प्रश्न और उत्तर का अभ्यास करें

प्र: What was the symbol of death of gautama buddha? 1733 0

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    Stupa
    सही
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    Bodhi tree
    सही
    गलत
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    Lion
    सही
    गलत
  • 4
    Chaitya
    सही
    गलत
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उत्तर : 1. "Stupa"
व्याख्या :

Answer: A) Stupa Explanation: Stupa represents the symbol of death of Gautama Buddha. On the other hand, Bodhi Tree is the symbol of nirvana of Gautama Buddha.

प्र: Which of the following describes the Urban League? 2660 0

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    focused on helping poor African American workers
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    helped middle-class African Americans struggle for political and social justice
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    formed in response to race riots in 1908
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  • 4
    led by Jane Addams and Ida B. Wells
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उत्तर : 1. "focused on helping poor African American workers"
व्याख्या :

Answer: A) focused on helping poor African American workers Explanation:

प्र: An electrically charged atom or group of atoms is called 1416 0

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    An ion
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  • 2
    A meson
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    A electron
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  • 4
    None of the above
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उत्तर : 1. "An ion"
व्याख्या :

Answer: A) An ion Explanation: An electrically charged atom or group of atoms formed by the loss or gain of one or more electrons is called an Ion. Cation: An ion is a cation (positive ion) if it is created by electron loss and is attracted to the cathode in electrolysis. Anion: An ion is an anion (negative ion) if it is created by an electron gain and is attracted to the anode.   The valence of an ion is equal to the number of electrons lost or gained and is indicated by a plus sign for cations and a minus sign for anions. Ex: Na +, Cl−, Ca ++,...

प्र: Pollination by wind is called 2020 0

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    Hydrophily
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  • 2
    Entomophily
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    Anemophily
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  • 4
    Zoophily
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उत्तर : 3. "Anemophily"
व्याख्या :

Answer: C) Anemophily Explanation: Pollination by wind is called Anemophily or Wind pollination. The process of the transfer of pollen from one individual plant to another, whereby the pollen is carried by air currents is called Anemophily.   Almost all gymnosperms (Non-flowering plants) are anemophilous, as are many plants in the order Poales, including grasses, sedges and rushes.

प्र: Which of the following is likely during vigorous exercise? 10577 0

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    Blood flow to the kidneys increases.
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    capillaries of the active muscles will be engorged with blood.
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    The skin will be cold and clammy.
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  • 4
    Blood will be diverted to the digestive organs.
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उत्तर : 2. "capillaries of the active muscles will be engorged with blood."
व्याख्या :

Answer: B) capillaries of the active muscles will be engorged with blood. Explanation: During vigorous exercise capillaries of the active muscles will be engorged with blood.

प्र: What has two hands but no arms or legs? 1976 0

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उत्तर :
व्याख्या :

A Clock has 3 hands i.e, an Hour hand, a Minute hand and a Seconds hand.

प्र: What was the purpose of the double v campaign? 1770 0

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उत्तर :
व्याख्या :

The Double V Campaign was used in World War II. The purpose of the double v campaign is to fight for victory and ending segregation at home. It was aimed at African-Americans, and it first appeared in an African-American newspaper, the Pittsburgh Courier, in 1942. The Double V Campaign worked to have a victory over racism abroad and racism in the United States.It stood so it gave a chance for Black Americans to fight in the war so they could achieve Victory at Home and Abroad- (Civil Rights then the war in the Atlantic and Pacific).

प्र: Brightness of bulb depends on voltage or current? 1061 0

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    Current
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  • 2
    Voltage
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    Both A & B
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  • 4
    None
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उत्तर : 3. "Both A & B"
व्याख्या :

Answer: C) Both A & B Explanation: Brightness of bulb depends on both voltage and current. The brightness depends on power. Since we know that  Power (P) = Voltage x Current = V I So whether you increase the current or the voltage the brightness will increase.   Example Illustration:  If you connect a long bulb and a round bulb in series, the long bulb glows but the round bulb does not. Both of them have the same current flowing through them (they are in series) but the long bulb has a greater voltage across it because it has more resistance (even though V= IR is not obeyed exactly, voltage drop does depend on the resistance). If you connect a round bulb and a long bulb in parallel, however, it is the round bulb that is brighter because now the voltage across both bulbs is the same but the current is larger through the round bulb (smaller resistance).   Hence, the brightness of a bulb depends on power i.e, both voltage and current.

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