IIT JEE Practice Question and Answer
8Q: In how many ways word of 'GLACIOUS' can be arranged such that 'C' always comes at end? 1683 05b5cc626e4d2b4197774b825
5b5cc626e4d2b4197774b825- 13360false
- 25040true
- 3720false
- 41080false
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Answer : 2. "5040"
Explanation :
Answer: B) 5040 Explanation: Given word is GLACIOUS has 8 letters. => C is fixed in one of the 8 places Then, the remaining 7 letters can be arranged in 7! ways = 5040.
Q: Find the odd man out of the following number sequence? 3, 5, 13, 43, 167 1441 05b5cc622e4d2b4197774b820
5b5cc622e4d2b4197774b820- 1167true
- 243false
- 313false
- 45false
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Answer : 1. "167"
Explanation :
Answer: A) 167 Explanation: The given number series is 3, 5, 13, 43, 167 3 3 x 1 + 2 = 5 5 x 2 + 3 = 13 13 x 3 + 4 = 43 43 x 4 + 5 = 177 (not equal to 167) Hence, the odd number in the given number sequence is 167.
Q: Which element is a member of the halogen family? 1315 05b5cc622e4d2b4197774b816
5b5cc622e4d2b4197774b816- 1Chlorinefalse
- 2Brominefalse
- 3Iodinefalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
Answer: D) All of the above Explanation: The halogens make up group 17 in the periodic table. They are five elements: Chlorine (Cl) Fluorine (F) Bromine (B) Iodine (I) Astatine (At). But astatine is not purely halogen as it is radioactive.
Q: What type of macromolecule is DNA? 1131 05b5cc622e4d2b4197774b81b
5b5cc622e4d2b4197774b81b- 1Proteinsfalse
- 2Carbohydratesfalse
- 3Nucleic acidstrue
- 4All of the abovefalse
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Answer : 3. "Nucleic acids"
Explanation :
Answer: C) Nucleic acids Explanation: DNA stands for Deoxyribo nucleic acid. It is a nucleic acid made up of monomeric unit called Nucleotide. A nucleotide consist of - a) Sugar - Deoxyribose in DNA ( ribose in RNA) b) An organic base- Adenine, cytosine, guanine.
Q: Which statement describes the amount of rainfall in grasslands? 1465 05b5cc622e4d2b4197774b80c
5b5cc622e4d2b4197774b80c- 1more than desertsfalse
- 2less than forestsfalse
- 3Both A & Btrue
- 4None of the abovefalse
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Answer : 3. "Both A & B"
Explanation :
Answer: C) Both A & B Explanation:
Q: Who invented the high level language C? 2234 05b5cc622e4d2b4197774b811
5b5cc622e4d2b4197774b811- 1Dennis M. Ritchietrue
- 2Donald Kunthfalse
- 3Niklaus Writhfalse
- 4Seymour Papertfalse
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Answer : 1. "Dennis M. Ritchie"
Explanation :
Answer: A) Dennis M. Ritchie Explanation: C, an early systems programming language, was developed by Dennis Ritchie and Ken Thompson at Bell Labs between 1969 and 1973.
Q: An object at rest may have 1359 05b5cc622e4d2b4197774b802
5b5cc622e4d2b4197774b802- 1Momentumfalse
- 2Potential energytrue
- 3Velocityfalse
- 4Kinetic energyfalse
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Answer : 2. "Potential energy"
Explanation :
Answer: B) Potential energy Explanation: An object at rest may have Potential energy.
Q: Which of the following is not a Fundamental Right? 1005 05b5cc622e4d2b4197774b807
5b5cc622e4d2b4197774b807- 1Right To Freedom Of Speech And Expressionfalse
- 2Right To Employmenttrue
- 3Right To Equalityfalse
- 4Right To Educationfalse
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Answer : 2. "Right To Employment"
Explanation :
Answer: B) Right To Employment Explanation: Fundamental Rights are the basic rights of the common people and inalienable rights of the people who enjoy it under the charter of rights of Constitution of India. The six fundamental rights recognised by the Indian constitution are:: the right to equality, right to freedom, right against exploitation, right to freedom of religion, cultural and educational rights, right to constitutional remedies.