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Question: Answered & Verified by Expert
The form of pigment which inhibits germination is
BiologyPlant - Growth and DevelopmentJIPMERJIPMER 2005
Options:
  • A $\mathrm{P}_{760}$
  • B $\mathrm{P}_{730}$
  • C $\mathrm{P}_{650}$
  • D All of these
Solution:
1977 Upvotes Verified Answer
The correct answer is: $\mathrm{P}_{730}$
The seed germination is promoted by red wavelength (650 nm) and inhibited by far red $(730 \mathrm{~nm}$), this is due to the pigment phytochrome behaving in the following manner.
$\begin{aligned} & \text { Red } \lambda \longrightarrow \text { No germination } \\ & \end{aligned}$

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