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JIPMER 2005
Exam
JIPMER
Year
2005
Subject
Botany
Chapter
Plant - Growth and Development

JIPMER 2005 · Botany · Plant - Growth and Development

The form of pigment which inhibits germination is

The form of pigment which inhibits germination is

Options

  1. AP760\mathrm{P}_{760}
  2. BP730\mathrm{P}_{730}
  3. CP650\mathrm{P}_{650}
  4. DAll of these

Correct answer

B. P730\mathrm{P}_{730}

Step-by-step solution

The seed germination is promoted by red wavelength (650 nm) and inhibited by far red (730 nm),thisisdue(730 \mathrm{~nm}), this is due to the pigment phytochrome behaving in the following manner. Red λ⟶ No germination \begin{aligned} &\text{ Red } \lambda \longrightarrow \text{ No germination } \\ & \end{aligned}
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