Get premium membership and access revision papers, questions with answers as well as video lessons.

Sbt 100 Question Paper

Sbt 100

Course:Bachelor Of Science In Medical Laboratory Science

Institution: Kenyatta University question papers

Exam Year:2009

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.

Page 1 of 4

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.
Page 2 of 4

7.
Describe using a diagram shapes of chloroplasts found in the following plants:
Spirogyra.

Chlamydomonas

Ulothrix

Zygonema

Maize

Page 3 of 4

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.
Page 4 of 4