SCIENCE AND TECHNOLOGY

Science And Technology Fully solved questions with complete explanation for written test, interview, competitive exams and entrance test. This section is very useful for those who are preparing for competitive exams such as Written test of IT companies,Bank Exams, CAT Exams, GATE Exams, Railway Exams, SSC, UPSC, Defence and many more.

Q. alcohol obtained in the sapanification process is

  • A) ethyl alcohol
  • B) methyl alcohol
  • C) wood spirit
  • D) glycerol
Q. til now the highest temperature  on the earth is released at

  • A) el azizia
  • B) death valley
  • C) alwas
  • D) oodnodatta
Q. national environmental engineering research institute is at

  • A) banglore
  • B) chhota nagpur
  • C) dehra dun
  • D) nagpur
Q. Animal  protein is called first class protein because

  • A) rich in essential alcohol
  • B) rich in essential amino acids
  • C) rich in ethylic acids
  • D) rich in calicium
Q.  In human  body vitamin A  is used in 

  • A) kidney
  • B) Pancreas
  • C) Lungs
  • D) heart
Q. The genome sequencing of which virus has been recently done by Indian scientists?

  • A) Hepatitis C
  • B) hepatitis b
  • C) HIV
  • D) Flu Virus
Q. APSARA is the name of India's first

  • A) Nuclear Reactor
  • B) Helicopter
  • C) Ground battle tank
  • D) Railway locomotive
Q. Which of the following parts of the sunlight makes the solar cooker hot?

  • A) Ultraviolet
  • B) Red light rays
  • C) Infrared
  • D) Cosmic rays
Q. Which of the following does not come as a product of vehicular pollution?

  • A) Sulphur dioxide
  • B) Nitrogen oxide
  • C) Carbon monoxide
  • D) Hydrogen peroxide
Q. Which one of the following does a TV remote control unit use o operate a TV set?

  • A) Light waves
  • B) Sound waves
  • C) Microwaves
  • D) Radio waves
Today's Challenging Question
Q. Ajay & Bimal can do a price of work in 10 days, Bimal & Chetan can do in 15 days and Chetan and Ajay in 20 days. They work together for 6 days and then Ajay leaves and now Bimal & Chetan work together for 4 more days. If Bimal leaves, how long will Chetan take to finish the work?
A) 12 days
B) 10 days
C) 16 days
D) none
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