MCQ Questions on Plant Anatomy
1. The waxy substance associated with the wall of the cork cell is
(a) Lignin
(b) Hemicellulose
(c) Cutin
(d) Suberin
Answer
Answer: (d) Suberin
2. A tissue that does not contain lignin
(a) Sclerenchyma
(b) Parenchyma
(c) Collenchyma
(d) Chlorenchyma
Answer
Answer: (c) Collenchyma
3. Lateral roots originate in
(a) Cortex
(b) Endodermal cells
(c) Pericycle
(d) Cork cambium
Answer
Answer: (c) Pericycle
4. Which gives rise to the cork tissue?
(a) Periblem
(b) Phellogen
(c) Phelloderm
(d) Periderm
Answer
Answer: (b) Phellogen
5. Which are the external protective tissues of the plant?
(a) Cortex and epidermis
(b) Cork and cortex
(c) Pericycle and cortex
(d) Epidermis and cork
Answer
Answer: (d) Epidermis and cork
6. Following is the characteristic of collenchyma
(a) Elongated cells with thickened corners
(b) Isodiametric cells with thickened walls
(c) Elongated cells with deposits of cellulose and pectin
(d) Isodiametric cells with deposits of cellulose and pectin
Answer
Answer: (a) Elongated cells with thickened corners
7. Casparian strips are found in
(a) Epidermis
(b) Endodermis
(c) Exodermis
(d) Pericycle
Answer
Answer: (b) Endodermis
8. The apical meristem of the root is found in
(a) Taproots
(b) Radicals
(c) Adventitious roots
(d) All the roots
Answer
Answer: (d) All the roots
11. Intercalary meristem results in
(a) Primary grow9. Bordered pits are found in
(a) Vessel wall
(b) Sieve cells
(c) Sieve tube
(d) Companion cells
Answer
Answer: (a) Vessel wall
10. Where in epiphytes are velamen cells located?
(a) Below the endodermis
(b) Below the epidermis
(c) Just outside the cortex
(d) Just outside the exodermis
Answer
Answer: (d) Just outside the exodermis
th
(b) Secondary growth
(c) Apical growth
(d) None
Answer
Answer: (a) Primary growth
12. The age of the tree can be determined by
(a) Measuring its diameter
(b) Counting the number of annual rings
(c) Counting the number of leaves
(d) Finding out the number of branches
Answer
Answer: (b) Counting the number of annual rings
13. Which meristem helps in increasing the girth of the plant?
(a) Primary meristem
(b) Apical meristem
(c) Intercalary meristem
(d) Lateral meristem
Answer
Answer: (d) Lateral meristem
14. Fibres associated with phloem
(a) Wood fibres
(b) Bast fibres
(c) Hard fibres
(d) Surface fibres
Answer
Answer: (b) Bast fibres
15. In angiosperms, xylem is made up of
(a) Tracheids and fibres
(b) Tracheids and vessels
(c) Vessels and fibres
(d) All of the above
Answer
Answer: (d) All of the above
16. Which of the following has a perforated cell wall?
(a) Vessel
(b) Fibre
(c) Tracheid
(d) Sclereid
Answer
Answer: (a) Vessel
17. How many radial vascular bundles are found in dicot roots?
(a) Four
(b) Six
(c) Two
(d) One
Answer
Answer: (a) Four
18. Bicollateral bundles are found in the stem of
(a) Pumpkin
(b) Sunflower
(c) Dracaena
(d) Gram
Answer
Answer: (a) Pumpkin
19. Vascular bundles in dicot stem are
(a) Closed, conjoint, endarch
(b) Open, conjoint, endarch
(c) Closed, conjoint, exarch
(d) Open, conjoint, exarch
Answer
Answer: (b) Open, conjoint, endarch
20. Wound healing in plants is initiated by
(a) Apical meristem
(b) Lateral meristem
(c) Secondary meristem
(d) Intercalary meristem
Answer
Answer: (c) Secondary meristem