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Which one of the following statements is wrong?
| 1. | Vegetative cell is larger than generative cell |
| 2. | Pollen grains in some plants remain viable for months |
| 3. | Intine is made up of cellulose and pectin |
| 4. | When pollen is shed at a two-celled stage, double fertilization does not take place |
Other Reason

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