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Developmental Biology Question Paper

Developmental Biology 

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009



COURSE CODE: ZOOL 310
COURSE TITLE: DEVELOPMENTAL BIOLOGY
STREAM: SESSION V
DAY: TUESDAY
TIME: 9.00 – 11.00 A.M.
DATE: 01/12/2009

INSTRUCTIONS:
Answer All the questions in SECTION (A) and any two (2) questions in SECTION (B)

SECTION (A) (40 Marks)
Answer All the questions
1. (a) Define the following terms. (7Marks)
(i) Actin filaments
(ii) Ingressions
(iii) Integrins
(iv) Invagination
(v) Polyspermy.
(Vii) Transgenic
(Vii) Zona Pellucida.
(b) Describe biogenetic law & state vonbaer’s law. (6Marks)
2. Give an account of the process of Gastrulation (8Marks)
3. Illustrate the various ways tissues grow (6Marks)
4. Describe Indian Hedgehog (9Marks)
5. Describe the various types of eggs found in different animals (4Marks)

SECTION (B) (30 Marks)
Answer any two (2) questions from this Section
6. Discuss Molting in a named arthropod (15Marks)
7. How can Cancer result from mutation in genes that control cell multiplication and differentiation?
(15Marks)
8. Discuss the origin of Germ cells from which eggs or sperms develop. (15Marks)




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