The animal has 19 body segments, 6 pairs of appendages and respire through the trachea is

Spider

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Prawn

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Scorpion

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Head louse

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Solution

The correct option is A Spider
Arachnids that belong to the joint-legged arthropods have six pairs of appendages. Of this the first pair- the chelicerae, is adapted for killing and consuming prey, the second pair, pedipalps, are used as receptors sensitive to touch and sensitive to chemical changes. The final four pairs of appendages are walking legs. Spiders have 19 body segments and respires through the trachea.
Thus, the correct answer is option A.

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Similar questions

Q. Write relevant phylum/class for each of the following.

(A) A blood fluke that has two suckers and no body cavity.
(B) A terrestrial organism with three pairs of jointed appendages attached to each of its spires through the trachea.
(C) Soft-bodied animals enclosed in bivalves calcareous shell.

Q. Match the terms given in column 'A' with those in column 'B'.

	Column A		Column B
a)	Nematoda	i.	an organism with a 4- chambered heart, a body covering of hair, external ears and suckles its young.
(b)	Mammalia	ii.	shelled organism with a large flat foot and one or more pairs of tentacles.
(c)	Echinodermata	iii.	a roundworm which has a 3-lipped mouth, is parasitic in the intestine of man.
(d)	Arthropoda	iv	a terrestrial organism with two pairs of jointed appendages attached to each of its many body segments and respires through tracheae.
(e)	Mollusca	v.	a spiny- skinned marine organism with calcareous exoskeleton, with radial symmetry, body parts occurring in fives and a water vascular system.
(f)	Agnatha	vi.	a jawless, parasitic vertebrate which attaches to, and sucks blood from fishes.
(g)	Reptilia	vii.	a limbless land animal without external ears but with forked tongue.

Q. Which group of animals from the options below exhibit features like jointed appendages, exoskeleton and segmented body?

Q. Column II below consists of brief description of organisms in column I. Which of the following is incorrect match between column I and column II

	Column I	Column II
A	Millipede	A terrestrial organism with two pairs of jointed appendages attached to each of its many body segments and respires through trachea.
B	Nerels	Numerous setae on leteral appendage called parapodia.
c	Taenia sollum	Body is covered with cuticle, alimentary canal absent.
d	Ctenophores	Radially symmetrical, devoid of cnidoblasts, polpy stage present in their life cycle.

Which group of animals from the options below belong to the Phylum Arthropoda, based on their characteristic features like jointed appendages, exoskeleton and bi- or tri-segmented body?

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