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Zool 310: Developmental Biology 2010/2011 Academic Year Question Paper

Zool 310: Developmental Biology 2010/2011 Academic Year

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2011

COURSE CODE: ZOOL 310
COURSE TITLE: DEVELOPMENTAL BIOLOGY
STREAM: SESSION IV & VII

INSTRUCTIONS:
Answer ALL questions in SECTION (A) and ANY TWO (2) from SECTION (B)

SECTION A: (40 MARKS)

Answer All Questions in this Section

Q1. Define the following terms;
a) Invagination
b) Morphogenesis
c) Organogenesis
d) Polyspermy
e) Transgenic
f) Involution
g) Animal region (7 marks)

Q2. How does growth occur in animals (5 marks)

Q3. What do you understand by Developmental Biology? (9 marks)

Q4. Write short notes on the problems of how different parts of embryo were formed
according to Aristotle. (5 marks)

Q5. What in your opinion do you think causes the internal cavity in the blastula?
(7 marks)
Q6. What is parthenogenesis and hermaphrodite (6 marks)
Q7. In each Somatic cell of a particular animal species, there are 46 chromosomes.
How many should there be in;
a) First polar body
b) Spermatid
c) Primary spermatocyte
d) Brain cell
e) Secondary Oocyte
f) Spermatogenia

SECTION B: (30 MARKS)
Answer Any Two Questions in this Section

Q8. Discuss the origin of Germ cells from which eggs or sperms develop. (15Marks)
Q9. How does the formation of testis compare and contrast with that of ovary.
(15marks)
Q10. Give an account of growth of long bones. (15marks)

Zool 310: Developmental Biology 2010/2011 Academic Year Question Paper

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