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Seed coat is not thin, membranous in
(4) coconut.
⇒ In maize, the seed coat is thin and membranous and is fused with the fruit wall.
⇒ In gram and groundnut, the seed coat (testa) is a thin, papery membrane around the cotyledons.
⇒ In coconut, the seed coat is not a thin membrane; the seed lies inside the hard, stony endocarp of the drupe.
∴ Seed coat is not thin, membranous in coconut.
Answer: (4)
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