PLANT ANATOMY

PLANT ANATOMY


1. The branch of Botany dealing with the internal organization is called

a. Physiology b. Anatomy c. Cytology d. Ecology

2. A pical cell theory for explaining shoot apex organisation in lower tracheophytes was given by

a. Nageli b.Hanstein c. Clowes d. Haberlandt

3. Tunica Corpus theory explains organization of a pical meristem of shoot. It was proposed by

a. Schmidt b. Hanstein c. Haberlandt d. Clowes.

4. Root apex is sub terminal because of the presence of

a. Root hairs b. Root cap c. Quiescent centre d. All of these

5. Tunica Corpus theory is based on

a. Rate of shoot tip growth b. Plane of cell division

c. Rate of cell division d. Reguibs if nerustenatuc activity

6. Grass stem grows by activity of

a. Apical meristem b. Lateral meristem c. Intercalary meristem d. None

7. The DNA content of quiescent zone is

a. High b. Low c. Balanced d. Very high

8. The quiescent centre was reported in root apex of maize by

a. Hanstein b. Clowes c. Schmidt d. Nageli

9. Pith in stem is derived from

a. Protoderm b. Procambium c. Ground meristem d. Calyptrogen

10. Lateral meristems cause the growth of

a.Cortex b. Thickness c. Parenchyma d. Tissues

11. Procambium gives rise to

a. Vascular cambium only b. Cork cambium only c. Primary vascular bundles

d. Primary vascular bundles and primary vascular cambium

12. Which is an example of lateral meristem?

a. Cork cambium b. Vascular cambium c. Wound cambium d. All of these

13. Which of the following cells are totipotent?

a. Xylem vessels b. Meristems c. Cork d. Sieve tubes

14. Tracheids communicate with one another through

a. Pits b. Walls c. End walls d. None of these

15. In which living cell, nucleus is absent?

a. Collenchyma b. Scdlernchyma c. Sieve tubes d. Pericycle

16. The bi collateral bundles are characteristic of

a. Grasses b. Cucurbits c. Sunflower d. Maize

17. In hollow hearted plant
a. Root will die first b. Shoot will die first

c. Root and shoot will die at same time d. Neither root nor shoot will die

18. Casparian strip is absent in endodermis of

a. Exodermis b. Passage cells c. Endodermis d. Pericycle

19. The type of vascular bundle in roots are

a. Collateral b. Bicollateral c. Radial d. Concentric

20. In monocotyledenous leaf, the gaurd cells are

a. Kidney shaped b. Dumbell shaped c. Columnar d. Rectangular

21. Vessels are found in

a. Tracheophytes b. Spermatophytes c. Angiosperms d. Gymnosperms

22. Endodermis is also called

a. Sugar sheath b. Starch sheath c. Bundle sheath d. Leaf trace

23. Monocot leaf is

a. Differentiated into palisade and spongy parenchyma

b. Not differentiated into palisade and spongy tissues

c. Above condition vary according to environmental conditions

d. None of the above

24. Balloon like outgrowth of parenchyma into the lumen of vessels of secondary xylem is known

as
a. Phellogen b. Tyloses c. Tunica d. Histogen

25. As the tree grows older, which increases more rapidly in thickness?

a. Sapwood b. Heart wood c. Phloem d. Cortex

ANSWERS

1. b 2. a 3. a 4.a 5. b 6. c 7. b 8. b 9.c 10. b

11. d 12. d 13. b 14. a 15. c 16. b 17. d 18. c 19. c 20. b

21. c 22. b 23. b 24. b 25. b