IIT JEE Practice Question and Answer
8Q: Which University has topped the Times Higher Education World University Rankings 2018 ? 960 05b5cc6c7e4d2b4197774de91
5b5cc6c7e4d2b4197774de91- 1IISC Bangalorefalse
- 2Oxfordtrue
- 3IIT Kanpurfalse
- 4Cambridgefalse
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Answer : 2. "Oxford"
Explanation :
Answer: B) Oxford Explanation: In the annual World University Rankings released by Times Higher Education, the Indian Institute of Science of India has reached 251-300 band from last year's 201-250 band, while Oxford and Cambridge universities are on the top in the Global 1000 list.
Q: Who Discovered The Nucleus of a Cell? 960 05b5cc6b0e4d2b4197774d288
5b5cc6b0e4d2b4197774d288- 1Otto Hahnfalse
- 2John Daltonfalse
- 3Robert Browntrue
- 4Marie Curiefalse
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Answer : 3. "Robert Brown"
Explanation :
Answer: C) Robert Brown Explanation: Robert Brown, Scottish botanist, Discovered The Nucleus of a Cell in 1831, London. When Brown was studying orchids under microscope when he observed an opaque area, which he called the "Areola" or "Nucleus", in the cells of the flower's outer layer. The nucleus was also described by Franz Bauer in 1804 but in detail Robert Brown made it in 1831.
Q: In a school of 1500 boys, 35% are Hindu, 30% are Sikh,15% are Muslims and remainning are Christians. Find number of christian boys in the school ? 957 05b5cc6cbe4d2b4197774e117
5b5cc6cbe4d2b4197774e117- Show Answer
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Answer :
Explanation :
Given total number of boys in the school = 1500 In that 35% are Hindu, 30% are Sikh, 15% are Muslims => 35 + 30 + 15 = 80% Remaining Boys = 100% - 80% = 20% of 1500 => 20 x 1500/100 = 300 boys are Christians.
Q: Everyone has it and no one can lose it. What is it? 957 05b5cc69fe4d2b4197774ca1e
5b5cc69fe4d2b4197774ca1e- 1Facefalse
- 2Teethfalse
- 3Hairfalse
- 4Shadowtrue
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Answer : 4. "Shadow"
Explanation :
Answer: D) Shadow Explanation:
Q: YUVA - a skill development programme under Pradhan Mantri Kaushal Vikas Yojana, an initiative of ____. 956 05b5cc6c9e4d2b4197774df5f
5b5cc6c9e4d2b4197774df5f- 1Delhi Policetrue
- 2Border Security Forcefalse
- 3Central Industrial Security Forcesfalse
- 4Maharashtra Policefalse
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Answer : 1. "Delhi Police"
Explanation :
Answer: A) Delhi Police Explanation:
Q: Praveena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest ? 956 05b5cc6e7e4d2b4197774edab
5b5cc6e7e4d2b4197774edab- 16true
- 27false
- 39false
- 411false
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Answer : 1. "6"
Explanation :
Answer: A) 6 Explanation: Let rate = R% and time = R years. Then, (1200 x R x R) / 100 = 432 => R = 6.
Q: What are the rungs of the DNA ladder made of? 955 05b5cc683e4d2b4197774c2a7
5b5cc683e4d2b4197774c2a7- 1phosphates and sugarsfalse
- 2nitrates and sugarsfalse
- 3nitrates and phosphatestrue
- 4sugars and hydratesfalse
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Answer : 3. "nitrates and phosphates"
Explanation :
Answer: C) nitrates and phosphates Explanation: The rungs or the sides of the DNA ladder is made of Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate.
Q: 3 divided by 1/3? 954 05b5cc6b3e4d2b4197774d487
5b5cc6b3e4d2b4197774d487- 11false
- 20false
- 39true
- 4Nonefalse
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Answer : 3. "9"
Explanation :
Answer: C) 9 Explanation: 3 divided by 1/3 => 313 = 3 x 3/1 = 9