(b) human cheek cells & to record observations and draw their labelled diagrams. 5. Identification of Parenchyma, Collenchyma and Sclerenchyma tissues in plants, striped, smooth and cardiac muscle ...
NCERT books are the first preference to prepare for CBSE and competitive exams. Class 9 is the foundation builder for students so they need to develop a strong conceptual foundation for higher studies ...
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