Animal Classification by MCQs with Answers

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Honey bees are a group of polymorphic colonial insects, meaning individuals of the same species exist in different forms or castes within the colony.

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Young fish consume feed up to 50% of their body weight per day.

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Out-breeding in domesticated animals is termed as Heterosis (also known as hybrid vigor).

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The process in which an animal sacrifices its reproductive potential for the benefit of another organism is called Altruism.

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Unihemispheric sleep shows a slow wave sleep cycle in animals that sleep with one eye open.

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Surmai (also known as King Mackerel/Seer fish) is a sea water (marine) fish, while Rohu, Catla, and Mrigal are freshwater fish.

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Mating between distantly related individuals is known as Out Breeding.

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In protostomes, the blastopore forms the mouth first, while in deuterostomes it forms the anus.

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<strong>Ethological isolation</strong> takes place only in animals, as it involves behavioural differences in mating rituals that prevent interbreeding.

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The term for a harmless species mimicking a harmful species to avoid predators is Batesian mimicry.