ICSE Class 9 Biology
Question 1 of 13
Tissues: Plant and Animal Tissues — Question 1
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Question Distinguish between following pairs with reference to what is asked in the brackets.
(a) Parenchyma and Collenchyma (cellular structure)
(b) Meristematic and Permanent tissue (cell division)
(c) Blood and Lymph (cellular components)
(d) Bone and Cartilage (porosity)
(e) Voluntary and Involuntary muscles (shape and cellular structure)
(a) Difference between Parenchyma and Collenchyma (cellular structure):
| Parenchyma | Collenchyma |
|---|---|
| Cell is large with thin cell walls having one large vacuole. Cells are oval, circular and polygonal. | Elongated cells with thick cell walls. Cell walls thickened at corners. |
(b) Difference between Meristematic and Permanent tissue (cell division):
| Meristematic tissue | Permanent tissue |
|---|---|
| Cells divide and result in growth. | Cells cannot divide. |
(c) Difference between Blood and Lymph (cellular components):
| Blood | Lymph |
|---|---|
| Blood consists of plasma, red blood cells, white blood cells and platelets. | Lymph consists of plasma and white blood cells. |
(d) Difference between Bone and Cartilage (porosity):
| Bone | Cartilage |
|---|---|
| Bone is porous. | Cartilage is non-porous. |
(e) Difference between Voluntary and Involuntary muscles (shape and cellular structure):
| Involuntary muscle cells | Voluntary muscle cells |
|---|---|
| Spindle shaped and small cells. | Cylindrical and long cells. |
| Uni-nucleated cells. | Multi-nucleated cells. |
| Striations are absent. | Striations are present. |