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Subject: Science, asked on 22/7/17

Why do we consider viruses to be harmful.(write at least 5 reasons)

Subject: Science, asked on 22/7/17

what is fragella

Subject: Science, asked on 20/7/17

True or False
Cholera is caused by a virus.

Subject: Science, asked on 20/7/17

Malaria is caused by protozoan or virus?
Polio is caused by virus or protozoan?

Subject: Science, asked on 14/7/17

What are microorganisms?

Subject: Science, asked on 10/7/17

Is Bacteria a friend or a foe?

Subject: Science, asked on 10/7/17

mam i need to understand this chapters-MICROORGANISMS FRIEND AND FOE,SYNTHETIC FIBRES AND PLASTICS AND MATERIALS METALS AND NON METALS please explain me

Subject: Science, asked on 4/7/17

1. What is pathogen? How does it gain entry into the body of living organisms?
2. Why are bacteria and fungi said to be decomposers?
3. Give two ways in which bacteria are useful to us and two ways in which they are harmful?
4. Discuss five methods of food preservation?
5. Explain how microbes are useful to us?
plz tell...fast

Subject: Science, asked on 3/7/17

Define bacteriophage

Subject: Science, asked on 3/7/17

hey mam i am new
can you tell me what are the features of viruses

Subject: Science, asked on 3/7/17

Give examples of bacteria with the following shapes-
1.cocci
2.bacilli
3.vibrio
4.spirilla

Subject: Science, asked on 2/7/17

HOW ARE ALGAE USEFUL TO US ?(ANSWER IN 7 LINES)

Subject: Science, asked on 2/7/17

PLZ HELP AS SOON AS POSSIBLE...
1. WHY DO WE CONSIDER VIRUSES TO BE HARMFUL?(WRITE ATLEAST IN 7 SENTENCES)

Subject: Science, asked on 2/7/17

Are bacteria named with their shape?For example,for bacillus-lactobacillus.If yes, explain?

Subject: Science, asked on 1/7/17

WHY SHOULD YOU ALWAYS WASH YOUR HANDS BEFORE HANDLING FOOD AND AFTER GOING TO TOILET ? (WRITE AT LEAST IN 6 SENTENCES )

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