IIT JEE Practice Question and Answer

Q: Nipah virus outbreak in Bangladesh in the year 1393 0

  • 1
    2001
    Correct
    Wrong
  • 2
    2006
    Correct
    Wrong
  • 3
    2012
    Correct
    Wrong
  • 4
    2015
    Correct
    Wrong
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Answer : 1. "2001"
Explanation :

Answer: A) 2001 Explanation: The first identification of Nipah virus as a cause of an outbreak of encephalitis was reported in 2001 in Meherpur district of Bangladesh. Since, then Outbreaks of the deadly Nipah virus has been recorded almost every year in selected districts of Bangladesh.   Drinking raw date palm sap and contact with a case were identified as the major risk factors for acquiring the disease.

Q: What animal has the worst memory? 6738 0

  • 1
    Dog
    Correct
    Wrong
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    Rat
    Correct
    Wrong
  • 3
    Elephant
    Correct
    Wrong
  • 4
    Dolphin
    Correct
    Wrong
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Answer : 3. "Elephant"
Explanation :

Answer: C) Elephant Explanation: Elephant has worst shortest memory and dolphin has longest memory in the Animal kingdom.

Q: GDPR means 1815 0

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    General Data Protection Regulation
    Correct
    Wrong
  • 2
    Generic Data Per Random
    Correct
    Wrong
  • 3
    Generic Data Protection Regulation
    Correct
    Wrong
  • 4
    Gross Data Protection Regulation
    Correct
    Wrong
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Answer : 1. "General Data Protection Regulation"
Explanation :

Answer: A) General Data Protection Regulation Explanation: GDPR stands for the General Data Protection Regulation. The GDPR is a piece of EU legislation passed by the European Parliament in 2016.   It aims to make it simpler for people to control how companies use their personal details. Companies will not be allowed to collect and use personal information without the person's consent. Data includes things like a person's name, email address and phone number, and also internet browsing habits collected by website cookies.

Q: Who was the first cricketer to take all wickets in a test innings? 1915 0

  • 1
    Curtly Ambrose
    Correct
    Wrong
  • 2
    Jimmy Mathews
    Correct
    Wrong
  • 3
    Jim Laker
    Correct
    Wrong
  • 4
    Anil Kumble
    Correct
    Wrong
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Answer : 3. "Jim Laker"
Explanation :

Answer: C) Jim Laker Explanation: Jim Laker was the first player to take all 10 wickets in a Test match innings. Ten for 53 in the Australians 2nd innings of the 4th Ashes Test at Old Trafford in 1956.   The only other bowler to achieve the feat is India's Anil Kumble, who took ten for 74 at Delhi's Feroz Shah Kotla against Pakistan in 1999.

Q: What is meant by demography? 1535 0

  • 1
    The well being of populations
    Correct
    Wrong
  • 2
    Growth of population
    Correct
    Wrong
  • 3
    Birth and death of population
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: The study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.   In brief, Study of both quantitative and qualitative aspects of human population. 1. Quantitative aspects include composition, density, distribution, growth, movement, size, and structure of the population. 2. Qualitative aspects are the sociological factors such as education quality, crime, diet, development, nutrition, wealth and well being.

Q: Which major event in Indian history is also called as 'White Flowing River'? 3605 0

  • 1
    Partition of India
    Correct
    Wrong
  • 2
    Dandi March
    Correct
    Wrong
  • 3
    Operation Bluestar
    Correct
    Wrong
  • 4
    Quit India Movement
    Correct
    Wrong
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Answer : 2. "Dandi March"
Explanation :

Answer: B) Dandi March Explanation: In Indian History, Dandi March or Salt Sathyagraha or The Salt March, also known as the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mohandas Karamchand Gandhi to produce salt from the seawater.    It is also called as 'White Flowing River'.

Q: Desertification refers to 1502 0

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    forest degrading to dense taiga
    Correct
    Wrong
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    forest improving to tundras
    Correct
    Wrong
  • 3
    forest improving to deserts
    Correct
    Wrong
  • 4
    forest degrading to sparse vegetation
    Correct
    Wrong
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Answer : 3. "forest improving to deserts"
Explanation :

Answer: C) forest improving to deserts Explanation: Desertification is a type of land degradation in which a relatively dry area of land becomes increasingly arid, typically losing its bodies of water as well as vegetation and wildlife.   Conversion of a grassland or an already arid land into a desert through indiscriminate human actions magnified by droughts.   Hence, forest improving to deserts is refers to desertification.

Q: What is the product of a number and its reciprocal? 2168 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    -ve of the number
    Correct
    Wrong
  • 4
    the number itself
    Correct
    Wrong
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Answer : 2. "1"
Explanation :

Answer: B) 1 Explanation: The product of a number and its reciprocal is always equals to 1.   For Example : Let the number be 4. Now, its reciprocal is 1/4 Hence, required product = 4 x 1/4 = 1.   Now, take the number as -15. Then its reciprocal is -1/15 Required product = -15 x -1/15 = 1.   Hence, the product of a number and its reciprocal is 1.

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