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Cellular Basis Of Life Question Paper

Cellular Basis Of Life

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009

INSTITUTE OF OPEN LEARNING (IOL)
EXAMINATION FOR THE DEGREE OF BACHELOR OF EDUCATION AND
BACHELOR OF SCIENCE

SBT 100: CELLULAR BASIS OF LIFE
DATE: WEDNESDAY 12TH AUGUST, 2009 TIME: 8.00 A.M – 10.00A.M
INSTRUCTIONS:
Answer ALL questions Section A in spaces provided in the question paper, and ONE
questions in Section B in the Answer Book Provided.

SECTION A: SHORT ANSWER QUESTIONS (5 MARKS EACH, TOTAL 40.)

1.
Briefly describe the structure, distribution and functions of lysosomes.
2.
List and briefly explain the structures of mitochondria.
3.
Explain the terms: materialism, testability and falsifiability as concerns the scientific method?
4.
Describe the structure, distribution and functions of plastids.
5.
List and explain various ways substances go into and out of cells
6.
List reasons why cosmozoic theory of the origin of life is considered true after all.
7.
Describe using a diagram shapes of chloroplasts found in the following plants:
Spirogyra.
Chlamydomonas
Ulothrix
Zygonema
Maize
8.
List and describe the functions of the plasma membrane.

SECTION A. ESSAY QUESTIONS (30 MARKS)
Write an essay on the following:
1.
Describe various ways substances go into and out of cells.
2.
Differentiate prokaryotes from eukaryotes with respect to the following: Each Cell size, Cell Form, Genetic material, Cytoplasm, Nucleus, Nitrogen fixing, Photosynthesis, Respiration and Ribosomes, giving specific examples of each category.
3.
Describe the general structure of cell membranes and list organelles made of membranes found in plant and animal cells.

Cellular Basis Of Life Question Paper

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