IIT JEE Practice Question and Answer
8Q: What type of lens is a magnifying glass? 1785 05b5cc69de4d2b4197774c8e6
5b5cc69de4d2b4197774c8e6- 1Divergingfalse
- 2Sphericalfalse
- 3Convergingtrue
- 4Achromaticfalse
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Answer : 3. "Converging"
Explanation :
Answer: C) Converging Explanation: A magnifying glass is a convex lens that is used to produce a magnified image of an object. It is also called a hand lens in laboratory contexts.
Q: When is International Day of Families observed ? 1785 05b5cc6dfe4d2b4197774eadf
5b5cc6dfe4d2b4197774eadf- 1May 13false
- 2May 15true
- 3May 16false
- 4May 14false
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Answer : 2. "May 15"
Explanation :
Answer: B) May 15 Explanation: 15 May. Theme of International Day of Family 2017 is “Families, education and well-being”.
Q: Ravi, Anand and Pranay are running a business firm in partnership. What is Anand's share in the profit earned by them? a. Ravi, Anand and Pranay invested the amounts in the ratio of 2 : 4 : 7. b. Pranay's share in the profit is Rs. 8750. 1785 05b5cc767e4d2b4197774fe31
5b5cc767e4d2b4197774fe31- 1Only a is sufficientfalse
- 2Neither a nor b is sufficientfalse
- 3Only b is sufficientfalse
- 4Both a and b sufficienttrue
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Answer : 4. "Both a and b sufficient"
Explanation :
Answer: D) Both a and b sufficient Explanation: Given Pranay's profit in the share is Rs. 8750 But given that their investments are in the ratio 2:4:7 713×P = 8750 P = 16250 Now Anand's share = 413×16250 = Rs.5000 Thus both staements a and b are sufficient to answer this question.
Q: Where does glycolysis take place in Eukaryotic cells? 1785 05b5cc66de4d2b4197774bfc5
5b5cc66de4d2b4197774bfc5- 1Mitochondrial Outer membranefalse
- 2Cytoplasmtrue
- 3Mitochondrial inner membranefalse
- 4None of the abovefalse
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Answer : 2. "Cytoplasm"
Explanation :
Answer: B) Cytoplasm Explanation: Glycolysis is the first step of cellular respiration. This process breaks down glucose into two pyruvic acids, and produces 2 ATP and 2 NADH. In eukaryotic cells, glycolysis and fermentation reactions occur in the cytoplasm.
Q: The leading state in producing paper is 1785 05b5cc6a2e4d2b4197774cb1c
5b5cc6a2e4d2b4197774cb1c- 1Keralafalse
- 2Odishafalse
- 3Biharfalse
- 4West Bengaltrue
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Answer : 4. "West Bengal"
Explanation :
Answer: D) West Bengal Explanation:
Q: On the eve of Christmas, all the things are kept in apple-pie order. 1785 05b5cc6bae4d2b4197774d7ee
5b5cc6bae4d2b4197774d7ee- 1with neatnessfalse
- 2in perfect orderfalse
- 3in jumbled orderfalse
- 4Both A & Btrue
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Answer : 4. "Both A & B"
Explanation :
Answer: D) Both A & B Explanation:
Q: 4 45 of 259.99 = ? % of 1247.9 1784 05b5cc662e4d2b4197774bea1
5b5cc662e4d2b4197774bea1- 196false
- 2100true
- 378false
- 488false
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Answer : 2. "100"
Explanation :
Answer: B) 100 Explanation: Given 4 45 of 259.99 = ? % of 1247.9 24/5 x 260 = ? x 1248/100 ? = 1248 x 100/1248 ? = 100.
Q: What are the building blocks of Nucleic Acids? 1784 05b5cc6a9e4d2b4197774cf0a
5b5cc6a9e4d2b4197774cf0a- 1Pentose Sugarfalse
- 2DNAfalse
- 3RNAfalse
- 4Nucleotidestrue
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Answer : 4. "Nucleotides"
Explanation :
Answer: D) Nucleotides Explanation: The building blocks of the nucleic acids are "Nucleotides". Each nucleotide are composed of three parts. They are :: 1.Pentose sugar 2.Nitrogenous bases 3.Phosphoric acid.