CBSE Class 10 Sample Paper Science Solution - For 2023 Boards

The diagram shown below depicts pollination. Choose the options that will show a maximum variation in the offspring.

Question 12 - The diagram shown below - teachoo.jpg

  1. A, B and C
  2. B and D
  3. B, C and D
  4. A and C



Here, 2 different forms of pollination have been shown in the diagram. 

  • A and C show Self Pollination .
  • B and D show Cross Pollination .
  • In self pollination , the pollen grain is transferred from the anther to the stigma of the same flower .
  • Variation does not occur in Self-pollination. 
  • In Cross Pollination , the pollen grain is transferred from the anther of one flower to the stigma of another flower
  • This leads to variation in the next generation. 

Therefore, the correct answer is (b) B and D

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo