Plant Science: Stems

What modified stem type grows horizontally along the soil surface?

• Rhizome

• Tuber

• Stolon

• Bulb

Which of the following is an example of a thorn stem?

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Which part of the vascular system moves water, dissolved nutrients, amino acids, proteins and remobilized sugars from roots to aerial portions of the plants?

• Xylem

• Phloem

• Cuticle

• Epidermis

Which part of the vascular system moves nutrients such as soluble sugars, proteins, hormones, and dissolved minerals and salts from leaves to other portions of the plant?

• Spongy mesophyll cells

• Phloem

• Upper Layer

• Xylem

Which of the following is an example of a bulb stem?

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Is the xylem vessel a one-way or two way flow system?

• One-way

• Two-way

Is the phloem vessel a one-way or two-way flow system?

• Two-way

• One-way

Which of the following is an example of a corm stem?

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True or False - The xylem vessel has end walls between cells.

• True

• False

Which stem type is very strong and not easily bendable?

• Woody

• Herbaceous