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Tiny pores on a leaf surface let gases pass in and out. They are the:

AStomata
BStigmas
CSepals
DStamens
Answer & Solution
Correct answer: A. Stomata
1. Gas exchange in a leaf happens through small pores. 2. These pores are named stomata. 3. So the answer is stomata. _Source: syllabus Science Class VII, Chapter 1, Nutrition in Plants._
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