IIT JEE Practice Question and Answer

Q: "Tigris River" flows through which of the following countries ? 1832 0

  • 1
    Iran
    Correct
    Wrong
  • 2
    Italy
    Correct
    Wrong
  • 3
    Iraq
    Correct
    Wrong
  • 4
    Egypt
    Correct
    Wrong
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Answer : 1. "Iran"
Explanation :

Answer: A) Iran Explanation:

Q: Find the Next Number in the given number series? 3, 10.5, 36.75, 128.625, ? 1832 0

  • 1
    450.187
    Correct
    Wrong
  • 2
    442.151
    Correct
    Wrong
  • 3
    441.231
    Correct
    Wrong
  • 4
    456.852
    Correct
    Wrong
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Answer : 1. "450.187"
Explanation :

Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187

Q: Synonym for the word : Bleak 1831 0

  • 1
    bare
    Correct
    Wrong
  • 2
    lush
    Correct
    Wrong
  • 3
    warm
    Correct
    Wrong
  • 4
    verdant
    Correct
    Wrong
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Answer : 1. "bare"
Explanation :

Answer: A) bare Explanation: Bleak means an area of land lacking vegetation and exposed to the elements like deserts.

Q: DNA is made of repeating units called 1830 0

  • 1
    Nucleotides
    Correct
    Wrong
  • 2
    Ribozomes
    Correct
    Wrong
  • 3
    Peptides
    Correct
    Wrong
  • 4
    Aminoacids
    Correct
    Wrong
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Answer : 1. "Nucleotides"
Explanation :

Answer: A) Nucleotides Explanation: DNA is a very long chain polymer made up of thousands of repeating units called nucleotides.   Nucleotide Unit is composed of a phosphate group, a pentose sugar, and a nitrogenous base.   The sides of the DNA ladder are made up of alternating deoxyribose sugar -- phosphate group units.

Q: Which one of the following is not a prime number? 1830 0

  • 1
    91
    Correct
    Wrong
  • 2
    71
    Correct
    Wrong
  • 3
    41
    Correct
    Wrong
  • 4
    31
    Correct
    Wrong
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Answer : 1. "91"
Explanation :

Answer: A) 91 Explanation: Prime Numbers :: Numbers which are divisible by only 1 and itself are Prime Numbers.   It's answer will be 91. Because 91 can be divisible by 7,13,91,1. It is quite clear that prime number should be divisible only by itself and by 1.

Q: Which of the following river empties into the Arabian Sea? 1830 0

  • 1
    Ganga
    Correct
    Wrong
  • 2
    Yamuna
    Correct
    Wrong
  • 3
    Indus
    Correct
    Wrong
  • 4
    Kaveri
    Correct
    Wrong
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Answer : 3. "Indus"
Explanation :

Answer: C) Indus Explanation: The river which starts flowing from Himalayas on the North to southwards to empty in the Arabian sea is Indus River.

Q: Which of the following is not a Jovian planet? 1829 0

  • 1
    Jupiter
    Correct
    Wrong
  • 2
    Earth
    Correct
    Wrong
  • 3
    Saturn
    Correct
    Wrong
  • 4
    Neptune
    Correct
    Wrong
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Answer : 2. "Earth"
Explanation :

Answer: B) Earth Explanation: Earth is not a Jovian Planet as it is a Terrestrial planet. A planet designated as Jovian is hence a gas giant, composed primarily of hydrogen and helium gas with varying degrees of heavier elements.   Within the Solar System, four Jovian planets exist – Jupiter, Saturn, Uranus, and Neptune. Though these planets vary in terms of size, mass, and composition, they all share certain characteristics that cause them to differ greatly from the terrestrial planets located in the inner Solar System.

Q: World Population Day is observed on ____ ? 1829 0

  • 1
    9 July
    Correct
    Wrong
  • 2
    11 July
    Correct
    Wrong
  • 3
    15 July
    Correct
    Wrong
  • 4
    4 July
    Correct
    Wrong
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Answer : 3. "15 July"
Explanation :

Answer: C) 15 July Explanation: World Population day is an annual event, observed on July 11 every year, which seeks to raise awareness of global population issues.

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