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.

• Q1.Which of these is the best home-remedy to reduce the appearance of acne scars?

  A) Baking soda
  B) Turmeric
  C) Yogurt
  D) Vinegar
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• Q2.Which one is not a form of Biocides?

  A) Salt
  B) Iodine
  C) Sugar
  D) Bleach
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• Q3.How biocides work?

  A) Controls the multiplication of insects
  B) Kills the insects
  C) Manages the original form of material
  D) Controls the bacteria
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• Q4.What is Rodenticide?

  A) A medicine to kill worms
  B) A medicine to kill animals
  C) A lubricant
  D) A pesticide
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• Q5.Most commonly used Rodenticides are _______ in nature.

  A) Anti pesticides
  B) Anti solvent
  C) Anti coagulant
  D) Non anti coagulant
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• Q6.Which of the following statements is wrong?

  A) Atomic radius of the elements increases as one moves down the first group of the periodic table
  B) Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the
  C) Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
  D) Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius
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• Q7.Natural rubber is a ________ which is having high elasticity.

  A) Substance
  B) Material
  C) Elastomer
  D) Chemical using carbon as main compound
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