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Forelimbs of whales, bats, humans and cheetah are examples of which of the following processes?

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Important Questions on Evolution

MEDIUM

Statement I: Organs which have similar structure and origin but perform different functions are called analogous organs.
Statement II : The sudden appearance of some vestigial organs in a better developed condition is called atavism

The correct option among the following is

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Embryological support for evolution was disapproved by
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Convergent evolution is illustrated by ___.
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Which of the following is an example of convergent evolution?
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Which of the following represents the order of 'Horse'?
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In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of
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Flippers of Penguins and Dolphins are examples of
MEDIUM
A human population containing 200 individuals has two alleles at the 'T' locus, named T and t. T, which produces tall individuals, is dominant over t, which produces short individuals. If the population has 90 TT, 40 Tt and 70 tt genotypes, what will be the frequencies of these two alleles in this population?
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Which one of the following are analogous structures?
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The ________ theory attempts to explain to us the origin of the universe.
MEDIUM

Match List-I with List-II.

List-I List-II
(a) Adaptive radiation (i) Selection of resistant varieties due to excessive use of herbicides and pesticides
(b) Convergent evolution (ii) Bones of forelimbs in Man and Whale
(c) Divergent evolution (iii) Wings of Butterfly and Bird
(d) Evolution by anthropogenic action (iv) Darwin Finches
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Which of the following structures is homologous to the wing of a bird?
MEDIUM
Which of the following does not show divergent evolution?
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Seymouria represents the evolutionary biological link between the following organisms
MEDIUM
The similarity of bone structure in the forelimbs of many vertebrates is an example of:
MEDIUM
In a species, the weight of the newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 and 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?
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Of the periods listed below, which ONE is the earliest period when Ostracoderms, the jawless and finless fishes, appeared?

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Organic compounds first evolved in earth required for origin of life were :
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The wings of a bird and the wings of an insect are:
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Analogous structures are a result of: