Meristematic and permanent tissue — practice questions

Question 1 · difficulty L1 · recall

Which meristem is primarily responsible for an increase in the length of a root or shoot?

• A. Apical meristem
• B. Lateral meristem
• C. Cork cambium
• D. Vascular cambium

Question 2 · difficulty L3 · understanding

Which of the following simple tissues are commonly found in the fruit walls of nuts and pulp of pear?

• A. Sclereids
• B. Fibres
• C. Parenchyma
• D. Collenchyma

Question 3 · difficulty L3 · understanding

Which of the following helps in maintenance of the pressure gradient in sieve tubes?

• A. Albuminous cells
• B. Sieve cells
• C. Phloem parenchyma
• D. Companion cells

Question 4 · difficulty L3 · understanding

Given below are two statements: Statement I : Parenchyma is living but collenchyma is dead tissue. Statement II : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms. In the light of the above statements, choose the correct answer from the options given below:

• A. Both Statement I and Statement II are true
• B. Both Statement I and Statement II are false
• C. Statement I is true but Statement II is false
• D. Statement I is false but Statement II is true

Question 5 · difficulty L3 · understanding

Match List-I with List-II. List-I List-II (a) Cells with active cell division capacity (i) Vascular tissues (b) Tissue having all cells similar in structure and function (ii) Meristematic tissue (c) Tissue having different types of cells (iii) Sclereids (d) Dead cells with highly thickened walls and narrow lumen (iv) Simple tissue Select the correct answer from the options given below.

• A. (a) (b) (c) (d) (iii) (ii) (iv) (i)
• B. (a) (b) (c) (d) (ii) (iv) (i) (iii)
• C. (a) (b) (c) (d) (iv) (iii) (ii) (i)
• D. (a) (b) (c) (d) (i) (ii) (iii) (iv)

Question 6 · difficulty L3 · understanding

Select the correct pair.

• A. Loose parenchyma cells rupturing the epidermis and forming a lens shaped opening in bark - Spongy parenchyma
• B. Large colorless empty cells in the epidermis of grass leaves - Subsidiary cells
• C. In dicot leaves, vascular bundles are surrounded by large thick-walled cells - Conjunctive tissue
• D. Cells of medullary rays that form part of cambial ring - Interfascicular cambium

Question 7 · difficulty L3 · application

A grass plant regrows rapidly after its upper portion is cut because dividing tissue remains near the bases of leaves and internodes. Which meristem accounts for this regrowth?

• A. Intercalary meristem
• B. Apical meristem only
• C. Vascular cambium
• D. Cork cambium