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Chapter 30: Q 6. (page 867)

Stem regions at which leaves are attached are called ________.

a. trichomes

b. lenticels

c. nodes

d. internodes

Short Answer

Expert verified

C. Nodes

Step by step solution

01

Step-1 Introduction

Leaves are an important part of the plant body. Leaves are the site of photosynthesis. The chlorophyll pigments present in leaves are responsible for the green color of leaves. Photosynthesis is the process of food synthesis in plants.

02

Step-2 Explanation

The stem of the plant bears various parts of plant such as leaves, fruits, and flowers. Extended parts of the stem are called branches can be smaller branches or larger ones. Plant stems are characterized by the presence of nodes as well as internodes. Nodes are mainly the points of attachment for flowers, leaves, and aerial roots. Internode is mainly the space between two nodes.

Trichomes are the hairy structures on the surface of epidermis. The chemicals release from trichomes has a defense mechanism against animals.

Lenticels are the pore like structure on leaf epidermis helps in exchange of gases.

Internodes are the part of stem that generally forms the gap between two nodes.

03

Step-3  Final Answer

Therefore, option 鈥榗鈥� is the correct answer.

Nodes are the sites of attachment for leaves with the stem.

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Most popular questions from this chapter

Which of the following is the major site of photosynthesis?

a. apical meristem

b. ground tissue

c. xylem cells

d. phloem cells

Fruit and vegetable storage facilities are usually refrigerated and well ventilated. Why are these conditions advantageous?

When stomata open, what occurs?

a. Water vapor is lost to the external environment, increasing the rate of transpiration.

b. Water vapor is lost to the external environment, decreasing the rate of transpiration.

c. Water vapor enters the spaces in the mesophyll, increasing the rate of transpiration.

d. Water vapor enters the spaces in the mesophyll, decreasing the rate of transpiration.

Describe the roles played by stomata and guard cells. What would happen to a plant if these cells did not function correctly?

Describe an example of a plant with leaves that are adapted to cold temperatures.
See all solutions

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