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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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Bota 121: Plant Anatomy And Morphology Question Paper

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