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Which of the following given below is not related to formation of annual rings in trees?

1. Annual ring is a combination of spring wood and autumn wood produced in a year.
2. Differential activity of cambium causes light and dark bands of tissue - early and late wood respectively.
3. Activity of cambium depends upon variation in climate.
4. Annual rings are not prominent in trees of temperate region.

Correct answer: Annual rings are not prominent in trees of temperate region.

Solution

Annual rings are typically most distinct in temperate regions because cambial activity changes with seasons, producing clear early wood and late wood. So the statement saying they are not prominent in temperate trees is the one that does not fit.

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