VP #2: Photosynthesis

What special ability do plants have that helps them make their own food?

• Breathing underwater

• Photosynthesis

• Walking up walls

• Flying

White light is a combination of waves with

• a single color of light
• no wavelengths at all
• only one wavelength
• different wavelengths of light

Chlorophyll absorbs ______ and ______ but reflects _________ light.

• yellow, blue, red
• green, yellow, blue
• red, green, yellow
• blue, red, green

What is a product of the light dependent reactions?

• Glucose and carbon dioxide
• Water and chlorophyll
• Fats and proteins
• ATP, NADPH, and oxygen

What is the main pigment used by plants to capture light?

• Chlorophyll

• Hemoglobin

• Melanin

• Carotene

Where do the light-dependent reactions of photosynthesis occur?

• In the mitochondria

• In the nucleus

• In the thylakoids

• In the roots

What is the role of stomata in photosynthesis?

• To store water

• To absorb sunlight

• To take in carbon dioxide

• To release oxygen

What are some adaptations in plants that help them with phoyosynthesis?

• Deep roots for water absorption
• Thorns for protection
• Brightly colored flowers for attraction
• Broad leaves, chlorophyll, stomata, and vascular systems.

How do cacti adapt to perform photosynthesis in hot environments?

• By growing taller

• By opening stomata during the day

• By storing water in leaves

• By opening stomata at night