Harmful Micro Organism
Harmful Micro Organism
Harmful effects of microorganisms can be divided into the following two categories:
• Causing diseases in human beings, animals, and plants
• Food spoilage
Disease-causing Microorganisms: Microorganisms that cause diseases in human beings, animals, and plants are called pathogens. Let us look at some of the diseases caused by pathogens in human beings, animals, and plants.
In human beings pathogens enter the body of a healthy person through air, water, and food. They can also spread from an infected person to a healthy one. For example, when a person suffering from common cold sneezes, pathogens are released into the air. These pathogens may enter the body of a healthy person while breathing and he/she may also get common cold.
Examples : The disease causing microorganism are called as pathogen. They can be bacteria, virus,protozoa etc. Some of the diseases caused by organisms are given below:
1. Disease: Ring Worm
Mode of transmission: Direct contact with the infected person
Causative pathogen:Three genera( Fungus)
Preventive measures: Good hygiene, not sharing personal items like towels and combs with infected person.
2. Disease: Common cold
Mode of transmission: Air,
Causative pathogen: Rhinovirus (Virus)
Preventive measures: Washing hands regularly; avoiding close contact with people having common cold
3. Disease: Poliomyelitis
Mode of transmission: Air and water
Causative pathogen:Polio virus(Virus)
Preventive measures: Vaccination
Which of the following organisms cause yellow vein mosaic of okra? | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following correctly describes the size of fungi compared to the size of bacteria? | |||
| Right Option : A | |||
| View Explanation | |||
The correct pair of parasites among the following is___________________, | |||
| Right Option : A | |||
| View Explanation | |||
Students / Parents Reviews [20]
My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thAbhyas academy is great place to learn. I have learnt a lot here they have finished my fear of not answering.It has created a habit of self studying in me.The teachers here are very supportive and helpful. Earlier my maths and science was good but now it has been much better than before.
Barkha Arora
10thUsually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
Anika Saxena
8thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
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Yogansh Nyasi
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Om Umang
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Sharandeep Singh
7thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
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Hiya Gupta
8thMy experience with Abhyas Academy has been very good. When I was not in Abhyas whenever teacher ask questions I could not speak it confidently but when I came in Abhyas, my speaking skills developed and now I am the first one to give the answer of teachers question.
Upmanyu Sharma
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Prisha Gupta
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Eshan Arora
8thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
Ayan Ghosh
8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
8thThe experience was nice. I studied here for three years and saw a tremendous change in myself. I started liking subjects like English and SST which earlier I ran from. Extra knowledge gave me confidence to overcome competitive exams. One of the best institutes for secondary education.
Aman Kumar Shrivastava
10thMy experience with Abhyas academy is very nice or it can be said wonderful. I have been studying here from seven class. I have been completing my journey of three years. I am tinking that I should join Abhyas Academy in tenth class as I am seeing much improvement in Maths and English
Hridey Preet
9thWe started with lot of hope that Abhyas will help in better understnding of complex topics of highers classes. we are not disappointed with the progress our child has made after attending Abhyas. Though need to mention that we expected a lot more. On a scale of 1-10, we would give may be 7.
Manya
8thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
