7th-8th Grade Ch. 13-14 Review, Part 1 Question Preview (ID: 35909)
Plant Processes And Reproduction.
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_______________ occurs when water vapor passes out of the leaf through the stomata.
a) Vaporization
b) Transpiration
c) Evaporation
d) Condensation
Exchange of gases in the woody areas of plants takes place through tiny opening in the park called.
a) stomata
b) gills
c) lenticels
d) veins
The tiny extensions in the epidermis cells of the root that help them to absorb water are called ______.
a) root hairs.
b) guard cells.
c) chloroplasts.
d) cuticles.
During photosynthesis, the gas ___________ must enter the leaf from the atmosphere.
a) nitrogen
b) oxygen
c) carbon monoxide
d) carbon dioxide
Plant hormones are used for ______.
a) controlling fruit ripening.
b) root cuttings.
c) killing weeds.
d) all of the above
Which of the following is not found in roots?
a) root hairs
b) spongy layer
c) xylem
d) epidermis
Which of these sets of terms give the proper order for the movement of water through a plant?
a) root hair, stomata, root, xylem
b) xylem, root hair, root, stomata
c) xylem, stomata, root hair, root
d) root hair, root, xylem, stomata
If a plant's guard cells malfunction, ______.
a) the plant might suffer excessive water loss.
b) root hairs might fall off.
c) too much auxin might be produced.
d) all of the above
Which cells regulate the size of the stomata?
a) xylem
b) cork cells
c) guard cells
d) root hairs
Which of the following is made up of tall, thin, closely packed cells and is under the upper epidermis?
a) stomata
b) palisade layer
c) spongy layer
d) phloem
True or False: Plants can move.
a) True
b) False
c) Spring
d) Break
True or False: Plants store energy only as starch.
a) True
b) False
c) Spring
d) Break
True or False: Nearly all plant cells carry on aerobic cellular respiration.
a) True
b) False
c) Spring
d) Break
True or False: A plant's stem exhibits negative gravitropism.
a) True
b) False
c) Spring
d) Break
True or False: Phytochrome is associated with tropisms.
a) True
b) False
c) Spring
d) Break
True or False: The vascular cambium is a growth region in plants.
a) True
b) False
c) Spring
d) Break
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