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Questions and Answers
Which of the following structures is responsible for the elimination of waste products in certain protozoa?
Which of the following structures is responsible for the elimination of waste products in certain protozoa?
What is a primary characteristic of nematodes?
What is a primary characteristic of nematodes?
In sponges, which type of cell is responsible for the creation of water currents?
In sponges, which type of cell is responsible for the creation of water currents?
Which term describes the two distinct body forms seen in cnidarians?
Which term describes the two distinct body forms seen in cnidarians?
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What is the primary function of nematocysts in cnidarians?
What is the primary function of nematocysts in cnidarians?
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Which mechanism of support is primarily found in poriferans?
Which mechanism of support is primarily found in poriferans?
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Which phylum is characterized by having a flat body without a coelom?
Which phylum is characterized by having a flat body without a coelom?
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Which of the following best describes the reproduction mechanism in sponges?
Which of the following best describes the reproduction mechanism in sponges?
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Study Notes
ZOOL 101: LOWER INVERTEBRATES - UNIVERSITY EXAM
- Exam Date: Thursday, 13/12/2018
- Exam Time: 2:30 PM - 4:30 PM
- Exam Duration: 2 hours
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Instructions:
- Answer all questions in Section A.
- Answer any two questions in Section B.
- Do not write anything on the question paper.
SECTION A (30 Marks)
- Question 1 (5 marks): Distinguish between Cnidaria and Ctenophora phyla.
- Question 2 (5 marks): Outline five characteristics of nematodes.
- Question 3 (5 marks): Describe five types of cells found in sponges.
- Question 4 (5 marks): Explain the feeding mechanism in protozoa, including examples.
- Question 5 (5 marks): State the functions of contractile vacuole, corona, flame cell, cysts, and nematocysts, giving examples.
- Question 6 (5 marks): Diagrammatically illustrate the structure of Acanthocephala .
SECTION B (40 Marks)
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Question 7 (14 + 6 marks):
- (a) Explain sponge reproduction.
- (b) Describe support mechanisms in poriferans.
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Question 8 (4 + 16 marks):
- (a) Explain dimorphism in cnidarians.
- (b) Classify phylum Cnidaria, providing examples.
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Question 9 (8 + 12 marks):
- (a) Discuss evolutionary advancements of roundworms over flatworms.
- (b) Classify phylum Platyhelminthes.
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Description
Prepare for your ZOOL 101 exam on Lower Invertebrates with this comprehensive quiz. Covering various phyla, characteristics, and biological mechanisms, this exam will test your understanding of key concepts in invertebrate zoology. Ensure you are well-versed in the structure and functions of different invertebrate organisms.
