Navigate

The wavelength of light absorbed by Pr form of photochrome is

The wavelength of light absorbed by Pr form of phytochrome is

Options

(a) 680 nm
(b) 720 nm
(c) 620 nm
(d) 640 nm

Correct Answer:

680 nm

Explanation:

The Pr form absorbs light between 660 to 680 nm and absorbs at a peak of 666 nm. It is the form synthesized in dark-grown seedlings. When Pr absorbs red light, it is converted to the Pfr form.

AIPMT2007
admin:

Related Questions

  1. The matrix of bone and cartilage can be distinguished by the presence of
  2. In the ear of man, the perilymph passes from middle to inner ear through
  3. Which enzyme is used as ‘molecular scissor’ in genetic engineering?
  4. The possible blood groups of children born to parents having A and AB groups are
  5. GnRH a hypothalamic hormone needed in reproduction acts on