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The splint bone of present day horse is a vestige of :

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Important Questions on Evolution

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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Ordinary Thinking>Q 39
Vestigial organs occur as
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Ordinary Thinking>Q 40
Occurrence of vestigial organs is not explained by
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Ordinary Thinking>Q 41
Vestigial pelvic girdle and bones of hind limbs are the characteristics of
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Ordinary Thinking>Q 42

Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as

 Or

Random unidirectional change in allele frequencies that occur by chance in all population and especially in small populations is known as

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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Ordinary Thinking>Q 43
Archaeopteryx, a transitional fossil between birds and reptiles was discovered from the rocks of following period : 
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Ordinary Thinking>Q 44
Which of the following is commonly called "age of mammals and birds"
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Ordinary Thinking>Q 45
The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Ordinary Thinking>Q 46
Appearance of ancestral characters in the new borns, such as tail, monstral face, gill slits, multiple mammae etc. are known as
Or
Presence of tail in a child is an example of