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Pristis exhibits which type of fertilization?

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Important Questions on Animal Kingdom

MEDIUM
Biology>Diversity in The Living World>Animal Kingdom>Chordates
Which one of these animals is not a homeotherm?
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
Which one of the following living organisms completely lacks a cell wall?
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
Water vascular system is found in ___.
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
A jawless fish, which lays eggs in freshwater and whose larvae after metamorphosis return to the ocean is
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
MEDIUM
Biology>Diversity in The Living World>Animal Kingdom>Chordates
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>Chordates
Select the taxon that represents both marine and freshwater species.
HARD
Biology>Diversity in The Living World>Animal Kingdom>Chordates
Which among these is the correct combination of aquatic mammals?
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
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>Chordates
An important characteristic that Hemichordates share with Chordates is
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
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>Chordates
Metagenesis refers to:
MEDIUM
Biology>Diversity in The Living World>Animal Kingdom>Chordates
Select the option from the following having matching characteristics for the mentioned group without any exception:
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
Which is the National Aquatic Animal of India?
MEDIUM
Biology>Diversity in The Living World>Animal Kingdom>Chordates
Choose the correct statement.
MEDIUM
Biology>Diversity in The Living World>Animal Kingdom>Chordates

Which of the following statements are true for the phylum-Chordata?

(a) In Urochordata, notochord extends from head to tail, and it is present throughout their life.

(b) In Vertebrata, the notochord is present during the embryonic period only.

(c) Central nervous system is dorsal and hollow.

(d) Chordata is divided into 3 subphyla: Hemichordata, Tunicata, and Cephalochordata.

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Biology>Diversity in The Living World>Animal Kingdom>Chordates
A marine cartilaginous fish that can produce electric current is:
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
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>Chordates
The chitinous exoskeleton of arthropods is formed by the polymerization of:
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Biology>Diversity in The Living World>Animal Kingdom>Chordates
Which of the following features is not present in the phylum Arthropoda?