MCQs on Chlorofluorocarbons 1. Which of the following statements is true about chlorofluorocarbons? Chlorofluorocarbons are…
MCQs on Plant Anatomy
MCQs on Plant Anatomy
1. The waxy substance associated with the wall of the cork cell is
a. Lignin
b. Hemicellulose
c. Cutin
d. Suberin
2. A tissue that does not contain lignin
a. Sclerenchyma
b. Parenchyma
c. Collenchyma
d. Chlorenchyma
3. Lateral roots originate in
a. Cortex
b. Endodermal cells
c. Pericycle
d. Cork cambium
4. Which gives rise to the cork tissue?
a. Periblem
b. Phellogen
c. Phelloderm
d. Periderm
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
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
7. Casparian strips are found in
a. Epidermis
b. Endodermis
c. Exodermis
d. Pericycle
8. The apical meristem of the root is found in
a. Taproots
b. Radicals
c. Adventitious roots
d. All the roots
9. Bordered pits are found in
a. Vessel wall
b. Sieve cells
c. Sieve tube
d. Companion cells
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
11. Intercalary meristem results in
a. Primary growth
b. Secondary growth
c. Apical growth
d. None
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
13. Which meristem helps in increasing the girth of the plant?
a. Primary meristem
b. Apical meristem
c. Intercalary meristem
d. Lateral meristem
14. Fibres associated with phloem
a. Wood fibres
b. Bast fibres
c. Hard fibres
d. Surface 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
16. Which of the following has a perforated cell wall?
a. Vessel
b. Fibre
c. Tracheid
d. Sclereid
17. How many radial vascular bundles are found in dicot roots?
a. Four
b. Six
c. Two
d. One
18. Bicollateral bundles are found in the stem of
a. Pumpkin
b. Sunflower
c. Dracaena
d. Gram
19. Vascular bundles in dicot stem are
a. Closed, conjoint, endarch
b. Open, conjoint, endarch
c. Closed, conjoint, exarch
d. Open, conjoint, exarch
20. Wound healing in plants is initiated by
a. Apical meristem
b. Lateral meristem
c. Secondary meristem
d. Intercalary meristem
Answer Key
1- d | 2- c | 3- c | 4- b | 5- d | 6- a | 7- b | 8- d | 9- a | 10- d |
11- a | 12- b | 13- d | 14- b | 15- d | 16- a | 17- a | 18- a | 19- b | 20- c |