NUMS MDCAT Past Paper 2023 MCQs

The smallest bacteria belong to the genus :

  • Mycoplasma
  • Escherichia
  • Streptococcus
  • Bacillus

Increase the pathogenicity of bacteria:

  • Slime
  • Cell wall
  • Capsule
  • Cell membrane

All viruses are:

  • Predators
  • Autographs
  • Heterotrophs
  • Parasites

The complete, mature and infections virus particle is known as

  • Venome
  • Capsid
  • Virion
  • Genome

Synthesis of ATP during photosynthesis take place at the region:

  • Stroma
  • Cisternae
  • Matrix
  • Thylakoid

Which are the end products of light reaction of photosynthesis?

  • ATP and glucose
  • ATP and NADPH
  • ATP and water
  • Glucose and NADP

When lights falls on p_700 which event is likely to occure?

  • Accept electrons
  • It induces photolysis
  • Gains hydrogen
  • It is oxidized

In term of enzymes action maximum temperature refers to a temperature which :

  • Enzymes start to denature
  • Enzymes work best
  • Enzymes start to renature
  • Enzymes are reactivated

Most enzymes work the best at the following temperature :

  • 50C
  • 40C
  • 30C
  • 20C

Non competitive inhibitors react with enzymes at :

  • Active site
  • Passive site
  • Regulatory site
  • Allosteric site

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