Animal Kingdom
ICSE · Class 11 · Biology
Practice quiz for Animal Kingdom — ICSE Class 11 Biology. MCQs and questions with answers to test your preparation.
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Which phylum is characterized by the presence of nematocysts (stinging cells)?
What is the body plan of Hydra?
Which of the following animals is acoelomate?
Mammary glands, which secrete milk for suckling young, are present in:
Sample Questions
Which vertebrate class has a cartilaginous skeleton?
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Chondrichthyes
Chondrichthyes (cartilaginous fishes like sharks and rays) have an entirely cartilaginous endoskeleton. Osteichthyes have a bony skeleton. Amphibia and Aves also have bony endoskeletons.
The 'water vascular system' is a unique feature of which phylum?
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Echinodermata
The water vascular system (also called the ambulacral system) is the UNIQUE and defining feature of phylum Echinodermata. It consists of canals filled with sea water and is used for locomotion, food capture, transport and respiration.
Petromyzon (lamprey) belongs to which class of vertebrates?
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Cyclostomata
Petromyzon (lampreys) and Myxine (hagfish) are the only members of class Cyclostomata — the jawless (agnathous) vertebrates. They have a circular sucking disc-shaped mouth without true jaws and are ectoparasitic on fish.
Which phylum has the jointed appendages and chitinous exoskeleton?
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Arthropoda
Arthropoda (arthron = joint; podos = foot) is defined by its jointed appendages and chitinous exoskeleton. The exoskeleton is shed periodically in a process called ecdysis (moulting). It is the largest phylum in the animal kingdom.
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