IIT JEE Practice Question and Answer
8Q: Who was the Roman Emperor when Jesus was born? 1448 05b5cc683e4d2b4197774c2a1
5b5cc683e4d2b4197774c2a1- 1Tiberiusfalse
- 2Augustustrue
- 3Gaius Octaviusfalse
- 4Julius Caesarfalse
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Answer : 2. "Augustus"
Explanation :
Answer: B) Augustus Explanation: Augustus was a Roman statesman and military leader who served as the first Emperor of the Roman Empire, controlling Imperial Rome from 27 BC until his death in AD 14. Jesus was born in 4 BC. Hence, Augustus was the Roman Emperor when Jesus was born.
Q: Give the iupac name for the following compound? 1448 05b5cc62ae4d2b4197774b8b0
5b5cc62ae4d2b4197774b8b0- 1Sec-Butylcyclohexinefalse
- 2Isopropylcyclohexanetrue
- 32-Cyclohexybutanefalse
- 4None of the abovefalse
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Answer : 2. "Isopropylcyclohexane"
Explanation :
Answer: B) Isopropylcyclohexane Explanation:
Q: What are the sides of the dna ladder made of 1448 05b5cc690e4d2b4197774c46a
5b5cc690e4d2b4197774c46a- 1nitrates and sugarsfalse
- 2sugars and hydratesfalse
- 3sugars and phosphatestrue
- 4phosphates and nitratesfalse
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Answer : 3. "sugars and phosphates"
Explanation :
Answer: C) sugars and phosphates Explanation: DNA is a double-stranded molecule twisted into a helix. The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.
Q: Molar mass of HNO3? 1448 05b5cc698e4d2b4197774c63b
5b5cc698e4d2b4197774c63b- 163 g/moltrue
- 253 g/molfalse
- 348 g/molfalse
- 452 g/molfalse
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Answer : 1. "63 g/mol"
Explanation :
Answer: A) 63 g/mol Explanation: Calculation of molar mass of HNO3: Atomic masses of H, N, O are 1, 14, 16 respectively Now the molar mass of HNO3 is HNO3 = 1X1 + 1X14 + 3X16 = 1 + 14 + 48 = 63 g/mol or amu.
Q: The question given below contain two statements giving certain data. You have to decide whether the data given in the statements are sufficient for answering the question ? Question : What is the height of a right-angled triangle ? Statements : A. The area of the triangle is 20 times its base. B. The perimeter of the triangle is equal to that of a square of the side 10 cm. 1448 05b5cc6c4e4d2b4197774dc90
5b5cc6c4e4d2b4197774dc90- 1Only statement A is requiredtrue
- 2Only statement B is requiredfalse
- 3Both A & B are requiredfalse
- 4Neither (false
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Answer : 1. "Only statement A is required"
Explanation :
Answer: A) Only statement A is required Explanation: From statement (A), 20b = (1/2) × b × h h = 40 cm.
Q: How Many Hours Is 100 Miles? 1446 05b5cc6b6e4d2b4197774d5c2
5b5cc6b6e4d2b4197774d5c2- Show AnswerHide Answer
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Answer :
Explanation :
It depends on the speed with what you are travelling. For example, if you have travelled 100 miles and it took 2.5 hours to do it, then that is 100 miles = 2.5 hrs for you. And the Average Speed is given by 100/2.5 = 40 miles per 1hour.
Q: When was Uttarakhand separated from Uttar pradesh to form new state ? 1445 05b5cc6c4e4d2b4197774dcc8
5b5cc6c4e4d2b4197774dcc8- 11997false
- 21998false
- 31999false
- 42000true
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Answer : 4. "2000"
Explanation :
Answer: D) 2000 Explanation:
Q: What has a neck but no head and wears a cap? 1445 05b5cc697e4d2b4197774c5d5
5b5cc697e4d2b4197774c5d5- Show AnswerHide Answer
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Answer :
Explanation :
A bottle has a neck but no head and wears a cap.