A) Hydrilla plant is used in an experiment commonly performed in laboratory in demonstrate evolution of \[{{O}_{2}}\] in photosynthesis
B) Cytochrome proteins serving as electron carriers in photosynthesis and other oxidative reduction reactions.
C) In angiosperms, synthesis of chlorophyll occurs in presence of light.
D) The plants growing in dark show yellowing in leaves and elongated internodes, this condition is called as dark effect.
Correct Answer: D
Solution :
The plants growing in dark show yellowing in leaves and elongated internodes, this condition is called as etiolating. In etiolating, chlorophyll converts in proto chlorophyll (yellow) in dark, toiling hormone is formed due to which plants become elongated. \[\underset{Green}{\mathop{Chlorophyll}}\, \xrightarrow[Light]{Dark}\,\,\underset{Yellow}{\mathop{Protochlorophyll}}\,\,\,+\, 2H\]
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