Multiple Choice Questions

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mong rust, smut and mushroom all the three

  • are pathogens 

  • are saprobes

  • bear ascocarps 

  • bear basidiocarps.


A.

are pathogens 

Rust, smut and mushroom all belong to the group of pathogenic fungi. These fungi belong to the class basidiomycetes, and produce basidiospores. Mushroom are placed in the order agaricales. Amanita and Marasmius are pathogenic or disease causing fungi. Marasmius ordeades causes fairy rings on turf grasses. Rusts and smuts are included in the subclass teliomycetidae. Rust fungi comes under order uredinales, eg. Puccinia graminis causes black rust of wheat, P recondita causes leaf rust of wheal. Smut fungi comes under order ustilaginales which produce teliotospores, eg. Ustilago tritici causes loose smut of wheat.


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An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as

  • histamine and dopamine

  • histamine and kinins

  • interferons and opsonin

  • interferons and histones


A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking

  • amphetamine

  • marijuna

  • pethidine

  • valium


Antigen binding site in an antibody is found between

  • two light chains

  • two heavy chains

  • one heavy and one light chain

  • either between two light chains or between one heavy and one light chain depending upon the nature of antigen


Assertion: A person who has received a cut and is bleeding needs to be given anti-tetanus treatment.

Reason: Anti-tetanus injection provides immunity by producing antibodies for tetanus.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false.


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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.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false.


Assertion: Inflammation of a skeletal joint may immobilize the movements of the joint.

Reason: Uric acid crystals in the joint cavity and ossification of articular cartilage lead to this

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false.


Assertion: Escherichia coli, Shigella sp. and Salmonella sp. are all responsible for diarrhoeal disease.

Reason: Dehydration is common to al I types of diarrhoeal diseases and adequate supply of fluids electrolytes should be ensured.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false.


Assertion: LSD and marijuana are clinically used as analgesics.

Reason: Both these drugs suppress brain function.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false.


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Which one of the following is a matching pair of a drug and its category

  • Amphetamines - stimulant

  • Lysergic acid dimethyl amide - narcotic

  • Heroin - psychotropic

  • Benzodiazepine - pain killer


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