1.4: Parts of Plants and their Functions

What is the primary function of leaves in most plants?

• Absorbing water from the soil

• Photosynthesis

• Transporting nutrients

• Storing food

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DOK Level 2: Skill/Concept

Which part of the plant is responsible for anchoring it to the ground?

• Leaves

• Stems

• Roots

• Flowers

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DOK Level 2: Skill/Concept

What is the main function of the tissues in the stem of the plant?

• To absorb sunlight

• To transport water and nutrients

• To produce seeds

• To perform photosynthesis

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DOK Level 2: Skill/Concept

Which structure within the plant cell is responsible for photosynthesis?

• Vacuole

• Chloroplast

• Nucleus

• Mitochondria

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DOK Level 2: Skill/Concept

What is the role of xylem in plants?

• Transporting food

• Transporting water and minerals

• Storing energy

• Protecting the plant

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DOK Level 2: Skill/Concept

Which plant tissue is responsible for transporting sugars and other metabolic products downward from the leaves?

• Xylem

• Phloem

• Epidermis

• Cortex

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DOK Level 2: Skill/Concept

What is turgor pressure, and why is it important for plants?

• It is the pressure of water inside the vacuole, important for maintaining plant rigidity.

• It is the pressure of air inside the leaves, important for photosynthesis.

• It is the pressure of nutrients in the soil, important for plant growth.

• It is the pressure of sunlight on the leaves, important for energy production.

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DOK Level 2: Skill/Concept

What is the function of the vacuole in plant cells?

• To store water waste and maintain cell pressure

• To produce energy

• To control cell activities

• To transport nutrients

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DOK Level 2: Skill/Concept

Which part of the plant cell provides structural support and protection?

• Cell membrane

• Cell wall

• Cytoplasm

• Nucleus

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What is the function of stomata in plant leaves?

• To absorb nutrients from the soil

• To exchange gases with the environment

• To transport water throughout the plant

• To store energy

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DOK Level 2: Skill/Concept