Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 30, Problem 11SQ
Summary Introduction
Concept introduction: The minute openings found in the outer layer (epidermis) of stems, leaves, and other organs in a plant body are called stomata. The size of stomatal opening is regulated by a pair of particular parenchymal cells known as guard cells. Gaseous exchange during photosynthesis and water loss during transpiration is mainly through these openings.
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The epidermis___________.
a. Is made of lignified cells that created a protective layer over the surface of a plant
b. Expands throughout secondary growth
c. Generates all trichomes
d. Prevents gas and water exchange with the environment
The protective layer of cells found on leaf’s upper and lower surfaces is known as the __________.
Select one:
a.
chloroplast
b.
stomate
c.
Cutin
d.
epidermis
e.
none of the listed choices
f.
fiber sheath
g.
cuticle
h.
mesophyll
Closed stomata______ . a. limit gas exchange c. prevent photosynthesis b. permit water loss d. absorb light
Chapter 30 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Prob. 4DAACh. 30 - Prob. 1SQCh. 30 - Prob. 2SQCh. 30 - Prob. 3SQCh. 30 - _______ is the hormone in most rooting compounds....Ch. 30 - Prob. 5SQCh. 30 - Prob. 6SQ
Ch. 30 - Prob. 7SQCh. 30 - Ethylene differs from other hormones in that it...Ch. 30 - Prob. 9SQCh. 30 - Prob. 10SQCh. 30 - Prob. 11SQCh. 30 - Prob. 12SQCh. 30 - Match the hormone with the description. _____...Ch. 30 - Prob. 14SQCh. 30 - Prob. 15SQCh. 30 - Professional gardeners often soak seeds in...Ch. 30 - Photosynthesis sustains plant growth, and inputs...Ch. 30 - Prob. 3CTCh. 30 - Cattle in industrial dairy farms are typically...Ch. 30 - The oat coleoptiles on the left have been...
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- Cells of the ________ contain chloroplasts. a. epidermis b. vascular tissue c. stomata d. mesophyllarrow_forwardWith stomata closed, a waterproof cuticle______ . a. minimizes water loss through plant surfaces b. permits gas exchange between the plant and the air c. both a and barrow_forwardThe first formed primary xylemelements are called ___________.A. MetaxylemB. ProtoxylemC. Xylem fibresD. Xylemp arenchymaarrow_forward
- In plants, fibers are a type of______ cell. a. parenchyma c. collenchyma b. sclerenchyma d. mesophyllarrow_forward. Which of the following is not a typical plant response to oxygen deficit due to flooding? * A. Aerenchyma formation B. Hyponastic growth of submerged leaves C. Stomatal closure D. Induction of anaerobic stress proteinsarrow_forwardThe ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermis d. root caparrow_forward
- The primary growth of a plant is due to the action of the ________. a. lateral meristem b. vascular cambium c. apical meristem d. cork cambiumarrow_forwardPlant regions of continuous growth are made up of ________. a. dermal tissue b. vascular tissue c. meristematic tissue d. permanent tissuearrow_forwardAll other factors being equal, tiny hairs near the stomata will _______ transpiration. All other factors being equal, an increase in wind speed will _______ transpiration. Select one: a. decrease, decrease b. increase, decrease c. increase, increase d. decrease, increasearrow_forward
- The stalk of a leaf is known as the ________. a. petiole b. lamina c. stipule d. rachisarrow_forwardThrough mycorrhization, a plant obtains important nutrients such as ________. a. phosphorus, zinc, and copper b. phosphorus, zinc, and calcium c. nickel, calcium, and zinc d. all of the abovearrow_forwardThe activity of lateral meristems_____ older roots and stems. a. lengthens b. thickens c. both a and barrow_forward
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