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Match List I with List II:
Column I Column II A. Taenia I. Nephridia B. Paramoecium II. Contractile vacuole C. Periplaneta III. Flame cells D. Pheretima IV. Urecose gland
medium
Animal Kingdom
2023
biology
Explanation To solve this problem, we need to match the organisms in List I with their corresponding excretory structures in List II. \newline Let's analyze each organism and their excretory structures: \newline • Taenia (A): \newline - Taenia, a type of tapeworm, uses flame cells for excretion. \newline - Flame cells are specialized cells that function in osmoregulation and excretion. \newline - Therefore, Taenia corresponds to flame cells (III). \newline
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•
Paramoecium (B):
- Paramoecium, a unicellular organism, uses contractile vacuoles for excretion.
- Contractile vacuoles help in expelling excess water and waste products.
- Therefore, Paramoecium corresponds to contractile vacuole (II).
•
Periplaneta (C):
- Periplaneta, commonly known as the cockroach, uses urecose glands for excretion.
- Urecose glands help in the excretion of nitrogenous wastes.
- Therefore, Periplaneta corresponds to urecose gland (IV).
•
Pheretima (D):
- Pheretima, commonly known as the earthworm, uses nephridia for excretion.
- Nephridia are tubular excretory structures that help in osmoregulation and excretion.
- Therefore, Pheretima corresponds to nephridia (I).
Based on the analysis, the correct matching is:
A->III, B->II, C->IV, D->I
This corresponds to Option 3.