alleryStart learning →The oxygen set free during photosynthesis comes from the splitting of which substance?
ACarbon dioxide gas
BGlucose sugar
CWater molecules
DStarch grains
Answer & Solution
Correct answer: C. Water molecules
Oxygen is a by-product of water splitting, not of carbon dioxide or sugar.
Keep practising Nutrition in plants and animals
Browse all Nutrition in plants and animals questions for Olympiad (Class 7), or explore more Science topics.
Related questions
Digestion of which nutrient gives amino acids?During digestion, fats are finally broken into glycerol andA lion eats a deer that eats grass. Which of these is the autotroph?Which pair are both chemoheterotrophs?Chlorophyll is held inside which cell parts, abundant in leaf cells?Chitinases in a carnivorous plant's digestive fluid partly destroy an insect'sWhich trait is not needed for a plant to count as carnivorous?Which of these plants catches prey with a snap trap?