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WorksheetsGrade 7 Biology chapter 4
Total questions: 18
Worksheet time: 9mins
2. What pigment captures/absorbs sunlight?
chloroplast
chlorophyll
xanthines
3. What is the tiny openings that let in the carbon dioxide needed for photosynthesis?
pores
stomata
guard pores
4. What is not the main purpose of photosynthesis?
to make food
to make oxygen
to make cells
8. Stomata is present on the ................. surface of the leaf
lower
upper
middle
10. What is the source of energy for plant photosynthesis?
sun
water
carbon dioxide
When we say a process requires oxygen, we call it what?
Anaerobic
Aerobic
Oxyphillic
Oxygenphilia
When we say a process that does not require oxygen, we call it what?
Anaerobic
Aerobic
Oxyphillic
Oxygenphilia
True or False: An anaerobic process is one that does not require oxygen to take place.
True
False
Which of the following is a reactant of cellular respiration?
Oxygen
Carbon Dioxide
Glucose
Glucose and Oxygen
Where do the reactions of cellular respiration occur?
Thylakoid & Stroma
Cytoplasm & Mitochondria
Mitochondria only
None of these
2. What pigment captures/absorbs sunlight?
chloroplast
chlorophyll
xanthines
4. What is not the main purpose of photosynthesis?
to make food
to make oxygen
to make cells
5. Which product is "waste" and mostly released by the producer (plant)?
oxygen
nitrogen
water vapour
7. Carbohydrates are stored in plants as
fructose
starch
maltose
