IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Highest Jute producing state in India? 1754 0

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    Gujarat
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    West Bengal
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  • 3
    Uttar Pradesh
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  • 4
    Bihar
    सही
    गलत
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उत्तर : 2. "West Bengal"
व्याख्या :

Answer: B) West Bengal Explanation: West Bengal is the highest Jute producing state in India followed by Bihar and Assam in second and third place. Gujarat is the largest Cotton producing state in India.

प्र: At an examination in which maximum marks are 500. P got 10% less than Q, Q got 25% more than R and R got 20% less than S. If P got 360 marks what percentage of marks was obtained by S ? 1754 0

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    77
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    74
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    80
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  • 4
    83
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उत्तर : 3. "80"
व्याख्या :

Answer: C) 80 Explanation: Let marks obtained by S = M R's marks = 0.80M Q's marks = 1.25 (0.80M) P's marks = (0.90) (1.25) (0.80M) = 0.9M But 0.9M = 360 M = ? M = 400 Hence % of marks obtained by S = 400/500 x 100 = 80%.

प्र: The enzyme that converts glucose to ethyl alcohol is 1753 0

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    Maltase
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  • 2
    Zymase
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    Diastase
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  • 4
    Invertase
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उत्तर : 2. "Zymase"
व्याख्या :

Answer: B) Zymase Explanation:

प्र: " Rani ki Vav " an archaeological attraction is located in which of the following states ? 1753 0

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    Andhra Pradesh
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    Telangana
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  • 3
    Rajasthan
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  • 4
    Gujarat
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उत्तर : 4. "Gujarat"
व्याख्या :

Answer: D) Gujarat Explanation: Rani ki Vav meaning the Queen’s Stepwell is an archaeological site in the state of Gujarat. Beauitfully structured, the site has been included in the list of international heritage sites by UNESCO. With the help of the ambitious project, The Scottish Ten, Rani ki Vav is among the five heritage sites that would be recreated digitally for managment and conservation.

प्र: Which of the following is not an enzyme? 1753 0

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    Oxytocin
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    Trypsin
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    Pepsin
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  • 4
    Ptyalin
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उत्तर : 1. "Oxytocin"
व्याख्या :

Answer: A) Oxytocin Explanation: Oxytocin is a mamallian hormone and also acts as neuro transmitter in the brain.

प्र: What is the first term of an arithmetic progression of positive integers ? (I) Sum of the squares of the first and the second term is 116. (II)The fifth term is divisible by 7. 1753 0

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    Only a is sufficient
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    Only b is sufficient
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    Both a & b are necessary
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  • 4
    None
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उत्तर : 1. "Only a is sufficient"
व्याख्या :

Answer: A) Only a is sufficient Explanation: The sum of square of two no is 116 i.e no lie 1-11, because 11x11 =121 which is greater than 116 again after cheaking all possible pair of no only 4 and 10 satisfy this condsn , again the progression is of positive integer so 10 cant not be 1st termso the 1st term is 4,but from the 2nd we cant able to find the 1st term so only 1st statement is sufficient to answer the question

प्र: Below question has with a part of it underlined. The question is followed by four alternatives to replace the underlined part of the sentence. Choose the best alternative which is grammatically correct. In this particular job we have discovered that to be diligent is more important than being bright. 1753 0

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    for one to be diligent is more important than being bright.
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    by being diligent is important than being bright.
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    being diligent is more important than being bright.
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  • 4
    diligence is more important than brightness.
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उत्तर : 4. "diligence is more important than brightness."
व्याख्या :

Answer: D) diligence is more important than brightness. Explanation: Parallel construction error in the original statement. A similar form is required on each side of the comparison. " Diligence - brightness ".

प्र: What carries Blood back to the Heart? 1752 0

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    Veins
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  • 2
    Arteries
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  • 3
    Both A & B
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  • 4
    None
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उत्तर : 1. "Veins"
व्याख्या :

Answer: A) Veins Explanation: Veins carries Blood back from the body parts to the Heart.   We know that The circulatory system of our body is a loop. The Heart is the pump, the arteries and their smaller branches (arterioles) carry oxygen rich blood all through your body and the veins and their smaller branches (venules) carry oxygen depleted blood and waste products back.

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