Concept explainers
Introduction: Plants exhibit two types of growth: primary growth and secondary growth. Plant’s primary growth involves growth in plant length. It usually occurs in roots and shoots. The apical meristem tissues allow this type of growth. On the other hand, the secondary growth involves growth in thickness. The lateral meristem assists in this type of growth. The secondary growth occurs in the parts of plant where the primary growth has been stopped. The two types of embryonic shoot present in
Answer to Problem 1TYU
Correct answer: Axillary buds are located in the upper angle between a leaf and the stem to which it is attached.
Hence, the correct answer is option (d).
Explanation of Solution
Reason for the correct answer:
The axillary buds, also called lateral buds, are embryonic shoots that are located at the axil of a leaf. The axil is the upper angle between a leaf and the stem to which it is attached. They are found only in dicots.
Option (d) is given as “in the upper angle between a leaf and the stem to which it is attached”.
The axillary buds are an embryonic shoot that is located in the axil of a leaf.
Hence, the correct answer is option (d).
Reasons for incorrect answers:
Option (a) is given as “at the tips of stems”.
The terminal buds are the primary growing point of the plant which is located at the tip of the stem.
Hence, option (a) is incorrect.
Option (b) is given as “in unusual places, such as on roots”.
The buds that are found in unusual places are called as adventitious buds.
Hence, option (b) is incorrect.
Option (c) is given as “in the region between two successive nodes”.
The region between two successive nodes is known as internode. The axillary buds are not found in internodes.
Hence, option (c) is incorrect.
Option (e) is given as “within the loosely arranged cells of lenticels”.
Lenticels are loose aggregate of cells in the periderm. They help in gaseous exchange between the atmosphere and the living tissue inside the bark. The axillary buds are not found in lenticels.
Hence, option (e) is incorrect.
Hence, options (a), (b), (c), and (e) are incorrect.
Axillary buds are found in between the leaf and stem.
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Chapter 35 Solutions
BIOLOGY LL VERSION + MINDTAP V2.0(2 TER
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