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Question-1
When an organ is used, it develops and if it is not used, it weakens and becomes vestigial. This theory was given by
(A)
Darwin
(B)
Mendel
(C)
Lamarck
(D)
Aristotle
Question-2
Analogous structures are
(A)
Structurally similar
(B)
functionally similar
(C)
normally non functional
(D)
structurally and functionally similar.
Question-3
Which of the following set includes all vestigial structure of man?
(A)
ear muscle, atlas, body hair
(B)
coccyx, appendix, ear muscle
(C)
coccyx, wisdom teeth, patella
(D)
vermiform appendix, body hair, cochlea.
Question-4
The first organism was:
(A)
Aerobic
(B)
anaerobic
(C)
catabolic
(D)
both 1 & 2
Question-5
The term evolution in biology means that
(A)
Fossils are old
(B)
life began in sea
(C)
man descended from apes
(D)
living things change constantly
Question-6
Which of these are homologous organ?
(A)
Wings of bird and wings of insect
(B)
lungs of frog and gills of rohu
(C)
fins of rohu and forelimbs of horse
(D)
forelimb of man and lung of horse
Question-7
The term 'biocoenosis' was coined by
(A)
E.P. odem
(B)
Karl Mobius
(C)
Earnst Haeckel
(D)
Charles Darwin
Question-8
Fossils are
(A)
Fast runners
(B)
floating organism
(C)
animals living in borrows
(D)
remnants of extinct animals & plants
Question-9
The era of invisible life was
(A)
Proterozoic
(B)
Archacozoic
(C)
palacozoic
(D)
Mesozoic
Question-10
Which is the vestigial organ of flightless birds?
(A)
Nose
(B)
teeth
(C)
feathers
(D)
hand limbs
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Plus 2 Biology Science
ICSE/ISC
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