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Question

Listed below are eleven characteristics (i-xi) in Column I and the five classes (a-e) of Chordata in Column II. Match at least two characteristics with each class.

Column I Column II
i) Three chambered heart a) Pisces
ii) Feathers b) Amphibia
iii) Two-chambered heart c) Reptilia
iv) Eardrum in a pit d) Aves
v) Scales e) Mammalia
vi) External ears
vii) Gills
viii) Moist skin
ix) Horny scales on skin
x) Homeothermal
xi) Testes in scrotum

A
i) - b, ii) - e, iii) - b, iv) - d, v) - f,
vi) - f, vii) - f, viii) - c, ix) b, x) e, xi) - d
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B
i) - d, ii) - e, iii) - b, iv) - d, v) - b,
vi) - a, vii) - b, viii) - c, ix) - d, x) - e, xi) - a
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C
i) - c, ii) - d, iii) - a, iv) - c, v) - a,
vi) - e, vii) - a, viii) - b, ix) - c, x) - d, xi) - e
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D
i) - e, ii) - f, iii) - c, iv) - e, v) - c,
vi) - a, vii) - c, viii) - d, ix) - e, x) - f, xi) - a
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Solution

The correct option is C i) - c, ii) - d, iii) - a, iv) - c, v) - a,
vi) - e, vii) - a, viii) - b, ix) - c, x) - d, xi) - e
Class–––– Characteristic––––––––––––––
Pisces Two chambered heart.
Scales and Gills.
Amphibia Moist skin.
Two chambered heart.
Reptilia Eardrum in a pit.
Horny scales on skin.
Three chambered heart.
Aves Feathers.
Homeothermal.
Mammalia Testes in acrotum.
External ears.




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