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Quiz 119
Mdcat-past-papers Quiz
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2361. Penicillin is a kind of antibiotic which works as:
Resistor
Non-competitive inhibitor
Accelerator
Competitive inhibitor
2362. —reduces the enzyme productivity by blocking the substrate from entering into the active site due to similar shapes:
Competitive Inhibitors
Non-competitive inhibitors
Co-enzymes
Activators
2363. Enzymatic activity can be inhibited by:
Heavy metal ions
Methane
Mutase
Noble gases
2364. A competitive inhibitor.
Accelerates the chemical reaction
Binds to the enzyme
Is irreversible
Is reversible
2365. Cyanides are potent poisons of living organisms and can kill by inhibiting essential for cellular respiration:
Cytochrome Oxidase
Dehydrogenase
Hydrolases
Nucleases
2366. If another molecule, having a shape very similar to the enzyme's substrate, binds to its active site, it would then — the enzymes' function:
Fasten
Inhibit
Reverse
Decrease
2367. Which option is correct about non-competitive inhibition?
Malonate act as inhibitor
enzyme shape distorted
competition for active site
inactive enzyme getting reactivated
2368. Non competitive inhibitors react with enzyme at:
Allosteric site
Passive site
Active site
Regulatory site
2369. reduce the enzyme productivity by blocking the substrate entering into the active site due to similar shape:
Competitive inhibitors
Non competitive inhibitors
Co enzymes
Activators
2370. Ions of heavy metal are harmful for living organisms because of their ability to:
Ceave Nucleic acid
Interfere with fat metabolism
Break glycosidic Bond
Destabilize proteins
2371. Which of following disease caused by enveloped RNA and virus and spread in epidemic form?
Influenza
Herpes
Polio
Small pox
2372. In virus, a combined structure formed by core(nucleic acid) and capsid is:
Nucleocapsid
Prion
Envelope
Capsomeres
2373. Capsid, the protective coat of virus is made up of sub-units known as capsomeres:
Lipid
Protein
DNA
RNA
2374. The complex, mature and infection virus is known as:
Venome
Genome
Virion
Capsid
2375. Which one of the following contains single stranded DNA?
Adeno virus
Parvo virus
Herpes virus
Pox virus
2376. Virus is what type of agent?
Cellular agent
Infectious agent
NON-infectious agent
NON-protein agent
2377. Example of viruses having polyhedral capsid that is with 252 capsomeres is :
Adenovirus
Tobacco mosaic virus
Influenza virus
Bacteriophage
2378. Virus is a Latin word meaning:
Sweet
Sour
Poison
Toxic
2379. Through which of the following does rabies spread?
Cat
Fox
Dog
Pig
2380. A Russian scientist discovered that certain disease could be transmitted by an agent that could pass through a very fine filter which is called:
Bacteria
Fungi
Algae
Viruses
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