Bota 121: Plant Anatomy And Morphology Question Paper
Bota 121: Plant Anatomy And Morphology
Course:Bachelor Of Education Science
Institution: Chuka University question papers
Exam Year:2013
CHUKA
UNIVERSITY
UNIVERSITY EXAMINATIONS
FIRST YEAR EXAMINATION FOR THE AWARD OF DEGREE OF
BACHELOR OF EDUCATION (SCIENCE) AND BACHELOR OF SCIENCE (AGED)
BOTA 121: PLANT ANATOMY AND MORPHOLOGY
STREAMS: BED (SCI) &BSC (AGED) Y1S2 TIME: 2 HOURS
DAY/DATE: FRIDAY 9/8/2013 8.30 AM-10.30 AM
INSTRUCTIONS:
• Answer All Questions in Section A and Two Other Questions in Section B.
• Adhere to the Instructions in the Answer Booklet.
Section A (30 Marks)
Question One
(a) Explain the meaning of the following terms
(i) Thallus [2 marks]
(ii) Holocarpous mycelium [1 mark]
(b) State the difference between isogamy, anisogamy and oogamy in members of thallophyta. [1 ½ marks]
(c) Name the diverse forms of growth in algae. [1 ½ marks]
Question Two
(a) Using a suitable illustration, describe septate and aseptate mycelia in fungi.
[2 marks]
(b) State two major characteristics of the division phaeophyta. [2 marks]
(c) Outline the difference between unicellular and filamentous thalli in fungi. [2 marks]
Question Three
(a) Members of the division Bryophyta lack vascular bundles. Explain how they survive in terrestrial habitats. [2 marks]
(b) Describe the three major morphological forms of lichens. [3 marks]
(c) State the role of the mycobiont and phycobiont components of the lichen association. [1 mark]
Question Four
(a) Use a diagram to illustrate the morphology of the sporophyte of a pterophyta.
[3 marks]
(b) Name three forms of vascular tissue in ferns. [3 marks]
Question Five
(a) Name the major life forms of angiosperms based on the position of resting buds.
[2 marks]
(b) State two major structural forms of gymnosperms. [2 marks]
(c) State two economic importance of angiosperms. [2 marks]
Section B (40 Marks)
Question Six
Outline the structural differences between angiosperms and gymnosperms with respect to their habitats. [20 marks]
Question Seven
(a) Discuss the economic importance of lichens. [12 marks]
(b) State the structural differences between lichens and fungi. [8 marks]
Question Eight
With the aid of a suitable diagram, describe the life cycle of bryophytes. [20 marks]
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