IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: In how many ways word of 'GLACIOUS' can be arranged such that 'C' always comes at end? 1955 05b5cc626e4d2b4197774b825
5b5cc626e4d2b4197774b825- 13360false
- 25040true
- 3720false
- 41080false
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उत्तर : 2. "5040"
व्याख्या :
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.
प्र: Find the odd man out of the following number sequence? 3, 5, 13, 43, 167 1610 05b5cc622e4d2b4197774b820
5b5cc622e4d2b4197774b820- 1167true
- 243false
- 313false
- 45false
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उत्तर : 1. "167"
व्याख्या :
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.
प्र: Which element is a member of the halogen family? 1543 05b5cc622e4d2b4197774b816
5b5cc622e4d2b4197774b816- 1Chlorinefalse
- 2Brominefalse
- 3Iodinefalse
- 4All of the abovetrue
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उत्तर : 4. "All of the above"
व्याख्या :
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.
प्र: What type of macromolecule is DNA? 1439 05b5cc622e4d2b4197774b81b
5b5cc622e4d2b4197774b81b- 1Proteinsfalse
- 2Carbohydratesfalse
- 3Nucleic acidstrue
- 4All of the abovefalse
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उत्तर : 3. "Nucleic acids"
व्याख्या :
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.
प्र: Which statement describes the amount of rainfall in grasslands? 1572 05b5cc622e4d2b4197774b80c
5b5cc622e4d2b4197774b80c- 1more than desertsfalse
- 2less than forestsfalse
- 3Both A & Btrue
- 4None of the abovefalse
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उत्तर : 3. "Both A & B"
व्याख्या :
Answer: C) Both A & B Explanation:
प्र: Who invented the high level language C? 2353 05b5cc622e4d2b4197774b811
5b5cc622e4d2b4197774b811- 1Dennis M. Ritchietrue
- 2Donald Kunthfalse
- 3Niklaus Writhfalse
- 4Seymour Papertfalse
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उत्तर : 1. "Dennis M. Ritchie"
व्याख्या :
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.
प्र: An object at rest may have 1592 05b5cc622e4d2b4197774b802
5b5cc622e4d2b4197774b802- 1Momentumfalse
- 2Potential energytrue
- 3Velocityfalse
- 4Kinetic energyfalse
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उत्तर : 2. "Potential energy"
व्याख्या :
Answer: B) Potential energy Explanation: An object at rest may have Potential energy.
प्र: Which of the following is not a Fundamental Right? 1220 05b5cc622e4d2b4197774b807
5b5cc622e4d2b4197774b807- 1Right To Freedom Of Speech And Expressionfalse
- 2Right To Employmenttrue
- 3Right To Equalityfalse
- 4Right To Educationfalse
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उत्तर : 2. "Right To Employment"
व्याख्या :
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.