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Trilobites were evolved during which one of the following periods?

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Important Questions on Evolution

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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Critical Thinking>Q 10
Which one of the following evidences does not favour the Lamarckian concept of inheritance of acquired characters
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Critical Thinking>Q 11
Which of the following is the correct sequence of events in the origin of life?
 I. Formation of protobionts
II. Synthesis of organic monomers
III. Synthesis of organic polymers 
IV.  Formation of DNA-based genetic systems.
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Critical Thinking>Q 12
Present day mammals have their predecessor in
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Critical Thinking>Q 13
Adaptation of a species is its
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Critical Thinking>Q 14
Which one of the following sequences was proposed by Darwin and Wallace for organic evolution:
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Critical Thinking>Q 15
In the developmental history of the mammalian heart, it is observed that it passes through a two-chambered fish like heart, three-chambered frog like heart and finally four-chambered stage. To which hypothesis can this above cited statement be approximated?
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Critical Thinking>Q 16
Organisms which obtain energy by the oxidation of reduced inorganic compounds are called:
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NTA Errorless Biology Volume-2>Chapter 7 - Evolution>Critical Thinking>Q 17
Some important evidences of organic evolution are