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The active form of Entamoeba histolytica feeds upon:                          

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Important Questions on Human Health and Disease

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Assertion : Myaesthenia gravis is an autoimmune disease.

Reason : Immune system rejects the transplant muscles.

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Assertion : Nicotine is an alkaloid found in tobacco.

Reason : It has several uses.

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Assertion : Hypnotic drugs induce sleep.

Reason : Central nervous system is sensitive to hypnotic drugs.

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Assertion :  Tranquillizers are called antipsychosis drug.

Reason : Tranquillizers are used to treat psychosis.

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Assertion : Pregnant ladies should not take alcohol.

Reason : Alcohol intake may result in foetal alcohol syndrome.

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Assertion : Alcohol along with other stimulants or narcotic drugs is extremely harmful.

Reason : Alcohol damages only digestive system.

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Assertion: Cancer cells are virtually immortal until the body in which they reside dies.
Reason: Cancer is caused by damage to genes regulating the cell division cycle.
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Which of the following diseases is caused by a protozoan?