Class 7 English Chapter 10 Fire Friend And Foe Quiz 7 (25 MCQs)

Quiz Instructions

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1. FROM WHICH BOOK IS THIS LESSON TAKEN FOR THE TEXT BOOK
2. Which of the following diseases is caused by a fungus?
3. Bacteria is known as ..... in an ecosystem when feeding on dead organisms.
4. ..... is used for the production of alcohol and wine.
5. Which of them is not a microbe
6. The gas released during the prepration of bread is
7. Some bacteria is known as ..... and cause disease.
8. Edward Jenner discovered vaccine for
9. The bread dough rises because of1) Kneading 2) Heat 3) Grinding 4) Growth of yeast cells
10. Fire brigade is:
11. Malaria is caused by which type of microbe?
12. A chemical reaction takes place when
13. The following is an antibiotic-
14. The algae that fixes atmospheric nitrogen from air and thus enriches the soil with nitrogenous compound for plants is
15. The different colors in algae are caused by .....
16. Living organism that we cannot normally see with our naked eyes are called
17. When you blow on smouldering paper, it often bursts into .....
18. Lowering the temperature below the flash point:
19. Carrier of malaria causing protozoan is 1) Butterfly 2) Housefly 3) Female Anopheles Mosquito 4) Cockroach
20. Fungi is beneficial to us beacause of the following reason
21. Which of the following is not used as food preservatives?
22. When was fire discovered?
23. The two micro-organisms which live in symbiotic association in lichens are
24. Which of the following is not responsible for spoilage of food?
25. Cholera is caused by