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- 1. Multiple Choice
A Bacteria responsible for curdling of milk is
Rhizobium
Oscillatoria
Lactobacillus
Plasmodium
- 2. Multiple Choice
The Fermentation process is discovered by
Louis Pasteur
Alexander flaming
Edward jenner
John Mendal
- 3. Multiple Choice
Mushroom belongs to
Algae
Virus
Fungi
None of the above
- 4. Multiple Choice
Rhizobium bacteria
Help in Digestion
Help in nitrogen fixation
Cause diseases
All the above
- 5. Multiple ChoiceWhich of the following statements are true?All microorganisms are badAll microorganisms are goodSome microorganisms are harmful, while some can be helpfulMicroorganisms are too small to do anything to anyone
- 6. Multiple Choice
Blue- green algae can fix atmospheric_______ in the soil
Carbon
Nitrogen
Oxygen
All of the above
- 7. Multiple Choice
Cholera is caused by________________
Fungi
Bacteria
Algae
None of the above
- 8. Multiple Choice
The bread or idli dough rises because of
Heat
Grinding
Growth of yeast cells
fermentation
- 9. Multiple Choice
Malaria is caused by
Protozoa
Virus
Algae
Bacteria
- 10. Multiple Choice
Penicillin is a
Algae
Fungus
Vaccine
Bacteria
- 11. Multiple Choice
Which of the following is an antibiotic
Sodium Bicarbonate
Streptomycin
Alchohol
Yeast
- 12. Multiple Choice
Name a disease which is common in human and other animals
Rabies
Anthrax
Social anxiety
Cholera
- 13. Multiple Choice
What are some communicable diseases?
Cholera
Common cold
Chicken Pox
Alzheimer's
Dyslexia
- 14. Multiple Choice
Which of the following statements about freezing as a method of food preservation is INCORRECT?
It helps to slow down the growth of food spoiling bacteria.
It kills the bacteria present in the food.
It helps to slow down the enzyme activity of food spoiling bacteria
The water inside the food freezes into ice crystals
- 15. Multiple Choice
Assertion: Pasteurisation is the method to preserve milk.
Reason: In pasteurisation, the milk is heated to high temperature and cool down slowly.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false. A is false but R is true.
Both A and R are false.
- 16. Multiple Choice
How can you avoid microorganisms?
You can't
Wash your hands
Use hand-sanitizer
cook chicken completely
- 17. Multiple Choice
Beneficial or Harmful?
bacteria used to make cheese and yogurt
beneficial
harmful
- 18. Multiple Choice
_________________ bacteria are in your _________________ to help digest food.
Helpful; throat
Helpful; stomach
Harmful; esophagus
Harmful; lungs
- 19. Multiple Choice
A preparation of weakened or killed pathogens.
Bacteria
Antibiotic Resistance
Vaccine
Capsid
- 20. Multiple Choice
What is an antibiotic?
a rapid spread of a disease around the world
a type of bacteria living in human cells
a medicine that attacks harmful microbes
a disease for which there is no known cure
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