<LCPO> BIOLOGY
12th Edition
ISBN: 9781266216398
Author: Raven
Publisher: MCG CUSTOM
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Chapter 38, Problem 3U
Summary Introduction
Introduction:
The dermal tissue in the plants acts as the first line of defense. The wax secreted by the epidermal cells protects the surface of the plant from the attacks and water loss. The other dermal tissue defense systems are thorns, bark, trichomes, and silica inclusions.
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Some plants are recognized by fungal pathogens on the basis of their stomatal pores. Which of the following would provide these plants immunity from fungal infection?
a. Removing all of the stomata from the plant
b. Changing the spacing of stomatal pores in these plants
c. Reinforcing the cell wall in the guard cells of stomatal pores
d. Increasing the number of trichomes on the surfaces
Which of the following plant hormones is produced in the root meristems, travel upward and in higher concentration counter the apical dominance caused by ____________?
a. Gibberellins
b. Ethylene
c. Cytokinin
d. Abscisic acid
The ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermis d. root cap
Chapter 38 Solutions
<LCPO> BIOLOGY
Ch. 38.1 - Identify the compounds produced by the epidermis...Ch. 38.1 - Prob. 2LOCh. 38.1 - Prob. 3LOCh. 38.2 - Describe the role of secondary metabolites in...Ch. 38.2 - Prob. 2LOCh. 38.2 - Prob. 3LOCh. 38.3 - Prob. 1LOCh. 38.3 - Prob. 2LOCh. 38.4 - Prob. 1LOCh. 38.4 - Prob. 2LO
Ch. 38.4 - Prob. 3LOCh. 38 - Prob. 1IQCh. 38 - Nonnative invasive species are often a threat to...Ch. 38 - Prob. 2UCh. 38 - Prob. 3UCh. 38 - Prob. 4UCh. 38 - Prob. 5UCh. 38 - In response to wounding, a tomato plant first...Ch. 38 - When a cell undergoes a hypersensitive response,...Ch. 38 - The wound response products that bind to digestive...Ch. 38 - If a plant has been attacked by a pathogen, then...Ch. 38 - Prob. 1ACh. 38 - Both plant and animal immune systems can a....Ch. 38 - Your friend informs you that it is highly likely...Ch. 38 - Prob. 4ACh. 38 - You decide to plant a garden with a beautiful...Ch. 38 - Prob. 6ACh. 38 - Prob. 1SCh. 38 - Parasitoid wasps seem like an effective method to...Ch. 38 - Prob. 3S
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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 environmentarrow_forwardWhich of the given plant hormone will be more abundant in dormant buds and seeds? a.Gibberellin b.ABA c.Ethylene d.Auxinarrow_forwardGaseous hormones are able to enter cells without requiring specialmembrane transporter. Which of the major plant hormones is adiffusible gas?a. auxin b. gibberellin c. cytokinin d. ethylene e. abscisic acidarrow_forward
- The seed coat forms from the______ . a. integuments c. endosperm b. coleoptile d. sepalsarrow_forwardPruning plants can promote lateral stems and increased plant biomass by _____________. Select one: a. suppressing cytokinin transport b. suppressing auxin transport c. promoting cytokinin transport d. promoting auxin transportarrow_forwardWhen a plant is transplanted or reported ,it will often show signs of water stress , such as wilting . Can you explain how this relates to root hairs ?arrow_forward
- The activity of lateral meristems_____ older roots and stems. a. lengthens b. thickens c. both a and barrow_forwardSecondary growth in stems is usually seen in ________. a. monocots b. dicots c. both monocots and dicots d. neither monocots nor dicotsarrow_forwardThe first formed primary xylemelements are called ___________.A. MetaxylemB. ProtoxylemC. Xylem fibresD. Xylemp arenchymaarrow_forward
- Vertical elongated cells of the xylem (such as tracheids or vessels) are developed from a. cortex O b. C. ray initials fusiform initialsarrow_forwardIdentify the wrong match a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin induces and Cytokinin counteracts c.Dormancy — Both ethylene and GA break it d.Callus differentiation — Auxin and cytokininsarrow_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_forward
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