Give one word for the following statements :
1.The organisms which can be seen only with the help of magnifying device.
2.Microbes without cellular organisation.
3. Breakdown of food by bacteria in absence of oxygen.
4.The bacteria which live inside the human intestine and release vitamins K and B12.
5. The cyanobacteria which can fix free nitrogen.
6.Microbes which make green cover over the surface of water bodies.
7.Disease causing microbes.
8.The organisms which help in spreading of diseases.
9.Process of conversion of nitrogen compounds into free nitrogen.
10.The chemical used to preserve food.
Answers
★ Questions with their answers ★
1.) The organisms which can be seen only with the help of magnifying device.
- Microorganisms
2.) Microbes without cellular organisation.
- Viruses
3.) Breakdown of food by bacteria in absence of oxygen.
- Anaerobic cellular respiration
4.) The bacteria which live inside the human intestine and release vitamins K and B12.
- Propionibacterium Freudenreichii and Lactobacillus Reuteri.
5.) The cyanobacteria which can fix free nitrogen.
- Anabaena , Nostoc , Azotobacter
6.) Microbes which make green cover over the surface of water bodies.
- Blue-green algae, or cyanobacteria.
7.) Disease causing microbes.
- Bacteria , Protozoa , Viruses
8.) The organisms which help in spreading of diseases.
- Viruses, Bacteria, fungi, protozoa, and helminths (worms) know as infectious diseases.
9.) Process of conversion of nitrogen compounds into free nitrogen.
- This process is called Nitrogen fixation.
10.) The chemical used to preserve food.
- These are known as chemical preservatives. It is of three types
- Benzoates (such as sodium benzoate)
- Nitrites (such as sodium nitrite)
- Sulphites (such as sulphur dioxide)
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1 . The organisms which can be seen only with the help of magnifying device.
In one word
Microorganisms
In Sentence
Microorganisms can be seen only with the help of magnifying device.
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2 . Microbes without cellular organisation.
In one word
Viruses
In Sentence
Viruses are been seen in microbes without cellular organisation.
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3 . Breakdown of food by bacteria in absence of oxygen.
In one word
Aneorbic cellular respiration
In Sentence
Aneorbic cellular respiration can Breakdown of food by bacteria in absence of oxygen.
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4.) The bacteria which live inside the human intestine and release vitamins K and B12.
In one word
Propionibacterium
In Sentence
Propionibacterium bacteria which live inside the human intestine and release vitamins K and B12.
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5.) The cyanobacteria which can fix free nitrogen.
In one word
Anabaena
In Sentence
Anabaena cyanobacteria which can fix free nitrogen.
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6.) Microbes which make green cover over the surface of water bodies.
In one word
Cyanobacteria.
In Sentence
Cyanobacteria make green cover over the surface of water bodies.
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7.) Disease causing microbes.
In word
Protozoa
In Sentence
Protozoa disease causing microbes
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8.) The organisms which help in spreading of diseases.
In one word
Fungi
In Sentence
Fungi organisms which help in spreading of diseases.
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9.) Process of conversion of nitrogen compounds into free nitrogen.
In one word
Nitrogen fixation
In Sentence
Nitrogen fixation process of conversion of nitrogen compounds into free nitrogen.
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10.) The chemical used to preserve food.
In one word
Nitrites
In Sentence
Nitrites chemical used to preserve food
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