Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 30, Problem 2A
How could a plant without roots obtain sufficient nutrients from the soil?
a. It cannot: all land plants have roots.
b. Mycorrhizal
c. Charophytes associate with the plant and assist with the transfer of nutrients
d. It relies on its xylem in the absence of a root.
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What is the function of xylem vessels?
A. composed of dead lignified cells connected end to end
B. allows the transport of water and minerals in the upward direction
C. carries the products of photosynthesis in a bidirectional movement
D. composed of sieve tubes that are closely associated with companion cells to facilitate movement of materials
Which structure or compartment is part of the symplast?(A) the interior of a vessel element(B) the interior of a sieve tube(C) the cell wall of a mesophyll cell(D) an extracellular air space
Which cells are responsible for the movement of photosynthates through a plant? a. tracheids, vessel elements b. tracheids, companion cells c. vessel elements, companion cells d. sieve-tube elements, companion cells
Chapter 30 Solutions
Biology
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- Rootsa. are the primary site of photosynthesis.b. give rise to new leaves and flowers.c. have a thick cuticle to protect the epidermis.d. absorb water and nutrients.e. contain spores.arrow_forwardThis is an example of? a.) fibrous roots b.) tap roots c.) adventitious roots d.) prop rootsarrow_forwardGuttation in plants is due to condensation of water vapor and occurs through the hydathodes. D. Disagree, because guttation occurs through the stomates. A. Agree, because guttation occurs through the hydathodes. B. Disagree, because it is root pressure that causes guttation. C. Agree, because during night time, water condenses due to drop in temperature.arrow_forward
- What feature did terrestrial plants acquire in order to adapt to life on land to transport materials throughout their bodies? a a vascular system b seeds c lignin d stomataarrow_forwardPrimary phloem develops from: A. lateral meristem B. protoderm C. extrastelar cambium D. provascular tissuearrow_forwardThis picture is an example of? a.) tap roots b.) fibrous roots c.) adventitious roots d.) prop rootsarrow_forward
- When dig up a plan to move it from one spot to another,the plants is more likely to survive if some of the soil around the roots is transferred to the new location along with the plant.Make a hypothesis that explains this observation.arrow_forwardWhat do you think is the reason why some roots develop under the leaves?arrow_forwardWhich of the following is an adaptation thatenhances the uptake of water and minerals byroots?(A) mycorrhizae(B) pumping through plasmodesmata(C) active uptake by vessel elements(D) rhythmic contractions by cells in the root cortexarrow_forward
- Potato is a modified form (outgrowth) of: A. root B. stem C. fruit D. leafarrow_forwarda. Describe the function of plant roots. b) Describe the function of plant shoots. c)What is the function of lignin in terrestrial plants? d)What are xylem and phloem and how do they differ? e)Exactly what is pollen? f)Exacly what is a seed?arrow_forwardThe waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusarrow_forward
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