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Plant Tissues and Anatomy — Biology STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceBiologyPlant Tissues and Anatomy2 Marks
Question
Student while observing a slide of leaf section observed many stomata on the upper surface. He thought he has placed slide upside down. Teacher confirmed it is rightly placed. Explain.
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Answer

1. In a dicot leaf, stomata are generally absent on upper epidermis but are present on lower epidermis. Thus, the student must have thought that he has placed slide upside down.
2. According to teacher, the section was placed rightly, thus the given section must be of monocot leaf.
3. It is because, in monocot leaf stomata are present on both upper and lower epidermis.

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