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science quiz



SCIENCE  QUIZ

1.. What prompted James Watt to invent steam Engine ?
A. He wanted to bring about industrial revolution.
B. He wanted Machine drawn carriages  to replace horse drawn carriages.
C. He wanted to develop a machine which would  pump out water from coal mines so that the mines are not flooded during mining.
D. All the above
2. One of the methods of eradicating mosquitoes is to fill  a flat vessel with water and the let the mosquitoes lay their egg in it. Then empty vessel along with the larvae in a dry place. In this strategy which system of the mosquito is rendered vulnerable?
A.      Digestive system
B.      Respiratory system
C.      Nervous system
D.      None of the above
3. What are the advantages of using space based telescope?
A. The earths atmosphere absorbs most of the infra red and ultra violet rays from the stars hence the telescopes are not able to detect them.
B. We are not able to detect gamma rays and X rays emitted by stars because they are filtered by earths atmosphere.
C. Both statement a and b are true
D. None of the statements are true.
4.What is the commercial name of the toxin which causes muscles to contract (prevents wrinkles) obtained from the bacteria ( Clostridium botulinum) which causes food poisoning ? Clue :This has great cosmetic value today.
A. Butox
B. Autox
C. Spasex
D. None of the above
5. Why most  shirts have pockets on the left hand side instead of right hand side ?
A. Most people are right handed
B. Most people are right handed.
C. it is easier for tailors to fix them on left hand side.
D. None of the above

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