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Botany Exam Prep Questions

This document provides 31 questions about plant anatomy and morphology as part of a student's exam preparation. The questions cover topics such as secondary growth in monocots versus dicots, characteristics of early wood and late wood, the anatomy of a 200-year-old oak tree, functions of conduction and support in trees, effects of girdling a tree, distinguishing root and stem cross-sections, zones of cell division and maturation, storage and absorption in roots, stomata distribution on leaves, adaptations like tendrils and bulbs, differences between xerophyte and hydrophyte leaves, modified leaves, trichomes and epidermal functions, heartwood versus sapwood, secondary growth in sunflower stems, dors

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Cornelius Olsa Anak Olbernt
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94 views2 pages

Botany Exam Prep Questions

This document provides 31 questions about plant anatomy and morphology as part of a student's exam preparation. The questions cover topics such as secondary growth in monocots versus dicots, characteristics of early wood and late wood, the anatomy of a 200-year-old oak tree, functions of conduction and support in trees, effects of girdling a tree, distinguishing root and stem cross-sections, zones of cell division and maturation, storage and absorption in roots, stomata distribution on leaves, adaptations like tendrils and bulbs, differences between xerophyte and hydrophyte leaves, modified leaves, trichomes and epidermal functions, heartwood versus sapwood, secondary growth in sunflower stems, dors

Uploaded by

Cornelius Olsa Anak Olbernt
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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REVISION QUESTIONS (TBB 2033):

This is part of your exercise and preparation for your coming final exam. Do try these
out!

1. Commonly there is no secondary growth in monocots however it occurs in very


few species in monocot. Explain how does secondary growth in monocot differ
from that on dicots ?
2. Which is denser: early wood or late wood. Explain why?
3. Imagine what has happened to the epidermis, cortex and primary phloem of 200
years old oak tree?
4. What is the significance of secondary growth?
5. Two major functions of a tree are conduction and support. Describe the
anatomical basis for each of these functions.
6. Why does removing a ring from around a tree (ie; girdling
) kill a tree ?
7. Suppose you are given a slide of a root cross section and a slide of stem cross
section. How do you distinguish the two ?
8. What characteristics distinguish the zone of cellular division, cell elongation &
cellular maturation?
9. Discuss how roots are structurally and functionally modified for storage and
absorption?
10. What is the significance of having more stomata on the lower side of a tree leaf
than on the upper side?
11. How does the ability of a plant to form (a) tendrils (b) thorns (c) bulbs and (d)
Rhizomes help a plant survive?
12. How do the leaves of xerophytes differ from those of hydrophytes. What is the
significance of these differences?
13. List 6 kindof modified leaves and the functional significance each
14. Explain why submerged leaves of resemble shade leaves, whereas the leaf of
xerophyte often resemble sun leaves ?
15. What are the functions of trichomes? Secretory structure? Epidermis?
16. Compare between sap wood and heart wood?
17. Develop with illustration how secondary growth grith takes place in the stem of
sunflower until it reaches two years old?
18. Giving a diagrams, describe the anatomy of a dorsiventral leaf. How does it differ
from that an isobilateral leaf?
19. Explain the term exarch and endarh with reference to xylem. Give an example of
each.
20. How do you differentiate an early metaxylem vessel from late metaxylem vessel?
21. Write short notes on annual ring, how it develop, in which kind of plant it can be
clearly seen and it significance.
22. How does secondary thickening or woody stem of monocot occurs, especially in
the palms tree?
23. What are tyloses and how they are formed?
24. Write critical notes on summer and spring wood/
25. Illustrate the stages in development of a tetrarch dicot root until it reaches 3 years
old.
26. Draw stem cross sections of 3 years old: a) Pinus sp. (gymnosperm) and b)
Helianthus sp. (dicot)
27. How do you classify fruit and provide each types with an example.
28. Select your own plant then describe and illustrate the morphological appearance
and arrangement of its leaves and flower.
29. Discuss any 5 types of modified root and 5 types of modified leaf kown.
30. How do you differentiate phylloclade and phylode?
31. By ovary position of a flower you can determine the floral type. Discuss types of
flower known in reference of the ovary position?
32. How do you explain compound and simple leaves? Then elaborate types of
compound and simple leaves.
33. What is floral formula and floral diagram? How do you write and draw floral
formula of Hibiscus rosa-sinensis (Bunga Raya)?

Try these questions and should you have any problem, do come and see me but you’ve to
try them out first!

Best of Luck for your final exam!.

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