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What is the primary purpose of photosynthesis?

• To absorb water

• To break down food

• To produce oxygen

• To create energy for plants

In which organelle does photosynthesis take place?

• Ribosome

• Chloroplast

• Nucleus

• Mitochondria

What are the two main stages of photosynthesis?

• Transpiration and respiration

• Electron transport chain and fermentation

• Glycolysis and Krebs cycle

• Light-dependent reactions and the Calvin cycle

What pigment absorbs light energy for photosynthesis?

• Chlorophyll

• Keratin

• Hemoglobin

• Melanin

Which gas is used by plants during photosynthesis?

• Hydrogen

• Nitrogen

• Carbon dioxide

• Oxygen

The largest planet in our solar system is (a)   .

The Sun is classified as a (a)   type star.

The Earth's natural satellite is called the (a)   .

The galaxy that contains our solar system is called the (a)   .

A meteoroid that reaches Earth's surface without burning up completely is called a (a)   .