Science & Technology

Nowadays, there is a separate section for General knowledge in most of the competitive exams and interviews, which plays a major role in final merit listing of Candidates.Science and Technology is very useful for those aspirants who are preparing for competitive exams such as Written test of Bank Exams, CAT Exams, Railway Exams, SSC, UPSC,Banking,Insurance, Defence and many more.

• Q50.What is the function of Kidney?

  A) It cleans blood by filtering it and removes waste products.
  B) It regulates minerals in the body and produce hormones.
  C) Both A and B are correct
  D) Only A is correct
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• Q51.Secondary air pollutant is:

  A) Ozone
  B) Carbon monoxide
  C) Nitrogen Dioxide
  D) Sulphur dioxide
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• Q52.Who had coined the term SMOG?

  A) Dr. Henry Antoine
  B) Stephen Hawking
  C) Nicolaus Copernicus
  D) Nikola Tesla
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• Q53.SMOG is caused due to:

  A) Emissions from vehicles
  B) From incinerators
  C) Oil paints
  D) All of the above
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• Q54.SMOG is derived from :

  A) Smoke
  B) Fog
  C) Both A and B
  D) Only A
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• Q55.What is used as an antiseptic to sterilise wounds and syringes in hospitals?

  A) Propanol
  B) Ethyl alcohol
  C) Butanol
  D) Methanol
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• Q56.Which of the following is a use of ethanol?

  A) Manufacturing paints
  B) In cough syrups
  C) In alcoholic drinks
  D) All of the above
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