Skip to main content

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

Comments

Post a Comment

Popular posts from this blog

WATER HARVESTING

1. WHAT DO YO CALL THE ABOVE  TRADITIONAL  RAINWATER HARVESTING STRUCTURES IN THE URBAN AREAS OF NORTHERN INDIA ? 2. THE ABOVE TWO IMAGES ARE RAINWATER HARVESTING STRUCTURES IN PATAN , GUJARAT WHICH IS A WORLD HERITAGE SITE . CAN YOU NAME THIS STRUCTURE? 3. THE BELOW IS A PROFILE PICTURE OF A TRADITIONAL RAINWATER HARVESTING STRUCTURE IN THE SEMI ARID REGIONS CALLED KAREZ. CAN YOU TELL ME IN WHICH COUNTRIES YOU WILL FIND THIS WATER HARVESTING STRUCTURE . THIS IS A SERIES OF HORIZONTAL AND VERTICAL WELLS. THIS IS AN EXAMPLE OF APPLICATION OF TRADITIONAL KNOWLEDGE AND SKILL . 4. THIS METHOD OF IRRIGATION IS TRADITIONALLY USED IN TAMILNADU AND ANDHRA PRADESH . DURING ANCIENT TIMES THE CHOLA AND PALLAVA KINGDOMS FARMERS SPEND BETWEEN 6 TO 8% OF THEIR INCOME IN MAINATAINING THIS IRRIGATION SYSTEM . THE KINGS BELIEVED THAT FOOD  SECURITY LEADS TO NATIONAL SECURITY  5. THIS IS A TRADITIONAL METHOD OF RAINWATER HARVESTING SEEN...
1 comment
Read more

SOCIAL SCIENCE CLASS X PRACTICE PAPER (LOGICAL)

WHO SHOULD BE TRYING THIS : STUDENTS WITH GOOD REASONING SKILLS HOW DO YOU KNOW THAT YOU HAVE GOOD REASONING SKILLS  : if you are able to answer the questions and find this question interesting or to your taste then it means that you think logically . THE QUESTIONS HAS TWO STATEMENTS ASSERTION (A) AND REASON (R) INDICATE YOUR ANSWER USING THE CODES GIVEN BELOW A.  BOTH AS AND RE ARE TRUE AND RE IS THE CORRECT EXPLANATION OF AS. B.  BOTH AS AND RE ARE TRUE AND RE IS NOT THE CORRECT EXPLANATION OF AS .  C. AS IS TRUE BUT RE IS FALSE. D. AS IS FALSE . RE IS TRUE  The last two are the easiest one . note  *** :  I assure you that in in all situations either A or R will be true . There won't be situations where both the statements will be false. PLEASE LOOK AT THE BELOW EXAMPLE: SET  1 AS. FROG IS AN AMPHIBIAN RE. IT LIVES IN BOTH LAND AND WATER . SET 2 AS. FROG IS AN AMPHIBIAN  RE.  FROG NEEDS WATER TO COMPLETE ITS LIV...
5 comments
Read more

biology homework(8)

1. For which agricultural operation the following  machinery are used ? 2. If you are a farmer is this of any use to you ?discuss how? 3. This is an innovation by an Indian farmer can you tell me  in what way this innovation is helpful?   4. YUVRAJ the most expensive cattle in the world . Can you guess why?  5. Name the four oilseeds 6. Can you identify the three beverage crops ? A, B and C from top to bottom? 7.   SEE THE ABOVE THREE PICTURE  AND READ ALL THAT IS WRITTEN INTHE THIRD PICTURE TITLED ALL ABOUT EARTHWORMS YOU WILL BE ABLE TO CONNECT.... A. why is this place where the earthworms are reared covered ? B. This dark coloured soil you find  in the bottom image is considered to be very fertile . How is this soil made fertile ? 8. A. why is the weed problem and chances of disease and pest less in drip irrigation? B. Why is fertilizer use efficiency higher in drip irrigation? C. How water ...
3 comments
Read more