Question

what makes some seeds edible and some not edible

Answer 1

We avoid eating seeds of many fruits that are very unpalatable, Some are quite bitter for humans. Some are too hard to eat and indigestible. That is the defense mechanism of some plants to ensure survival of their species.

We do eat the seeds of watermelon, melon, pumpkin etc. The thin seed shell is split open - the kernel is eaten and the shell discarded.

Answer 2

Explanation:

Inedible seeds refer to seeds of certain fruits like watermelons apples, citrus ones like oranges and lemon, mango, and apart from fruit seeds, seeds of plants like castor are also there. Mainly these are not eaten because most of them contain poison.

Of the six major plant parts, seeds are the dominant source of human calories and protein. A wide variety of plant species provide edible seeds; most are angiosperms, while a few are gymnosperms. As a global food source, the most important edible seeds by weight are cereals, followed by legumes, nuts, then spices.

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