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Read the statements and choose the correct option.
Statement I: C4 plants respond to higher temperatures with higher rates of photosynthesis.
Statement II: C3 plants have a much higher temperature optimum than C4 plants.

  • (a) Both Statement I and Statement II are true. Your answer
  • (b) Both Statement I and Statement II are false. Your answer
  • (c) Statement I is true but Statement II is false. Correct
  • (d) Statement I is false but Statement II is true. Your answer
Your answer: Correct answer: (c)
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Explanation

Why (c) is correct

Statement I is true: C4 plants respond to higher temperatures with higher rates. Statement II is false: C3 plants have a lower, not higher, temperature optimum.

Why the other options are wrong

  • (a) · your answer Statement II is false.
  • (b) · your answer Statement I is true.
  • (d) · your answer Statement I is true and II false.
NCERT point: C4 plants: higher temperature optimum.
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Practise Photosynthesis in Higher Plants
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