No. |
Tissue system |
Tissues present |
1. |
Epidermal tissue system |
Epidermis, trichomes, hairs, stomata |
2. |
Ground tissue system |
Parenchyma, collenchyma, sclerenchyma, mesophyll |
3. |
Vascular tissue system |
Xylem, phloem, cambium |
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell.
Describe the role of liver, lungs and skin in excretion.
Both lysosomes and vacuoles are endomembrane structures, yet they differ in terms of their functions. Comment.
Katai mast site hai
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