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Jugar Froggy Jumps
1. The products of photosynthesis are
A
water and carbon dioxide.
B
sugar and water.
C
2. Where does most of a plant's biomass come from?
A
from the soil
B
from carbon dioxide from the air and water from the soil
C
from water
3. At midday, what is happening in the leaf of a plant?
A
Mainly photosynthesis and some respiration
B
None of the above
C
Photosynthesis
4. At midnight, what is happening in the leaf of a plant?
A
Photosynthesis and respiration
B
Respiration
C
Oxigen
5. In which organisms does photosynthesis happen?
A
animal
B
plants
C
glucose
6. Which of the following need oxygen to survive?
A
None of the above
B
plants and animals
C
water
7. Thinking about photosynthesis and respiration in plants, which statement is correct:
A
Only photosynthesis occurs in plants
B
Photosynthesis and respiration both occur in plants
C
Photosynthesis is the opposite of respiration
8. The gas evolved in bubbling pond weed in the light is:
A
air enriched with O2 plus CO2 and N2
B
pure oxygen
C
none of the above
9. Stratospheric Ozone is thinning and a “hole” occurs over Antarctica, which:
A
allows dangerous uv radiation to penetrate causing cancer and blindness in animals
B
is caused by CO2 emissions
C
causes global warming by increasing radiation absorbed from sunlight