IIT JEE Practice Question and Answer
8Q: At what temperature (in Fahrenheit) pure water freezes? 1405 05b5cc6b9e4d2b4197774d6f8
5b5cc6b9e4d2b4197774d6f8- 10false
- 217false
- 332true
- 439false
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Answer : 3. "32"
Explanation :
Answer: C) 32 Explanation: 32oFWe know that T(°F) = T(°C) × 1.8 + 3232(°F) = 0(°C)
Q: Cactus Spines are Modified 1771 05b5cc6b9e4d2b4197774d6ee
5b5cc6b9e4d2b4197774d6ee- 1Stemsfalse
- 2Branchesfalse
- 3Leavestrue
- 4Rootsfalse
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Answer : 3. "Leaves"
Explanation :
Answer: C) Leaves Explanation: Cactus spines are also known as modified bud scales, which are also called modified leaves. Cactus spines occur in clusters in the axil of leaves.
Q: "IPCC" stands for 1726 05b5cc6b9e4d2b4197774d6e4
5b5cc6b9e4d2b4197774d6e4- 1Indian Panel on Code Changefalse
- 2Indian Penal Country Codefalse
- 3Intergovernmental Panel on Climate Changetrue
- 4Indian Policy on Climate Controlfalse
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Answer : 3. "Intergovernmental Panel on Climate Change"
Explanation :
Answer: C) Intergovernmental Panel on Climate Change Explanation: IPCC stands for the Intergovernmental Panel on Climate Change. It was established in 1988 by the World Meteorological Organization and the United Nations Environment Programme. IPCC, with respect to Chartered Accountancy, stands for Integrated Professional Competence Course. This is the second level of the CA course.
Q: Eric is the son of Tom who is the brother of Jerry who is the daughter of Sin. Doremon is the sister of Popoy who is son of Chain. Ivanka is the daughter of Popoy who is the husband of Jerry. Sin is the male person and Chain is the female person. How is Ivanka related to Eric ? 1921 05b5cc6b9e4d2b4197774d6e9
5b5cc6b9e4d2b4197774d6e9- 1Cousin sistertrue
- 2Nephewfalse
- 3Niecefalse
- 4Daughterfalse
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Answer : 1. "Cousin sister"
Explanation :
Answer: A) Cousin sister Explanation: Since Eric's father and Ivanka's mother are Brother and sister, => Ivanka is Eric's Aunt Daughter => Cousin Sister.
Q: The most healthy edible oil for heart is 1774 05b5cc6b9e4d2b4197774d6da
5b5cc6b9e4d2b4197774d6da- 1Almond Oilfalse
- 2Sesame Oilfalse
- 3Mustard Oilfalse
- 4Olive Oiltrue
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Answer : 4. "Olive Oil"
Explanation :
Answer: D) Olive Oil Explanation:
Q: The compound interest on Rs. 8000 for 3 year at 10% p.a. is 1218 05b5cc6b9e4d2b4197774d6df
5b5cc6b9e4d2b4197774d6df- 12648true
- 22145false
- 32587false
- 42784false
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Answer : 1. "2648"
Explanation :
Answer: A) 2648 Explanation: 8000 × 33.1% = 2648
Q: Who invented Bifocal Lens? 1641 05b5cc6b9e4d2b4197774d6d5
5b5cc6b9e4d2b4197774d6d5- 1John Adamsfalse
- 2Benjamin Franklintrue
- 3James Madisonfalse
- 4Thomas Jeffersonfalse
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Answer : 2. "Benjamin Franklin"
Explanation :
Answer: B) Benjamin Franklin Explanation: Benjamin Franklin has long been credited with the invention of bifocal lenses and he was the first to wear bifocal lenses. He did not produce them himself but instead had some optician in London or France make them for him to overcome Presbyopia, a condition that Franklin suffered. He was tired switching between lenses for far and near sightedness. And that resulted in inventing Bifocal Lenses.
Q: The last two digits of 2151415? 2411 05b5cc6b9e4d2b4197774d6cb
5b5cc6b9e4d2b4197774d6cb- 181false
- 261false
- 391false
- 451true
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Answer : 4. "51"
Explanation :
Answer: D) 51 Explanation: Unit digit of this expression is always 1 as the base ends with 1. For the tenth place digit we need to multiply the digit in the tenth place of the base and unit digit of the power and take its unit digit. i.e, tenth place digit in 2151 is 5 and tenth place digit in power 415 is 1 And the units digit in the product of 5 x 1 = 5 Therefore, last two digits of 2151415 is 51.

