NEET 1994 · Class 11

Photosynthesis in Higher Plants

Which of the following pigments acts as a reaction-centre during photosynthesis?

  1. (A)Carotene
  2. (B)Phytochrome
  3. (C)P700
  4. (D)Cytochrome

The NCERT line that answers it

Verbatim line

Simultaneously, electrons in the reaction centre of PS I are also excited when they receive red light of wavelength 700 nm and are transferred to another acceptor molecule that has a greater redox potential.

Chapter
Photosynthesis in Higher Plants
Section
11.6 THE ELECTRON TRANSPORT
Page
8
Words matched
26 of 34

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

5714, emb=0.9578, combined=0.8032). Verified: high — The span explicitly states that the reaction centre of PS I receives red light of wavelength 700 nm, which directly identifies P700 as the reaction-centre pigment during photosynthesis.

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