IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: What do eukaryotic cells have that prokaryotic cells do not? 1361 0

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    Nucleus
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    Cytoplasm
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    Ribosomes
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    DNA
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उत्तर : 1. "Nucleus"
व्याख्या :

Answer: A) Nucleus Explanation: Eukaryotic cells contain membrane-bound organelles, including a nucleus. Eukaryotes can be single-celled or multi-celled, such as you, me, plants, fungi, and insects.   Whereas Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle. Bacteria are an example of prokaryotes.

प्र: Privately owned businesses are common in which type of economy? 1361 0

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    Capitalist economies
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    Socialist economies
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    Gift economies
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    Planned economies
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उत्तर : 1. "Capitalist economies"
व्याख्या :

Answer: A) Capitalist economies Explanation:

प्र: A goods truck travels from a place at a certain time and at fixed speed. After 6hrs another truck leaves the same place and move in same direction of uniform speed of 90kmph. The truck catches up the goods truck in 4hrs. Find the speed of the goods truck ? 1361 0

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    36 kmph
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    32 kmph
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    28 kmph
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    34 kmph
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उत्तर : 1. "36 kmph"
व्याख्या :

Answer: A) 36 kmph Explanation: Let the speed of goods truck be 'p' kmphDistance covered by goods truck in 10hrs (4+6) = Distance covered by other truck in 4 hrs. 10p = 4 x 90p = 36kmph.Therefore, the speed of the goods truck is p = 36 kmph.

प्र: K, L and M can do a piece of work in 20, 30 and 60 days respectively. In how many days can K do the total work if he is assisted by L and M on every third day ? 1361 0

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    15 days
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    13 days
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    12 days
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    10 days
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उत्तर : 1. "15 days"
व्याख्या :

Answer: A) 15 days Explanation: In one day work done by K = 1/20 Work done by K in 2 days = 1/10   Work done by K,L,M on 3rd day =1/20 + 1/30 + 1/60 = 1/10 Therefore, workdone in 3 days is = 1/10 + 1/10 = 1/5   1/5th of the work will be completed at the end of 3 days. The remaining work = 1 - 1/5 = 4/5 1/5 of work is completed in 3 days Total work wiil be done in 3 x 5 = 15 days.

प्र: What is the difference between the compound interests on Rs. 5000 for 11⁄2 years at 4% per annum compounded yearly and half-yearly? 1361 0

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    Rs. 1.80
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    Rs. 2.04
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    Rs. 3.18
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    Rs. 4.15
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उत्तर : 2. "Rs. 2.04"
व्याख्या :

Answer: B) Rs. 2.04 Explanation: Compound Interest for 1 1⁄2 years when interest is compounded yearly = Rs.(5304 - 5000) Amount after 11⁄2 years when interest is compounded half-yearly Compound Interest for 1 1⁄2 years when interest is compounded half-yearly = Rs.(5306.04 - 5000) Difference in the compound interests = (5306.04 - 5000) - (5304 - 5000)= 5306.04 - 5304 = Rs. 2.04

प्र: What was the topic of the book 'The Other America'? 1361 0

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    Poverty was widespread in America.
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    Education was lacking in America.
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    Racism was widespread in America.
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    Americans needed more highways.
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उत्तर : 1. "Poverty was widespread in America."
व्याख्या :

Answer: A) Poverty was widespread in America. Explanation: The book "The Other America" was written by Michael Harrington. The topic of the book 'The Other America' was Poverty was widespread in America.

प्र: UDAN - 2 has how many routes? 1361 0

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    128
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    325
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    256
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    110
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उत्तर : 2. "325"
व्याख्या :

Answer: B) 325 Explanation: The Indian Government awarded 325 routes to airlines as well as helicopter operators under its regional connectivity scheme (RCS) with an emphasis on enhancing flight services to hilly and remote areas, including Kargil under the Regional air Connectivity Scheme (RCS) — Ude Desh Ka Aam Naagrik (UDAN-2). In the UDAN - 1 it has 128 routes.

प्र: Pressure, pain, and temperature receptors in the skin are 1360 0

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    Exteroceptors
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    Proprioceptors
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    Interoceptors
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    Mechanoreceptors
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उत्तर : 1. "Exteroceptors"
व्याख्या :

Answer: A) Exteroceptors Explanation:

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