Biology MCQs Health Department Medical MCQs NTS Past Papers Operation Theatre Technician (OTT) Surgical Technician

The substances which in low concentration exhibit the growth of micro-organisms are:

  • Lipids
  • Carbohydrates
  • Antibiotics
  • Antibodies
  • c
  • Antibiotics are substances that stop the growth of microorganisms or kill them, even when present in very small (low) amounts.
    Lipids are fats and not used to control microbes.
    Carbohydrates provides energy and helps in growth.
    Antibodies are produced by the body and provide low concentration to inhibit growth.

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Chemistry MCQs Health Department Medical MCQs NTS Past Papers Operation Theatre Technician (OTT) Surgical Technician

The water molecule is amphoteric (it acts both as an acid and base). It is the perfect medium for biochemical relations occurring in cells. It acts as:

  • An Alkali
  • An Acid
  • A Solvent
  • A steroid molecule
  • c
  • Amphoteric means a substance that can act both as an acid and as a base.

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CTS Past Papers Emergency Medical Technician (EMT) Medical MCQs Rescue 1122

A 9 years old boy has swallowed DDT from a bottle, what immediate procedure will you do?

  • Gastric lavage
  • Pulmonary lavage
  • Use of antidote
  • All of these
  • a
  • DDT stands for Dichlorodipheyltrichloroethane.
    DDT is a toxic Organochlorine Pesticide or a synthetic chemical compound. The chemical formula of DDT is C14H9Cl5.
    Gastric Lavage is known as Stomach Wash.
    Pulmonary Lavage is used for lungs related poisoning.

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