcomma shaped
4
Anaerobic bacteria will not need :
- Afood to grow
- Bboth of these
- Coxygen to growCorrect
- Dnone of these
5
Microorganisms are never found in a :
- Amarine water
- Bnone of theseCorrect
- Chot water spring
- Dice cold water
6
Fungi are :
- Aanimal like
- Bplant likeCorrect
- Calways saprophytes
- Dalways unicellular
7
Which of the following is acellular?
- AvirusCorrect
- Byeast
- Clichen
- Drhizobium
8
Bacteriophage is a :
- Abacteria
- BvirusCorrect
- Cprotozoa
- Dfungi
9
Curd formations needs :
- Alactic acid bacteriumCorrect
- Ball the above
- Ccitric acid bacterium
- Dacetic acid bacterium
10
Which of the following organism is used in cheese ripening?
- Aprotozoa
- BmouldsCorrect
- Cbacteriophages
- Dlactobacilli
11
Yeast is not used in the preparation of :
- AantibioticCorrect
- Bbread
- Calcohol
- Ddhokla
12
Which is a viral disease?
- Amalaria
- BdengueCorrect
- Ctetanus
- Dtyphoid
13
Which is a fungal disease in human?
- Aamoebiasis
- Btuberculosis
- CathleteCorrect
- Danthrax
14
TMV causes disease in :
- Ahuman infants
- Btimber plants
- Ctobacco plantCorrect
- Dtomato plant
15
BCG vaccine given to infants protects them from :
- Atuberculosis bacteriaCorrect
- Bmalarial bacteria
- Cchicken pox virus
- Dpolio bacteria