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)
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