MCQ Questions on Plant Anatomy

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


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