General Awareness Quiz – General Science

General Awareness Quiz for SSC CGL, SSC CHSL and Railways exams.

Topic: General Science – Physics, Chemistry and Biology

1. Which two following pairs of physical quantity have the same dimensions? /
   भौतिक मात्रा के निम्नलिखित दो जोड़े में समान आयाम हैं?
   A) Power and Work
   B) Energy and Work
   C) Force and Power
   D) Power and Momentum
   
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     Option B
   Explanation: Work and Energy both have same dimension of M¹L²T^-2
2. What is the maximum density of water?/
   जल का अधिकतम घनत्व क्या है?
   A) 1 g/cc
   B) 2 g /cc
   C) 1.5 g/cc
   D) 3 g/cc
   
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     Option A
   Explanation: 1 g/cc at 4 degree C
3. Water has the maximum density at what temperature?/
   पानी का अधिकतम घनत्व किस तापमान पर होता है?
   A) 100 Degree C
   B) 4 Degree C
   C) 0 Degree C
   D) 10 Degree C
   
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   Option
   Explanation: 1 g/cc at 4 degree C
4. Which of the following is a Scalar Quantity?
   निम्नलिखित में से कौन सी एक स्केलर मात्रा है?
   A) Displacement/ विस्थापन
   B) Force / फोर्स
   C) Weight/ वजन
   D) Temperature/ तापमान
   
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   Option D
   Explanation: Quantities which have only magnitude and no direction are called scalar quantities: Some examples of scalar quantites are: mass, distance, time, speed, volume, density, pressure, work, energy, power, charge, electric current, temperature, scalar potential, specific heat, frequency etc.
5. Water softening is the removal of______ and _____ from water/
   जल को नरम करना पानी से ______ और _____ को निकालना है
   A) Magnesium and Sulphur / मैग्नीशियम और सल्फर
   B) Calcium and Magnesium / कैल्शियम और मैग्नीशियम
   C) Sulphur and Ammonium / सल्फर और अमोनियम
   D) Calcium and Ammonium /कैल्शियम और अमोनियम
   
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   Option B
   Explanation: Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water.
6. Which metal is used in galvanization of iron?/
   लोहे के गैल्वनीकरण में किस धातु का उपयोग किया जाता है?
   A) Copper / तांबा
   B) Zinc / जस्ता
   C) Tin / टिन
   D) Lead / सीसा
   
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   Option B
   Explanation: Galvanization or galvanizing is the process of applying a protective zinc coating to steel or iron, to prevent rusting.
7. Which amongst these is not a gem stone?/
   इनमें से कौन सा रत्न पत्थर नहीं है?
   A) Opal
   B) Topaz
   C) Pearl
   D) Cat’s eye
   
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   Option D
8. How many mitochondria are presents in a bacteria cell?/
   बैक्टीरिया कोशिका में कितने माइटोकॉन्ड्रिया होते हैं?
   A) 1
   B) 0
   C) 2
   D) 3
   
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   Option B
   Explanation: Mitochondria are membrane bound organelles. Bacteria are prokaryotes that don’t possess membrane bound organelles.
9. Sponge is a type of? /
   स्पंज एक प्रकार का _____ है?
   A) Fungus / कवक
   B) Animal/ पशु
   C) Plant / प्लांट
   D) Fossil / जीवाश्म
   
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   Option B
   Explanation: A sponge is a member of the phylum Porifera. It is a simple animal with many cells, but no mouth, muscles, heart or brain. It is sessile: it cannot move from place to place the way most other animals can.
10. Which among the following is responsible for circulating nitrogen in the ecosystem?/
    पारिस्थितिकी तंत्र में नाइट्रोजन के संचार के लिए निम्नलिखित में से कौन जिम्मेदार है?
    A) Bacteria / बैक्टीरिया
    B) Earthworms / केंचुए
    C) Fungi / फंगी
    D) Metazoa / मेटाजोआ
    
    View answer

    Option A
    Explanation: Bacteria

 

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