BOT2601 OCT/NOV 2023
Question 1 [50]
Please read the article below and answer Question 1 and 2.
1.1 Give the main aim of the article. (10)
1.2 Name and tabulate C3 and C4 grasses in an upland forest that were used in this article. (20)
1.3 How many C4 plants species were collected in a closed vegetation formation, coastal rain
forest and upland forest. (5)
1.4 In the materials and methods, how were C3 and C4 plants classified? (5)
1.5 In detail, explain which methods were used to observe the leaf anatomy. (10)
Question 2 [30]
2.1 Based on the article, please explain why Klink and Joly (1989) in their results concluded that
the C4 species are more abundant in open habitats and C3 species in shaded habitats? (10)
2.2 Based on the discussion in the article, distinguish C3 and C4 plants in a table format.
(20)
Question 3 [20]
3.1 Discuss the structure and functions of each of the following:
a) Guard cells
b) Tracheids
c) Sieve cells
d) Companion cells
(10)
3.2 Plants have a wide range of anatomical adaptations and strategies that enable them to
survive harsh conditions. With the use of specific plant references make a short summary of leaf
anatomy for hydromorphic leaves and halophytic leaves. (10)
Total marks = 100
Question 1 [50]
Please read the article below and answer Question 1 and 2.
1.1 Give the main aim of the article. (10)
1.2 Name and tabulate C3 and C4 grasses in an upland forest that were used in this article. (20)
1.3 How many C4 plants species were collected in a closed vegetation formation, coastal rain
forest and upland forest. (5)
1.4 In the materials and methods, how were C3 and C4 plants classified? (5)
1.5 In detail, explain which methods were used to observe the leaf anatomy. (10)
Question 2 [30]
2.1 Based on the article, please explain why Klink and Joly (1989) in their results concluded that
the C4 species are more abundant in open habitats and C3 species in shaded habitats? (10)
2.2 Based on the discussion in the article, distinguish C3 and C4 plants in a table format.
(20)
Question 3 [20]
3.1 Discuss the structure and functions of each of the following:
a) Guard cells
b) Tracheids
c) Sieve cells
d) Companion cells
(10)
3.2 Plants have a wide range of anatomical adaptations and strategies that enable them to
survive harsh conditions. With the use of specific plant references make a short summary of leaf
anatomy for hydromorphic leaves and halophytic leaves. (10)
Total marks = 100
