NEET Biology question
Study the following columns and choose the correct combination.
Tissue / Structural Feature / Function 1. Collenchyma / Cell walls with high water content / Photosynthesis in young stems 2. Parenchyma / Suberised cell walls / Storage of food 3. Sclerenchyma / Lignified cell walls / Mechanical strength 4. Digestive glands / Dense cytoplasm / Breaking the substrate without water
Solution
Collenchyma cells have unevenly thickened cellulose-pectin walls with a high water-retaining capacity, and being living cells they often contain chloroplasts, enabling photosynthesis in young stems — row I is correct. Sclerenchyma cells have heavily lignified walls and chiefly provide mechanical strength — row III is
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