Class 12 Biology: Evolution Fundamentals

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Q1 · MCQ · 1 mark
The theory of 'use and disuse' of organs was proposed by:
Q2 · MCQ · 1 mark
Which of the following is considered the 'Age of Reptiles'?
Q3 · FILL · 1 mark
The process by which organisms with traits better suited to their environment tend to survive and reproduce more offspring is called __________.
Q4 · MCQ · 1 mark
Homologous organs are those that have:
Q5 · MCQ · 1 mark
The industrial melanism observed in peppered moths (Biston betularia) is an example of:
Q6 · SHORT · 2 marks
Define the term 'adaptive radiation'.
Q7 · FILL · 1 mark
The preserved remains or traces of organisms from the past are known as __________.
Q8 · MCQ · 1 mark
Which of these is not considered an evidence for organic evolution?
Q9 · FILL · 1 mark
The 'origin of species by means of natural selection' was written by __________.
Q10 · SHORT · 2 marks
Briefly explain what analogous organs indicate about evolution.
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