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Nare 110: Invertebreates Biology Question Paper

Nare 110: Invertebreates Biology

Course:Bachelor Of Science In Wildlife Enterprise And Management

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS
SECOND YEAR EXAMINATIONS FOR THE AWARD OF BACHELOR OF SCIENCE IN WILDLIFE ENTERPRISE AND MANAGEMENT
NARE 110: INVERTEBREATES BIOLOGY
STREAMS: B.SC (WIEM) Y2S1 TIME: 2 HOURS
DAY/DATE: FRIDAY 19/4/2013 11.30 AM – 1.30 PM
INSTRUCTIONS:

Answer all questions in section A and any other two in section B.

SECTION A (30 MARKS)

1. State the five cell types present in most sponges and their function. [5 Marks]

2. Briefly explain the two body forms found in the phylum Cnidarians. [4 Marks]

3. List five major differences between echinoderms and other coelomates (mollusks, annelids, and arthropods) [5 Marks]

4. Briefly explain segmentation and the three forms of segmentation in annelids. [6 Marks]

5. Briefly explain why evolution of the coelom was a significant advance in the structure of the animal body. [5 Marks]

6. Briefly describe the excretory system of Mollusks. [5 Marks]

SECTION B: ANSWER ANY TWO QUESTIONS IN THIS SECTION (40 MARKS)

7. Discuss the various forms of interactions between invertebrates and other higher organisms. [20 Marks]
8. Discuss the different forms of reproduction in invertebrates. [20 Marks]

9. Giving examples in each case, discuss the distinguishing characteristics of any four of the following arthropod classes. [20 Marks]

(a) Arachnida
(b) Chilopoda
(c) Crustacae
(d) Insecta
(e) Diplopoda.

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Nare 110: Invertebreates Biology Question Paper

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