Plant Secondary Growth MCQs : This section focuses on the "Plant Secondary Growth". These Multiple Choice Questions (MCQs) should be practiced to improve the Plant Secondary Growth skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
A layer of Meristematic tissue that develops around the cortex region is called cork cambium.
A. True
B. False
Question 2
A monocot can’t show secondary growth whereas dicot exhibit secondary growth.
A. True
B. False
Question 3
Secondary cortex is also called as _________
A. Phellem
B. Phelloderm
C. Secondary xylem
D. Secondary phloem
Question 4
Secondary growth is due to _______
A. Cambium
B. Apical meristem
C. Intercalary meristem
D. Parenchyma
Question 5
The region in the secondary phloem that comprises of dead elements and protected by lignified walls is called as _____
A. Early wood
B. Heart wood
C. Sap wood
D. Late wood
Question 6
The wood that grows in the winter due to inactive cambium is called as _______
A. Early wood
B. Heart wood
C. Sapwood
D. Autumn wood
Question 7
Which among the following describes bark?
A. Phloem and xylem
B. Epidermis and parenchymatic cells
C. Everything outside the vascular cambium including the secondary phloem
D. Pith
Question 8
Which among the following is incorrect about cork cambium?
A. Cork cambium helps in the replacement of the broken epidermis during the secondary growth
B. Cells on the outer side of the cork cambium differentiates to form cork
C. Cells on the inner side of the cork cambium differentiates to form secondary cortex
D. Cork is also known as Phelloderm
Question 9
Which among the following is incorrect about vascular cambium?
A. It exists as a layer in between primary xylem and primary phloem
B. Intrafascicular cambium is formed when cambium cells are in between the primary xylem and phloem
C. Interfascicular cambium cells are medullary cells that adjoin intrafascicular cambium
D. A cambial ring is formed in an intrafascicular cambium
Question 10
Which among the following is not correct about vascular cambium?
A. Cells on the outer side of cambial ring differentiate into secondary phloem
B. Cells on the inner side of cambial ring differentiate into secondary xylem
C. Amount of the secondary phloem produced is more than that of secondary xylem
D. Vascular cambium is an example of Meristematic tissue