IIT JEE Practice Question and Answer

Q: Which veda deals with medicine? 3148 0

  • 1
    Atharva Veda
    Correct
    Wrong
  • 2
    Yajur Veda
    Correct
    Wrong
  • 3
    Sama Veda
    Correct
    Wrong
  • 4
    Rig Veda
    Correct
    Wrong
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Answer : 1. "Atharva Veda"
Explanation :

Answer: A) Atharva Veda Explanation: The Vedas are considered the earliest literary record of Indo-Aryan civilization. It is the most sacred scriptures of India.   There are four Vedas in Hinduism. They are: 1. The Rig Veda, 2. Sama Veda, 3. Yajur Veda and 4. Atharva Veda. Most ailments, both physical and mental, were attributed to malevolent spirits and cures consisted of rituals, charms, mantras, medicines and surgical intervention. The hymns in the Atharva Veda, the last of the four Vedas, and largely composed after the Aryans were well settled in the sub-continent, indicate that indigenous non-Aryan healing practices had influenced the Vedic Aryan healers.

Q: Complete the next number in the given number series? 21 56 102 160 231 316 3145 0

  • 1
    416
    Correct
    Wrong
  • 2
    415
    Correct
    Wrong
  • 3
    414
    Correct
    Wrong
  • 4
    413
    Correct
    Wrong
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Answer : 1. "416"
Explanation :

Answer: A) 416 Explanation: The given number series is  21 56 102 160 231 316   21      56       102        160      231       316         416    +35    +46       +58       +71      +85       +100         +11      +12       +13      +14      +15   Hence, the next number in the given number series is 316 + 100 = 416.

Q: The main goal for farmers in 1900 was to 3140 0

  • 1
    Force the railroads to lower freight rates
    Correct
    Wrong
  • 2
    Enable them to pay back their loans more easily
    Correct
    Wrong
  • 3
    Hold on to political and economic power.
    Correct
    Wrong
  • 4
    voters greater direct participation in government
    Correct
    Wrong
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Answer : 3. "Hold on to political and economic power."
Explanation :

Answer: C) Hold on to political and economic power. Explanation:

Q: Study of sound is called 3134 0

  • 1
    Agronomy
    Correct
    Wrong
  • 2
    Accoustics
    Correct
    Wrong
  • 3
    Aesthetics
    Correct
    Wrong
  • 4
    Aeronautics
    Correct
    Wrong
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Answer : 2. "Accoustics"
Explanation :

Answer: B) Accoustics Explanation: Accoustics is a subject deals with the Study of sound   Aesthetics is a Philosophy of fine arts   The science or art of flight is called Aeronautics   The science of soil management is called Agronomy.

Q: Where does the series number on a map appear? 3131 0

  • 1
    Upper right margin
    Correct
    Wrong
  • 2
    Lower left margin
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    Not Exist
    Correct
    Wrong
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Answer : 3. "Both A & B"
Explanation :

Answer: C) Both A & B Explanation: The series number is found in both the upper right margin and the lower left margin. It is a sequence reference expressed either as a four-digit numeral (1125) or as a letter, followed by a three- or four-digit numeral (M661, T7110).

Q: If 10 men take 15 days to complete a work. In how many days will 37 men complete the work? 3130 0

  • 1
    3 days
    Correct
    Wrong
  • 2
    4 days
    Correct
    Wrong
  • 3
    5 days
    Correct
    Wrong
  • 4
    6 days
    Correct
    Wrong
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Answer : 2. "4 days"
Explanation :

Answer: B) 4 days Explanation: Given 10 men take 15 days to complete a work => Total mandays = 15 x 10 = 150 Let the work be 150 mandays. => Now 37 men can do 150 mandays in 150/37 =~ 4 days

Q: A woman says, "If you reverse my own age, the figures represent my husband's age. He is, of course, senior to me and the difference between our ages is one-eleventh of their sum." The woman's husband age is ? 3128 0

  • 1
    45
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    42
    Correct
    Wrong
  • 4
    54
    Correct
    Wrong
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Answer : 4. "54"
Explanation :

Answer: D) 54 Explanation: By trial and error method from the given options, as 54 - 45 =  (1/11) x (45+54)  = 99/11  = 9 Hence this satisfies the given conditions. Then the woman's husband age is 54.

Q: Genetic alteration probably refers to altering what 3126 0

  • 1
    Genes found on ribosomes
    Correct
    Wrong
  • 2
    Genes found on chromosomes
    Correct
    Wrong
  • 3
    Genes found on cytoplasm
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 2. "Genes found on chromosomes"
Explanation :

Answer: B) Genes found on chromosomes Explanation: Genetic alteration probably refers to altering Genes found on chromosomes.   Genetic alteration refers to altering DNA sequence. Gene alteration forms genetically modified products that modifies the gene sequence.   Genetic engineering, also called genetic modification or genetic manipulation, is the direct manipulation of an organism's genes using biotechnology.

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