Which of the following plants is a characteristic example of a fibrous root system?
The fibrous root system is seen in the wheat plant.
Question 12 of 300
📘 CLASS XI
Roots that arise from parts of the plant other than the radicle are called:
Roots arising from parts of the plant other than the radicle are called adventitious roots.
Question 13 of 300
📘 CLASS XI
Which of the following sets of plants possess adventitious roots?
In some plants, like grass, Monstera, and the banyan tree, roots arise from parts of the plant other than the radicle and are called adventitious roots.
Question 14 of 300
📘 CLASS XI
Which of the following is NOT a main function of the root system listed in the text?
The main functions of the root system are absorption of water and minerals, anchorage, storing reserve food, and synthesis of plant growth regulators. Conducting photosynthates is a function of the stem.
Question 15 of 300
📘 CLASS XI
The apex of the root is protected by a thimble-like structure called the:
The root is covered at the apex by a thimble-like structure called the root cap.
Question 16 of 300
📘 CLASS XI
Where is the region of meristematic activity located in the root-tip?
A few millimetres above the root cap is the region of meristematic activity.
Question 17 of 300
📘 CLASS XI
Which of the following describes the cells in the meristematic region of the root?
The cells of the meristematic region are very small, thin-walled and with dense protoplasm.
Question 18 of 300
📘 CLASS XI
Which region of the root-tip lies proximal to the meristematic region and is responsible for the growth of the root in length?
The cells proximal to the meristematic region undergo rapid elongation and enlargement and are responsible for the growth of the root in length. This region is called the region of elongation.
Question 19 of 300
📘 CLASS XI
Epidermal cells of which root region form fine and delicate, thread-like structures called root hairs?
From the region of maturation, some of the epidermal cells form very fine and delicate, thread-like structures called root hairs.
Question 20 of 300
📘 CLASS XI
What is the primary function of root hairs?
Root hairs absorb water and minerals from the soil.
