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In this question, you are given a list of animals in List I and a list of phyla in List II. You need to match each animal with its corresponding phylum and select the correct answer using the given code.
Let`s analyze each option:
Option 1: 3-4-2-1
According to this option, Ascaris (animal in List I) belongs to the phylum Nematoda (number 3 in List II). Malarial parasite belongs to Protozoa (number 4), Housefly belongs to Arthropoda (number 2), and Cow belongs to Mammalia (number 1). This option matches the animals with the correct phyla.
Option 2: 3-2-4-1
In this option, Ascaris still belongs to Nematoda. However, Malarial parasite is now matched with Arthropoda, Housefly with Protozoa, and Cow with Mammalia. This option incorrectly matches the animals with the phyla.
Option 3: 1-2-4-3
According to this option, Ascaris (animal in List I) belongs to Mammalia (number 1 in List II), Housefly belongs to Arthropoda