EBK BIOLOGY
5th Edition
ISBN: 8220101337627
Author: Maier
Publisher: PEARSON
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Question
Chapter 24, Problem 2AAATB
Summary Introduction
To write:
The reason for the bushy appearance of houseplants when the primary growing tip is cut off.
Introduction:
Growth in plants is affected by factors like the type of soil, availability of light and the length of growing season. The increase in the length of the shoots and roots of plants is known as primary growth. This growth occurs due to the cell division in the apical meristem of the shoot.
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Check out a sample textbook solutionStudents have asked these similar questions
Plant roots develop differently from plant shoots during primary growth. Explain:
How is the formation of lateral roots different from making new branches on shoots?
Why don't roots and shoots generate new primary growth the same way?
The horsetails are
special, in a way, due to their secondary xylem.
Select the correct response:
True
False
What is the difference between the apical meristem and lateral meristem?
shoot apical
meristems
lateral meristems
root apical
meristems
Apical meristemic tissue is responsible for primary growth at the root and shoot
tips. Lateral meristemic tissue is responsible for secondary growth with an
increase in diameter of the stem.
Apical meristemic tissue is responsible for secondary growth with an increase in
diameter of the stem. Lateral meristemic tissue is responsible for primary growth
at the root and shoot tips.
Lateral meristematic tissue is only found in annual plants.
O Apical meristemic tissue is only found in woody plants.
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- Shooting is preferred to regenerate first than rooting. Why?arrow_forwardEngineers have designed a smaller version of such a container that can be used to seal off a small part of the plant. One version of this device, called a leaf chamber, is shown below. When a scientist uses this device on a plant, they don’t need to break the leaves off the branch or stem they are attached to. The leaf chamber makes an airtight seal around the stem or branch even though it is sticking out of the chamber. Using this device, scientists detected the most change in O2 and CO2 levels inside the chamber when a leaf is in the chamber. They only detected a small change in O2 and CO2 levels in the chamber when a green stem was placed in the chamber. No change was detected when a root or a brown stem was placed in the chamber. Why do you think a scientist would prefer not to remove the leaves from a tree or a plant in order to take these sorts of measurements?arrow_forwardExplain why the student added glucose solution to each Petri dish.arrow_forward
- Owners and managers of plant nurseries have to plan lighting schedules for a long-day plant that will flower in February. What lighting periods will be most effective? What color of light should be chosen?arrow_forwardtwo leaves A and B, each having the petiole in a closed test tube full of water. Each is hung on a spring balance. Leaf A has a waxy cuticle on the upper epidermis and stomata on the lower epidermis. Leaf B a waxy cuticle on the upper epidermis and a lower epidermis covered with petroleum jelly. Both leaves were cut from the same plant. i)Explain why it is important for the leaves to be cut from the same plant. (ii) List TWO variabes that must be kept constant in this investigation. iii) Table 6 shows the results obtained in the experiment: leaf and test tube weight final weight change in weight A 40.7 39.9 0.8 B 38.7 38.7 0.0 Explain why the weight of set up A, decreased. iv) Using your biological knowledge, indicate how results will change, if a fan is switched on near the experimental set up. Explain your answer.arrow_forward#12 Complete the sentences about primary growth. (In the first blank select the best number that completes the sentances... in the second blank select the best letter that completes the sentance) Primary growth happens NUMBER 1 or 2 plants, and allows the plant to grow LETTER A or B 1. at the immature tips of 2. in mature regions of ----------------------- A. Taller b. Thickerarrow_forward
- If the shoot apical meristem gets broken off due to bad weather or damage, what type of tree growth you expect to observe in the immediate future? The tree would grow wider instead of taller. The tree would not show any growth but would stay healthy and alive. The tree roots would grow deeper within the soil, but no growth would occur above ground. The tree would grow taller instead of wider. The tree growth would be uneven in many different directions.arrow_forwardName the two meristems that involved in the secondary growth that is responsible for the increase in girth of a plant.arrow_forwardWhen describing vegetative propagation, what is meant by the proximal end of a cutting? Group of answer choices A)The end that has buds on it B)The end closest to the base or roots of the plant C)The end closest to the growing tips of the plant D)The plumule inside a baby seedarrow_forward
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