प्रश्न और उत्तर का अभ्यास करें

प्र: First woman to win olympic medal for India 1253 0

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    Mary Kom
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    Saina Nehwal
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    Karnam Malleshwari
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    P.V. Sindhu
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उत्तर : 3. "Karnam Malleshwari"
व्याख्या :

Answer: C) Karnam Malleshwari Explanation: The first Indian woman to ever win an Olympic medal for India was Karnam Malleswari who won a bronze medal at the Sydney Olympics 2000 in the Women's 69 kg category in Weightlifting.   Karnam Malleswari is a retired Indian weightlifter. In 1995 she received the Rajiv Gandhi Khel Ratna, India's highest sporting honour, and in 1999 the civilian Padma Shri award.   After that Indian women who won Olymic medals to India was :    1. Mary Kom at the London 2012 Summer Olympics won bronze medal in women's boxing.   2. Saina Nehwal was the first Indian to win a medal in Badminton at the Olympics, by winning the Bronze medal at the London Olympics 2012.   3. Sakshi Malik became the first Indian woman to win a medal in Wrestling. She won the Bronze medal in Women's 58 kg freestyle wrestling in 2016 Summer Olympics held in Rio.   4. P.V. Sindhu became the first ever Indian woman to win the Silver medal at the Olympics, by reaching the Badminton final at Rio Olympics 2016.

प्र: what is the gram formula mass of NH43PO4? 1895 0

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    139.54
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    140.70
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    149.08
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    153.24
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उत्तर : 3. "149.08"
व्याख्या :

Answer: C) 149.08 Explanation: The gram formula mass is nothing but molar mass.   Composition :   Symbol      Element       Atomic weight       Atoms          P         Phosphorus       30.973762               1       = 30.973         O         Oxygen             15.9994                  4       =  63.998         N         Nitrogen            14.0067                  3       =  42.020         H         Hydrogen          1.00794                  12      =  12.096     Total   =  30.973+63.998+42.020+12.096 = 149.087

प्र: A plane is an undefined term because it 2126 0

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    is a flat surface that extends indefinitely in all directions
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    is where other geometric shapes can be constructed
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    is described generally, not using a formal definition
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    can be named using three noncollinear points
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उत्तर : 3. "is described generally, not using a formal definition"
व्याख्या :

Answer: C) is described generally, not using a formal definition Explanation: In geometry, we can define plane as a flat surface with no thickness. The surface extends with no ends. A plane does not have any edges even if we draw it on paper with edges, it does't mean it has edges.   Hence, A plane is an undefined term because it is described generally, not using a formal definition.

प्र: This phenomenon is sometimes referred to as the southern lights. 1715 0

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    Aurora australis
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    Aurora borealis
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    Aurora polaris
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    Aurora coriolis
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उत्तर : 1. "Aurora australis"
व्याख्या :

Answer: A) Aurora australis Explanation: Polar lights (aurora polaris) are a natural phenomenon found in both the northern and southern hemispheres that can be truly awe inspiring. Northern lights are also called by their scientific name, aurora borealis, and Southern lights are called aurora australis.

प्र: Nipah virus outbreak in Bangladesh in the year 1280 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: Where is glucose stored in the body? 1926 0

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    bones
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    blood
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    organs
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    None of the above
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उत्तर : 2. "blood"
व्याख्या :

Answer: B) blood Explanation: In human body, glucose is stored in blood stream before it is converted to glycogen. Excess glucose is stored in the form of fats. After conversion, glycogen is stored in Muscles and Liver.

प्र: GDPR means 1705 0

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    General Data Protection Regulation
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    Generic Data Per Random
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    Generic Data Protection Regulation
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    Gross Data Protection Regulation
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उत्तर : 1. "General Data Protection Regulation"
व्याख्या :

Answer: A) General Data Protection Regulation Explanation: GDPR stands for the General Data Protection Regulation. The GDPR is a piece of EU legislation passed by the European Parliament in 2016.   It aims to make it simpler for people to control how companies use their personal details. Companies will not be allowed to collect and use personal information without the person's consent. Data includes things like a person's name, email address and phone number, and also internet browsing habits collected by website cookies.

प्र: What animal has the worst memory? 6445 0

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    Dog
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    Rat
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    Elephant
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    Dolphin
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उत्तर : 3. "Elephant"
व्याख्या :

Answer: C) Elephant Explanation: Elephant has worst shortest memory and dolphin has longest memory in the Animal kingdom.

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