Class XI

Accessory pigments protect plants from
  1. Photorespiration
  2. Photosynthesis
  3. Photosystem
  4. Photo-oxidation
Which form of carbon is absorbed by the hydrophytes through their general body surface?
  1. Bicarbonates
  2. Calcium hydrogen carbonate
  3. Carbonates
  4. Hydrogen carbonates
In Bacterial photosynthesis, hydrogen donar is
  1. O2
  2. CO2
  3. H2O
  4. H2S
The first product of photosynthesis is sugar and it is converted
  1. Protein
  2. Starch
  3. Glycogen
  4. Ammonia
Electrons from exited chlorophyll molecules of photosystem II are accepted first by
  1. Quinone
  2. Cytochrome f
  3. Cytochrome b
  4. Ferredoxin
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