Biology MCQs For WBCS Exam
WBCS BIOLOGY MCQ Q1.
The richest source of fossils is
(a) basalt
(b) granite
(c) lava
(d) sedimentary rock
Ans. (d)
WBCS BIOLOGY MCQ Q2.
Biologists who study the sequences of organisms in the fossil record are
(a) taxonomists
(b) palaeobiologists
(c) misologists
(d) systematists
Ans. (b)
WBCS BIOLOGY MCQ Q3.
Which were dominant in Mesozoic?
(a) Dinosaurs
(b) Gymnosperms
(c) Fishes
(d) Mammals
Ans. (a)
WBCS BIOLOGY MCQ Q4.
The “Golden age of Reptiles” was
(a) Late Paleozoic
(b) Cenozoic
(c) Mesozoic
(d) Proterozoic
Ans. (c)
WBCS BIOLOGY MCQ Q5.
The fossil remains of Archaeopteryx is a connecting link between
(a) amphibians
(b) reptiles and birds
(c) fish and amphibians
(d) reptiles and mammals
Ans. (a)
WBCS BIOLOGY MCQ Q6.
Which of the following set is the evidence of evolution?
(a) Homologous and vestigial organs
(b) Analogous and vestigial organs
(c) Homologous and analogous organs
(d) All of the above
Ans. (a)
WBCS BIOLOGY MCQ Q7.
Of the following anatomical structures, which is homologous to the wing of a bat?
(a) The arm of a human
(b) The wing of a butterfly
(c) The tail of a fish
(d) The dorsal fin of a shark
Ans. (a)
WBCS BIOLOGY MCQ Q8.
Which one of the following sets of structures includes only analogous organs?
(a) Wings of butterfly, housefly and bat
(b) Hind legs of horse
(c) Hands of man, monkey and kangaroo
(d) Mandibles of cockroach, mosquito and honeybee
Ans. (a)
WBCS BIOLOGY MCQ Q9.
Which of the following set represents all vestigial structures in the human body?
(a) Vermiform appendix, body hair and cochlea
(b) Wisdom teeth, coccyx and patella
(c) Coccyx, vermiform appendix and muscles of ear pinna
(d) Body hair, muscles of ear pinna and atlas vertebra
Ans. (c)
WBCS BIOLOGY MCQ Q10.
The earliest animal to have been domesticated by man most likely the
(a) horse
(b) pig
(c) dog
(d) cow
Ans. (c)
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