IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Proclamation of Emergency under Article 352 has been done How many times ? 1090 0

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    4
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    3
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    2
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    1
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उत्तर : 2. "3"
व्याख्या :

Answer: B) 3 Explanation:

प्र: Which international Airport Ltd has bagged the National Award for 'Excellence' in Energy Management ? 1089 0

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    New Delhi
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    Lucknow
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    Hyderabad
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    Mumbai
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उत्तर : 3. "Hyderabad"
व्याख्या :

Answer: C) Hyderabad Explanation:

प्र: Which of the following is known as the Electronic City of India? 1089 0

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    Hyderabad
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    Mumbai
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    Bengaluru
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    Gurgaon
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उत्तर : 3. "Bengaluru"
व्याख्या :

Answer: C) Bengaluru Explanation: Bengaluru city is known as the Electronic City of India. Because Electronic City is an IT hub in Anekal taluk of Bengaluru, Karnataka, India. It is one of India's largest electronic industrial parks in 3 phases i.e, in Konappana Agrahara and Doddathogur villages, Bengaluru.

प्र: What process never occurs in interphase? 1089 0

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उत्तर :
व्याख्या :

Absence of cell division is the process that never comes in interphase.

प्र: Nipah virus outbreak in Bangladesh in the year 1088 0

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    2001
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    2006
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    2012
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    2015
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उत्तर : 1. "2001"
व्याख्या :

Answer: A) 2001 Explanation: The first identification of Nipah virus as a cause of an outbreak of encephalitis was reported in 2001 in Meherpur district of Bangladesh. Since, then Outbreaks of the deadly Nipah virus has been recorded almost every year in selected districts of Bangladesh.   Drinking raw date palm sap and contact with a case were identified as the major risk factors for acquiring the disease.

प्र: Intermolecular forces in HCl are 1088 0

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    Hydrogen bonding
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    Dipole-dipole
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    Dispersion force
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    All the above
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उत्तर : 4. "All the above"
व्याख्या :

Answer: D) All the above Explanation: Intermolecular forces : The forces of attraction present in between the molecules or atoms or compounds is termed as intermolecular forces. The molecule HCl is composed of hydrogen and chlorine atom. There is high difference in electronegativities therefore, it is polar in nature. The H end of HCl is permanently slightly positive charge. The Cl end of HCl has a permanent slight negative charge. the "H" in one molecule is attracted to the "Cl" in a neighbor. The intermolecular force is weak compared to a covalent bond. But this dipole-dipole interaction is one of the stronger intermolecular attractions. It also has hydrogen bonding and dispersion forces.  Dispersion forces are the weakest forces which are present in between all molecules or atoms.Hydrogen bonds are present in molecules having at least one H-A bond where A is the strong electronegative atom (mainly F, Cl and N).

प्र: Pressure, pain, and temperature receptors in the skin are 1087 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:

प्र: What is the difference between the number of uneducated females in city P and that of uneducated males in city S ? 1087 0

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    9 lakhs
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    6 lakhs
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    3 lakhs
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    2 lakhs
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उत्तर : 1. "9 lakhs"
व्याख्या :

Answer: A) 9 lakhs Explanation: Educated females in city P = 25 lakhs Uneducated females in city P = 30 - 25 = 5 lakhs Educated males city S = 21 lakhs Educated males in city S = 35 - 21= 14 lakhs Required difference = 14 - 5 = 9 lakhs

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