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Sbt 201: Gymnosperm And Angiosperm Taxonomy Question Paper

Sbt 201: Gymnosperm And Angiosperm Taxonomy

Course:Microbiology And Biotechnology

Institution: University Of Nairobi question papers

Exam Year:2007

UNIVERSITY OF NAIROBI
SECOND SEMESTER EXAMINATIONS 2012/2013
SECOND YEAR EXAMINATIONS FOR THE DEGREE OF BACHELOR OF SCIENCE
SBT 201: GYMNOSPERM AND ANGIOSPERM TAXONOMY
DATE: JUNE 18, 2007 TIME: 9.00 AM – 12.00 AM
INSTRUCTIONS
Answer all questions from section A and ANY two from section B.
SECTION A
Short answer questions 30 marks total.
1. For each term or phrase in the column 1, write the letter of the term or name in the second column most closely associated with it.
Column 1 Write your answer here Column 2
A. United stamens, petals and sepals a. Gramineae
B. Binomial or trivial names b. Inflorescence
C. Awn c. Linnaeus
D. Basal number d. Phenetics
E. Monophyletic taxa e. Phylogenetics
F. Catkins f. Taxonomic evidence

2. Sketch a hypothetical leaf with the following descriptions: Leaf palmately compound, the leaflets lanceolate, entire, cuneate and mucronate.
3. What advantage does the reproductive system of the gymnosperms have over that of the ferns?
4. Give the rank of the following taxonomic categories according to the International Code of Botanical Taxonomy.
a. Rosoideae
b. Magnoliales
c. Brassica
5. Give an example of a family with the following characteristics
a. Zygomorphic corolla
b. Imperfect flowers
c. Syngenesium
6. Draw and label the cyathium inflorescence of the family Euphorbiaceae.
7. With specific examples enumerate the economic importance o the family Rosaceae
8. Using corolla characteristics only, distinguish between the subfamilies in the family Leguminosae.
9. Describe briefly the logical steps used in numerical taxonomy methodology.
10. Outline any three basic principles that control and regulate the naming of plants.
SECTION B
20 MARKS EACH
1. Discuss at length the role of herbarium plant collections in enhancing taxonomic research today.
2. Discuss in detail the modern taxonomic evidence that may be applied to taxonomic research.
3. Describe the morphological and economic importance of the family Compositeae (Asteraceae).
4. Discuss the formation of specific epithets according to the International Code of Botanical Nomenclature.

Sbt 201: Gymnosperm And Angiosperm Taxonomy Question Paper

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