CBSE
Multiple Choice QuestionsWhich of the following is not a vestigial structure in Homo sapiens ?
Third molar
Epiglottis
Plica semilunaris
Pyrimidalis muscle
The diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos islands, as observed by Darwin, provides evidence for
Origin of species by natural selection
Intraspecific Variations
Intraspecific competition
Interspecific competition
The presence of diversity at the junction of territories to two different habitats is known as
bottleneck effect
edge effect
junction effect
Pasteur effect
Which of the following provides most evident proof of evolution?
Fossils
Morphology
Embryo
Vestigial organs
About how long ago was the earth formed
3 billion years ago
10 billion years ago
4.6 billion years ago
20 billion years ago
Human ancestors who left cave paintings were
Neanderthal man
Cro- magnon man
Java ape man
Peking man
Pneumatic bones are expected to be found in
house lizard
flying fish
pigeon
tadpole of frog
Total number of bones in the hindlimb of a man is
14
21
24
30
During which geological period of evolution did the greatest diversification of life occurred on the earth?
Permian
Jurassic
Cambrian
Ordovician
Age of fishes is also known as
Permian Era
Silurian Era
Devonian Era
Ordovician Era
