EASY
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Bioluminescence is a unique characteristic observed in the Annelids.

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Important Questions on Animal Kingdom

HARD
Study the following statements and identify the correct ones-
I) Colloblasts are found in sea gooseberries
II) Larva of cestodes is Muller's larva
III) Nematodes have renette gland for excretion
IV) Stomochord is found in hemichordates
EASY
Select the taxon that represents both marine and freshwater species.
MEDIUM
Which one of these animals is not a homeotherm?
EASY
Which one of the following characteristics is not shared by birds and mammals?
EASY
Which of the following characteristics is mainly responsible for the diversification of insects on land?
EASY
Which is the National Aquatic Animal of India?
MEDIUM
Select the option from the following having matching characteristics for the mentioned group without any exception:
EASY
An important characteristic that Hemichordates share with Chordates is
EASY
In the case of Poriferans, the spongocoel is lined with flagellated cells called
EASY
Which of the following features is not present in the phylum Arthropoda?
EASY
The chitinous exoskeleton of arthropods is formed by the polymerization of:
MEDIUM
Which of the following characteristic features always holds true for the corresponding group of animals?
MEDIUM
Which of the following features is not present in Periplaneta americana?
HARD
A jawless fish, which lays eggs in freshwater and whose larvae after metamorphosis return to the ocean is
HARD
Which among these is the correct combination of aquatic mammals?
EASY
Which one of the following living organisms completely lacks a cell wall?
EASY
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum: