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Harmful Microorganisms Free Doubts and Solutions

CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

what are microorganisms

Asked by mohdabids440 20th July 2023, 9:35 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

viral disease

Asked by prernasidam 26th March 2023, 8:44 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Which fungus is found in bread slices?

Asked by snehanath217 23rd July 2022, 8:23 AM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

what are microorganisms

Asked by nikhinikhilrock 11th February 2021, 11:21 AM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Why and how our voice change in fever or when drink an Any yold drink,, kya hota he ues time

Asked by agarwalgaurav1121 10th January 2021, 2:14 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Which of the following diseases is caused by a bacteria? 1Chicken pox 2Tuberculosis 3Dengue 4Polio

Asked by jyotisaini52jhs.tl 19th August 2020, 9:30 AM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

who found bacteria

Asked by indrarajanbabu1661 6th August 2020, 10:33 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

science

qsnImg
Asked by rk8061141 23rd July 2020, 3:42 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

disease caused by virus?

Asked by rajeshgupta3274 21st July 2020, 1:55 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

what are microorganisms

Asked by jkshitij683 20th June 2020, 4:11 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

what are bacterial and viral dieses.

Asked by adarshkrsoni99 24th May 2020, 1:43 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

defined of full chapter deases

Asked by meenakumari0819 28th April 2020, 8:29 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

What do you mean  by tuberculosis.? 

Asked by najbeenn3436.mpsl 28th April 2020, 11:18 AM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

How does corona virus got it's name??

Asked by ashu.dairy 13th February 2020, 8:16 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

What kind of diseases are caused by protozoa in humans?

Asked by kirtigore63 6th October 2019, 9:26 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

what is a bacteria    

Asked by raj567deep 20th September 2019, 1:23 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

How can you say that microorganisms are the foes? Support your answer giving reasons

Asked by nishchaynehagoyal 14th June 2019, 6:35 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

what is virus  

Asked by abhijeetagrahari05 6th May 2019, 4:53 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

what is carrier and give some examples of it  

Asked by sayantangupta456 30th September 2018, 9:47 AM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

why are microrganism are called border line structure between living and non living

Asked by puranrawat20 25th July 2018, 8:34 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

why do people say 'do not let the water tocollect anywhere in your house or locality?

Asked by arajeevshashank 15th July 2018, 5:54 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

why is virus called mysterious microorganism?

Asked by arajeevshashank 15th July 2018, 5:52 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Q. "Viruses are in between stage of living and non-living." comment with reasons

Asked by abbu786 15th July 2017, 6:00 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Why does the number of mosquitoes increase during the monsoon season?

Asked by Topperlearning User 24th October 2016, 12:16 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

List four communicable diseases.

Asked by Topperlearning User 24th October 2016, 12:16 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Name the carrier organisms for malaria and dengue viruses.

Asked by Topperlearning User 24th October 2016, 12:16 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Study the following table and identify the terms numbered from 1 to 6.   Human Disease Causal Organism Mode of Transmission Measles 1 Air Typhoid Bacteria 5 Malaria 2 Mosquito Polio Virus 6 Tuberculosis 3 Air/Contact with infected person Hepatitis A 4 Water    

Asked by Topperlearning User 29th September 2016, 2:14 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

What is the scientific term used for disease-causing microorganisms?

Asked by Topperlearning User 29th September 2016, 2:13 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

A person having common cold sneezes. How is a person standing nearby likely to be affected?

Asked by Topperlearning User 28th July 2016, 3:45 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

We have seen posters advising us to keep air coolers dry when not in use. Why?

Asked by Topperlearning User 28th July 2016, 3:45 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Discuss any two precautions for protection against diseases transmitted by mosquitoes.

Asked by Topperlearning User 28th July 2016, 3:45 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Which of the following is the odd one out and why? Aedes mosquito, Anopheles mosquito, Malarial protozoan, Housefly.

Asked by Topperlearning User 28th July 2016, 3:45 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Which is the common factor in the following diseases? Tuberculosis, Measles, Citrus canker

Asked by Topperlearning User 28th July 2016, 3:44 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

A person is suffering from chickenpox. Write any two ways of preventing the spread of this disease to others.

Asked by Topperlearning User 28th July 2016, 3:44 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

how can we prevent spred of communicable dieases ?
 

Asked by tinu1972 26th July 2015, 7:27 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

(i) What is meant by 'food poisoning'? What is its cause?(ii) Write the symptoms of food poisoning.(iii) Name two examples of bacteria which cause food poisoning.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

How can we prevent diseases spread by mosquitoes like malaria and dengue? Explain.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

How is a pathogen different from a carrier?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Why are we advised to keep a safe distance from a person suffering from measles?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Malaria is caused by protozoa. Then, why destroying mosquitoes prevents the spread of malaria?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Micro-Organisms : Friend Or Foe

Why do our parents advice us to avoid eating the uncovered food sold in stalls?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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