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Question
Differentiate between integument and testa.
Solution
Integument | Testa | |
1. | It is the covering of the ovule. | It is an outer covering of seed. |
2. | It is thin, one or two layered. | It is quite thick and one layered. |
3. | Its cells are living. | Its cells are dead. |
4. | Sclereids are absent. | Cells are rich in sclereids. |
5. | It arises from the chalazal end of ovule. | It is derived from outer integument of ovule after fertilisation. |
6. | It is pre-fertilised structure. | It is a post-fertilised structure. |
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