GRADE 7 - MST 2 REVEIW

Glucose is first formed from ... during photosynthesis

• water

• oxygen

• carbon dioxide

• photosynthesis

When glucose is formed more quickly than it it used up, the excess glucose is changed to ... for storage

• starch

• carbon dioxide

• oxygen

• glucose

What are the essential substance needed for plant to absorb the light.

• photosynthesis

• chlorophyll

• stomata

• glucose

If there is no glucose, there will be no ... on the ...

• starch, stem

• starch, leaves

• glucose, leaves

• glucose, stem

The process of photosynthesis is ...

• C₆H₁₂O_{6 +} O_{2 -->} H₂O + CO₂

• H₂O + CO_{2 -->} C₆H₁₂O_{6 +} O₂

• C₆H₁₂O₆ --> H₂O + CO₂

• H₂O + CO₂ --> C₆H₁₂O₆

The rate of photosynthesis is affected by the external factors, except ...

• light intensity

• temperature

• soil

• carbon dioxide

Any factor that directly affects the rate of of chemical reaction called...

• photosynthesis

• limiting factor

• light intensity

• starch

Glucose is converted to ... except ...

• oxygen

• sucrose

• starch

• back to glucose

These are the important of photosynthesis, except ...

• makes chemical energy available to animals

• removes carbon dioxide

• stored in fossil fuels

• removes oxygen

Amino acids in leaves used to form ...

• chlorophyll

• proteins

• fats

• carbon dioxide