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- 1. Multiple Choice
Which of the following raw materials are important for photosynthesis to take place?
Carbon dioxide
Oxygen
Hydrogen sulphide
- 2. Multiple Choice
Which of the following will trap sunlight in plants?
water
lignin
chlorophyll
- 3. Multiple Choice
Who demonstrated that Plants restore to air whatever breathing animals and burning candles remove?
Joseph Priestley
Jan Ingenhousz
Julius Von Sachs
- 4. Multiple Choice
Jan Ingenhousz showed that in sunlight, green parts of plants produced _________bubbles
soap
nitrogen
oxygen
- 5. Multiple Choice
According to Julius Von Sachs, glucose is made in green parts of plants and is stored as ____________
starch
fructose
glycogen
- 6. Multiple Choice
TW Engelmann, using prism split light into its spectral components and illuminated the cladophora algae present in a suspension pf aerobic bacteria. He observed that bacteria accumulated around _______and ________regions of spectrum.
violet and green
yellow and green
blue and red
- 7. Multiple Choice
Cornelius Van Niel used ___________bacteria to conclude that oxygen in green plants comes from water and not from carbondioxide
Purple and green sulphur bacteria
curd bacteria
typhoid bacteria
- 8. Multiple Choice
The organisms that undergo photosynthesis are called
saprophytes
parasites
autotrophs
- 9. Multiple Choice
Chlorophyll is present in
Mitochondria
lysosomes
chloroplasts
- 10. Multiple Choice
Within the chloroplasts the light energy is trapped in
membranes
stroma
ribosomes
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