A) proteins in pea absorb water
B) hard coat of paddy prevents water absorption
C) wall of paddy is impermeable to water
D) osmotic potential of pea seeds is more than that of paddy
Correct Answer: D
Solution :
Pea seed absorbs more water than paddy and swell up because of osmotic potential of pea seeds than paddy. Osmotic potential is the potential of water molecules to move from a hypotonic solution to a hypertonic solution across a semipermeable membrane. Pea seeds are proteineous so they are permeable to water whereas paddy are starch (cellulase) which makes it impermeable to water.
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