WorksheetsPhotosynthesis
Total questions: 10
Worksheet time: 4mins
Discovered oxygen
Jan Ingenhouz
Joseph Priestley
Aristotle
Julius Von Sachs
Required for photosynthesis
Carbon dioxide
Water
Sunlight
Oxygen
Chlorophyll
Oxygen released in photosynthesis is from
(a)
The site of photosynthesis is
Nucleus
Mitochondria
Golgi body
Chloroplast
Reagent used to test presence of starch is
Potassium hydroxide
Hydrogen peroxide
Iodine solution
The gas given out during photosynthesis by plants
Oxygen
Carbon dioxide
Chlorine gas
Carbon monoxide
If a plant is kept in dark for long time
No photosynthesis takes place
Starch present in plant is used up slowly
Plant will eventually die
No change is seen
A burning splinter burns brightly in this gas
Carbon dioxide
Nitrogen
Hydrogen
Oxygen
Exchange of gases takes place in plant through
(a)
Presence of starch is indicated by this color
Red
Blue black
Yellowish brown
Pink
