CBSE Class 12 Odissi Dance Question Paper 2020 with Answer Key (February 17)

CBSE CLASS XII Questions

• 1.

  Calculate emf of the following cell at 298 K: \[ \text{Cr(s)} \, | \, \text{Cr}^{3+} (aq) \, (0.1\, M) \; || \; \text{Fe}^{2+} (aq) \, (0.01\, M) \, | \, \text{Fe(s)} \] Given: \[ E^\circ_{\text{Cr}^{3+}/\text{Cr}} = -0.74 \, V, \quad E^\circ_{\text{Fe}^{2+}/\text{Fe}} = -0.44 \, V, \quad \log 10 = 1 \]

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• 2.

  Which of the following is not related to positive attitude?

  • It makes a person happier.
    
  • It helps to build and maintain relationships.
    
  • It decreases one's chances of success.
    
  • It helps to make better decisions.
    
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• 3.

  Rohan failed an important exam. Instead of accepting that he didn't prepare well, he insists that the teacher was biased and the exam was unfair. Which defence mechanism is Rohan using?
  

  • Repression
    
  • Projection
    
  • Rationalization
    
  • Denial
    
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• 4.

  Arrange the following in the correct sequence of their evolution and select the correct option:
  (i) Seaweed
  (ii) Invertebrates
  (iii) Jawless fish
  

  • (i), (ii), (iii)
  • (i), (iii), (ii)
  • (ii), (iii), (i)
  • (ii), (i), (iii)
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• 5.

  Arrange the following historical events in chronological order and choose the correct option: I. Champaran Satyagraha
  II. Kheda Satyagraha
  III. Jallianwala Bagh Incident
  IV. Rowlatt Act
  Options:

  • I, II, III, IV
    
  • I, II, IV, III
    
  • II, III, I, IV
    
  • II, IV, III, I
    
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• 6.

  Hari, Murari and Abhi were partners in a firm sharing profits and losses in the ratio of 8 : 7 : 4. Murari retired from the firm on 31st March, 2025. Hari and Abhi decided to share profits in the future in the ratio of 2 : 1. The gaining ratio of Hari and Abhi was:

  • 1 : 2
    
  • 8 : 7
    
  • 2 : 1
    
  • 7 : 4
    
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