Class 9 | Useful and Harmful Microbes

Flash Card

Find the odd man out: AIDS, Hepatitis, Leprosy, Dengue.

1/30

Find the odd man out: Tetracycline, Penicillin, Gentamycin, Erythromycin.

2/30

Find the odd man out: Pneumonia, Diphtheria, Chickenpox, Cholera.

3/30

Bacteria found in the root nodules of leguminous plants are ............. .

4/30

Find the odd man out: Lactobacilli, Rhizobia, Yeast, Clostridia

5/30

Find the odd man out: Cholera, Leprosy, Pneumonia, Influenza.

6/30

A yeast ................... is used to absorb the toxins released during the production of palm oil.

7/30

Pneumonia is caused by ........... .

8/30

Antibiotic penicillin was discovered by........

9/30

Yoghurt has a specific sour taste due to ............. .

10/30

The ............. destroys harmful microbes present in the milk.

11/30

............ proved that the anaerobic bacterium Clostridium botulinum, is responsible for food poisoning.

12/30

Malaria is caused by............ .

13/30

........ can grow and reproduce only in living cells.

14/30

The bacteria which spoil cooked food are.............

15/30

........... can be prevented by vaccination.

16/30

Find the odd man out: Root rot, rust (tambere), rubella, mozaic

17/30

AIDS is caused by............. .

18/30

The Lactobacilli convert lactose, the sugar in the milk, into........ .

19/30

Molasses is fermented with the help of yeast called .........

20/30

Dengue is caused by.............. .

21/30

Fungi release ............ into the food, making the food poisonous.

22/30

Bacteria causes..............

23/30

Bird flu (H7N9 ) and swine flu (H1 N1 ) are caused by............

24/30

Lactobacilli kill the harmful bacteria like ............. present in the alimentary canal.

25/30

........... is a narrow-spectrum antibiotic.

26/30

During fermentation, yeast cells convert carbohydrates into ...........

27/30

Antibiotics mainly act against ..................

28/30

................ is a broad-spectrum antibiotic.

29/30

Find the odd man out: Ampicillin, Amoxycillin, Penicillin, Tetracycline.

30/30
Class 9 Science Useful and Harmful Microbes

Class 9 | Useful and Harmful Microbes

1 / 30

Find the odd man out: Root rot, rust (tambere), rubella, mozaic

2 / 30

……….. can be prevented by vaccination.

3 / 30

The Lactobacilli convert lactose, the sugar in the milk, into…….. .

4 / 30

AIDS is caused by…………. .

5 / 30

…….. can grow and reproduce only in living cells.

6 / 30

The bacteria which spoil cooked food are………….

7 / 30

Find the odd man out: Pneumonia, Diphtheria, Chickenpox, Cholera.

8 / 30

During fermentation, yeast cells convert carbohydrates into ………..

9 / 30

Yoghurt has a specific sour taste due to …………. .

10 / 30

Molasses is fermented with the help of yeast called ………

11 / 30

………… proved that the anaerobic bacterium Clostridium botulinum, is responsible for food poisoning.

12 / 30

……….. is a narrow-spectrum antibiotic.

13 / 30

Bacteria causes…………..

14 / 30

Pneumonia is caused by ……….. .

15 / 30

Find the odd man out: Tetracycline, Penicillin, Gentamycin, Erythromycin.

16 / 30

Bacteria found in the root nodules of leguminous plants are …………. .

17 / 30

Find the odd man out: AIDS, Hepatitis, Leprosy, Dengue.

18 / 30

Find the odd man out: Cholera, Leprosy, Pneumonia, Influenza.

19 / 30

Dengue is caused by………….. .

20 / 30

Antibiotics mainly act against ………………

21 / 30

Find the odd man out: Ampicillin, Amoxycillin, Penicillin, Tetracycline.

22 / 30

Find the odd man out: Lactobacilli, Rhizobia, Yeast, Clostridia

23 / 30

……………. is a broad-spectrum antibiotic.

24 / 30

Lactobacilli kill the harmful bacteria like …………. present in the alimentary canal.

25 / 30

Malaria is caused by………… .

26 / 30

A yeast ………………. is used to absorb the toxins released during the production of palm oil.

27 / 30

Antibiotic penicillin was discovered by……..

28 / 30

Bird flu (H7N9 ) and swine flu (H1 N1 ) are caused by…………

29 / 30

The …………. destroys harmful microbes present in the milk.

30 / 30

Fungi release ………… into the food, making the food poisonous.

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