Class XI

Name the photosynthetic pigment which can be converted to Vitamin A?
  1. Alpha-carotenes
  2. Alpha-corticoids
  3. Beta-corticoids
  4. Beta-carotenes
Solarisation is
  1. Utilisation of sunlight
  2. Effect of solar light
  3. Destruction of chlorophyll
  4. Formation of chlorophyll
Melvin Calvin use of radioactive 14C14C in
  1. All of the above
  2. Algal photosynthesis
  3. Bacterial photosynthesis
  4. Plant photosynthesis
The first product of photosynthesis is sugar and it is converted
  1. Protein
  2. Starch
  3. Glycogen
  4. Ammonia
The essential role of air in the growth of green plants is given by
  1. Julis von sach
  2. Joseph Priestly
  3. Engelmann
  4. Cornelius van niel
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