IIT JEE Practice Question and Answer
8Q: "Confederation Cup" is associated with which of the following game? 1709 05b5cc6b3e4d2b4197774d419
5b5cc6b3e4d2b4197774d419- 1Hockeyfalse
- 2Badmintonfalse
- 3Chessfalse
- 4Footballtrue
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Answer : 4. "Football"
Explanation :
Answer: D) Football Explanation:
Q: The length of a class room floor exceeds its breadth by 25 m. The area of the floor remains unchanged when the length is decreased by 10 m but the breadth is increased by 8 m. The area of the floor is 1709 05b5cc6b6e4d2b4197774d577
5b5cc6b6e4d2b4197774d577- 15100 sq.mtrue
- 24870 sq.mfalse
- 34987 sq.mfalse
- 44442 sq.mfalse
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Answer : 1. "5100 sq.m"
Explanation :
Answer: A) 5100 sq.m Explanation: Let the breadth of floor be 'b' m. Then, length of the floor is 'l = (b + 25)' Area of the rectangular floor = l x b = (b + 25) × b According to the question, (b + 15) (b + 8) = (b + 25) × b b2 + 8b + 15b + 120 = b2 + 25b 2b = 120 b = 60 m. l = b + 25 = 60 + 25 = 85 m. Area of the floor = 85 × 60 = 5100 sq.m.
Q: Plants mainly receive their nutrients from 1709 05b5cc6bbe4d2b4197774d863
5b5cc6bbe4d2b4197774d863- 1Sun lightfalse
- 2Soiltrue
- 3Pesticidesfalse
- 4Chlorophyllfalse
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Answer : 2. "Soil"
Explanation :
Answer: B) Soil Explanation: Plants receive their nutrients mainly from Soil. Because Soil contains all Minerals, Water, Humus and some useful Microbes which are responsible for the proper Growth of the Plants.
Q: Name the Indian player who was chosen by the Indian Olympic Association (IO 1706 05b5cc69fe4d2b4197774c9e7
5b5cc69fe4d2b4197774c9e7- 1as the flag-bearer of the Indian contingent for the opening ceremony of the Gold Coast Commonwealth Games. A) P V Sindhutrue
- 2Deepa Karmakarfalse
- 3Saina Nehwalfalse
- 4A) P V Sindhu B) Deepa Karmakar C) Saina Nehwal D)false
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Answer : 1. "as the flag-bearer of the Indian contingent for the opening ceremony of the Gold Coast Commonwealth Games.
A) P V Sindhu"
Explanation :
Answer: A) P V Sindhu Explanation: Indian Olympic Association (IOA) chooses P.V. Sindhu as the flag-bearer of the Indian contingent for the opening ceremony of the Gold Coast Commonwealth Games. The opening ceremony will be held on April 4, 2018.
Q: If every seconds Saturday and all Sundays are holidays in a 30 days month beginning on Saturday, then how many working days are there in that month ? (Month starts from Saturday) 1706 05b5cc6f8e4d2b4197774f054
5b5cc6f8e4d2b4197774f054- 125false
- 222false
- 324false
- 423true
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Answer : 4. "23"
Explanation :
Answer: D) 23 Explanation: As month begins on Saturday, so 2nd, 9th, 16th, 23rd, 30th days will be Sundays. While 8th and 22nd days are second Saturdays. Thus, there are 7 holidays in all. Hence, no. of working days = 30 – 7 =23
Q: What type of compound is Lecithin? 1705 05b5cc6a0e4d2b4197774ca67
5b5cc6a0e4d2b4197774ca67- 1Sterolfalse
- 2Phospholipidtrue
- 3Lipoproteinfalse
- 4Glycolipidfalse
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Answer : 2. "Phospholipid"
Explanation :
Answer: B) Phospholipid Explanation: Lecithin is a Phospholipid type of compounds. The main phospholipids in lecithin from soya and sunflower are phosphatidyl choline, phosphatidyl inositol, phosphatidyl ethanolamine, and phosphatidic acid.
Q: What are the Multiples of 4? 1705 05b5cc6afe4d2b4197774d21b
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Answer :
Explanation :
The Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 upto 40. Mutiples of 4 means which can be divided by 4 leaving remainder '0'. Common Multiples of 4 & 6 are 12, 24, 36, 48, 60 upto 60.
Q: Is yeast a fungus or bacteria? 1704 05b5cc669e4d2b4197774bf4c
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Answer :
Explanation :
Yeast belongs to members of the Kingdom Fungi. Yeast are single-celled microorganisms that are classified, along with molds and mushrooms in Fungi family. Yeasts are evolutionally diverse and are therefore classified into two separate phyla, Ascomycota or sac fungi and Basidiomycota or higher fungi, that together form the subkingdom Dikarya.

