When green algae are illuminated,motile aerobic bacteria usually accumulate near them. This is because,bacteria

  • A
    Have attraction for light
  • B
    Have attraction for green plants
  • C
    Have attraction for oxygen
  • D
    Have attraction for $CO_2$

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Similar Questions

What is the unique process which has supported life on this planet?

Assertion $:-$ There is not a complete one-to-one overlap between the absorption spectrum of chlorophyll $a$ and the action spectrum of photosynthesis.
Reason $:$ Most of the photosynthesis takes place in the blue and red regions of the spectrum,but some photosynthesis does take place at the other wavelengths of the visible spectrum.

The phenomenon which converts light energy into chemical energy is:

$A -$ Productivity of $C_3$ plants is higher than $C_4$ plants.
$R -$ Photorespiration occurs in $C_3$ plants.

Which one of the following categories of organisms does not evolve oxygen during photosynthesis?

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