7th grade-Chapter 2 - Plant Processes and Reproduction

In which part of a plant leaf does most photosynthesis occur?

• the stomata

• the cuticle

• the vascular tissue

• the chloroplasts

During cellular respiration, your body breaks down glucose and releases ________________.

• oxygen

• ATP

• hydrogen

• chlorophyll

During photosynthesis, chlorophyll absorbs_______________.

• light energy

• carbon dioxide

• water

• glucose

During photosynthesis, chlorophyll absorbs_______________.

• light energy

• carbon dioxide

• water

• glucose

Water travels from the roots of a plant to its stems and leaves through _____________ cells.

• phloem

• xylem

• chloroplasts

• mitochondria

Gases such as oxygen and carbon dioxide move through openings in the leaves called _____________.

• xylem

• phloem

• stomata

• chloroplasts

Sugars travel from the leaves to the rest of the plant through ____________ cells.

• chloroplasts

• xylem

• mitochondria

• phloem

Respiration requires _________________ gas, a waste given off during photosynthesis.

• carbon dioxide ( CO²)

• Oxygen

• helium

• water vapor

Plants use light-energy, water, and carbon dioxide to make ________________, during photosynthesis.

• sugar

• glucose

• chlorophyll

• ATP

Respiration occurs in the cytoplasm and ___________________.

• mitochondria

• chloroplasts

• chloryphyll

• xylem