PTS GRADE 9 (Plant growth and Ecology)

Where in a green leaf will glucose (a carbohydrate) be made?

• Cell membrane
• Cell wall
• Chloroplasts
• Sap vacuole

What are the products of photosynthesis?

• Glucose & Oxygen
• Water & Oxygen
• Carbon dioxide & Water
• Glucose & Carbon dioxide

Pigment in green plants that captures the energy in sunlight is called __________.

• pigment

• chlorophyll

• stomata

• green thing

which of the following is the correct equation for photosynthesis?

• CO2+light+H2O=O2+Sugar

• CO2+sugar+H2O= O2+light

• O2+light+H2O=CO2

  + Sugar

• CO2+O2+H2O= Light+Sugar

The main source of energy for all life comes from ________

• the Earth

• the Moon

• the Sun

• the food we eat/make

What are the reactants of photosynthesis?

• carbon dioxide and oxygen

• water and oxygen

• carbon dioxide and water

• water and glucose

 

This is the chemical formula for a molecule of...

• oxygen

• carbon dioxide

• Glucose

• Water

What is the purpose of photosynthesis?

• to release energy

• to create glucose

• to grow

• To get oxygen for respiration

Where in a plant cell does photosynthesis take place

• Palisade cells

• Chlorophyll

• Chloroplasts

• Vacuole

Which choice correctly shows the gases that enter and exit plants during photosynthesis?

• Enter: Oxygen
  Exit: Carbon dioxide
• Enter: Water vapor
  Exit: Glucose
• Enter: Carbon dioxide
  Exit: Oxygen
• Enter: Light
  Exit: Water vapor