IIT JEE Practice Question and Answer

Q: Q's mother is sister of P and daughter of M who is brother of R. S is daughter of P and sister of T. How is M related to T ? 2154 0

  • 1
    Grand father
    Correct
    Wrong
  • 2
    Grand mother
    Correct
    Wrong
  • 3
    Grand father or Grand mother
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 1. "Grand father"
Explanation :

Answer: A) Grand father Explanation: Q's mother is sister of P and daughter of M => P is the child of M.S is daughter of P and sister of T, so P is parent of T too.M ----> parent --------> P ------------>parent -------------> TBut given M is brother of R => M is male. So, M is grandfather of T.

Q: Which best describes somatic mutations? 2153 0

  • 1
    transmitted to progeny
    Correct
    Wrong
  • 2
    not transmitted to progeny
    Correct
    Wrong
  • 3
    Can't be identified
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "transmitted to progeny"
Explanation :

Answer: A) transmitted to progeny Explanation: The best example for somatic mutation would be cancer, familial cancer (which transmits through gametes to the next generation) are not so common while sporadic cancer is seen the most where body cells of a particular area goes through mutations for a number of years and becomes cancerous, but it is not transmitted to next generation.

Q: What is the product of a number and its reciprocal? 2152 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.

Q: The book " The Vijay Mallya Story " has been written by _____ 2152 0

  • 1
    Vijay Mallya
    Correct
    Wrong
  • 2
    Gopinath
    Correct
    Wrong
  • 3
    Giriprakash
    Correct
    Wrong
  • 4
    Siddharth Mallya
    Correct
    Wrong
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Answer : 3. "Giriprakash"
Explanation :

Answer: C) Giriprakash Explanation:

Q: Spongy, porous bone tissue is also called 2150 0

  • 1
    Compact bone
    Correct
    Wrong
  • 2
    Bone fissure
    Correct
    Wrong
  • 3
    Yellow bone marrow
    Correct
    Wrong
  • 4
    Cancellous bone
    Correct
    Wrong
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Answer : 4. "Cancellous bone"
Explanation :

Answer: D) Cancellous bone Explanation: Spongy, porous bone tissue is also called cancellous bone.   Cancellous bone is found in bones that aren't generally under significant stress like in the shoulder blades, ribs, parts of the skull, and at the ends of long bones.

Q: Oldest Oil Field in India 2149 0

  • 1
    Mumbai High, Maharashtra
    Correct
    Wrong
  • 2
    Anleshwar, Gujarat
    Correct
    Wrong
  • 3
    Digboi, Assam
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "Digboi, Assam"
Explanation :

Answer: C) Digboi, Assam Explanation: Digboi has the distinction of being India's oldest continuously producing oilfield. Digboi refinery, now a division of Indian Oil Corporation, had a capacity of about 0.65 MMTPA as of 2003. Digboi is now Headquarter of Assam Oil Division of Indian Oil Corporation Limited, though the crude production is not high today.

Q: Which of these is NOT a lipid? 2149 0

  • 1
    Wax
    Correct
    Wrong
  • 2
    Cholesterol
    Correct
    Wrong
  • 3
    RNA
    Correct
    Wrong
  • 4
    Phospholipid
    Correct
    Wrong
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Answer : 3. "RNA"
Explanation :

Answer: C) RNA Explanation: RNA is not a lipid among the given options.   A lipid is a substance of biological origin that is soluble in nonpolar solvents. It comprises a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, and phospholipids.

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Answer :
Explanation :

It is said by Lord Polonius. It means do not lend or borrow money from a friend, because if you do so, you will lose both your friend and your money. If you lend, he will avoid paying back, and if you borrow you will fall out of your savings, as you turn into a spendthrift, and face humiliation.

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