CBSE Class 10 Electronics & Hardware 2026 Question Paper with Solution PDF

CBSE X Questions

• 1.

  Paddy fields require a large amount of water. The pesticides and chemical fertilizers used are washed down into the soil or waterbodies. How do these chemicals reach our bodies? What is this phenomenon known as?

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• 2.

  State two differences between pollination and fertilization.

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• 3.

  Assertion (A) : \((\sqrt{3} + \sqrt{5})\) is an irrational number.
  Reason (R) : Sum of the any two irrational numbers is always irrational.
  

  • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
    
  • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
    
  • Assertion (A) is true, but Reason (R) is false.
    
  • Assertion (A) is false, but Reason (R) is true.
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• 4.

  Three tennis balls are just packed in a cylindrical jar. If radius of each ball is \(r\), volume of air inside the jar is
  

  

  • \(2\pi r^3\)
    
  • \(3\pi r^3\)
    
  • \(5\pi r^3\)
    
  • \(4\pi r^3\)
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• 5.

  The graph of \(y = f(x)\) is given. The number of zeroes of \(f(x)\) is :
  

  

  • 0
    
  • 1
    
  • 3
    
  • 2
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• 6.

  Arrange the following events in chronological order and choose the correct option: I. Salt Satyagraha
  II. Kheda Satyagraha
  III. Rowlatt Satyagraha
  IV. Ahmedabad Mill Workers Satyagraha

  • II, I, III, IV
    
  • II, IV, III, I
    
  • III, II, IV, I
    
  • II, I, IV, III
    
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