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Animals having a built-in thermostat to maintain constant body temperature are known as homeothermic.

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Important Questions on Animal Kingdom

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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which one of these animals is not a homeotherm?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which one of the following living organisms completely lacks a cell wall?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Water vascular system is found in ___.
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
In which of the following animals, digestive tract has additional chambers like crop and gizzard?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Birds are glorified reptiles, because the birds evolved from the reptiles, and also they share the characters with reptiles?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Select the taxon that represents both marine and freshwater species.
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which among these is the correct combination of aquatic mammals?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which of the following characteristics is mainly responsible for the diversification of insects on land?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
An important characteristic that Hemichordates share with Chordates is
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which one of the following characteristics is not shared by birds and mammals?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Metagenesis refers to:
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which is the National Aquatic Animal of India?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Identify the correct statement/s regarding class Aves.
1. Forelimbs are modified into wings and hindlimbs are modified for walking and swimming.
2. Heart completely four-chambered.
3. They are homeotherms.
4. They are oviparous and development is direct.
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which of the following characteristic features always holds true for the corresponding group of animals?
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Identify the differences between Chondrichthyes and Osteichthyes:
a) Chondrichthyes have gill slits covered by operculum and Osteichthyes have gill slits without operculum
b) Chondrichthyes have a swim bladder and Osteichthyes do not have a swim bladder
c) Chondrichthyes contain placoid scales and Osteichthyes contain cycloid scales
d) Chondrichthyes contain terminal mouth and Osteichthyes contain ventral mouth
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
A marine cartilaginous fish that can produce electric current is:
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
In the case of Poriferans, the spongocoel is lined with flagellated cells called
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
The chitinous exoskeleton of arthropods is formed by the polymerization of:
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Biology>Diversity in the Living World>Animal Kingdom>Classification of Animals
Which of the following features is not present in the phylum Arthropoda?