Select the correct statement from the fo...

Select the correct statement from the following

Biogas is produced by the activity of aerobic bacteria on animal waste

Methanobacterium is an aerobic bacterium found in rumen of cattle.

Bigas, commonly called gobar gas, is pure methane

Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria

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GRB PUBLICATION-MICROBES IN HUMAN WELFARE-Assertion-Reason Type Questions

Select the correct statement from the following
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(A) : Botulism can be avoided by heating food before consumption. (R...
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(A): Typhoid fever is a viral disease. (R) : It is caused by togavir...
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(A) : Cholera is mainly a water-borne diease (R): The key treatment ...
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(A): Anthrax is a common disease of cattle, sheep and goats. (R) : H...
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(A) : Bubonic plague is basically a blood disease. (R): The bacteria...
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(A): Syphilis is a common veneral disease. (R) : Infection may be a...
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(A): Koch's postulates cannnot be applied to M. leprae, the causative ...
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(A) : Trachoma is reported to the leading cause of blindness. (R) : ...
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(A) : Measles is a common chilhood disease caused by a DNA virus. (R...
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(A) : Yellow fever is haemorrhagic viral disease. (R): Tiger mosquit...
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(A) : HIV is a retrovirus. (R) : It can synthesis DNA and RNA.
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(A) : Goat is a disease of joints. (R): It is associated with inborn...
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(A): Cancer incidence increases with age. (R) : Oncogenes are epista...
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(A) : Cancer cells divide giving rise to masses of cells called neopla...
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(A) : Breast cancer is the most common disease in women. (R) : It is...
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(A) : Chickens posses innate immunity to anthrax. (R) : Their high b...
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(A) : Plama cells of out immune system are immoral. (R): These cells...
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(A) : Antibodies are chemically protein molecules. (R): They are pro...
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(A):IgG is the most important long-acting antibody. (R) : It plays a...
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(A) : IgA is known as the secretory antibody. (R) : It is found in t...
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