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21 questions · timed · auto-graded

Question 51 Mark
The principle of inheritance of acquired characters was seriously criticised by ____________ in ____________
Answer
August Weismann, 1892
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Question 91 Mark
____________ is a branch of science that deals with the history and evolution of organisms, particularly the origin and descent of species, as well as their changes over time.
Answer
Evolutionary biology
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Question 101 Mark
Evolution does not change any ____________ rather it represents genetic change in a ____________
Answer
individual, population
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Question 121 Mark
Evolutionary trees such as this are properly understood by scientists to be ____________
Answer
hypothetical
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Question 141 Mark
Wings of birds like ostrich have become weak due to disuse. ____________ used this example to explain his theory of evolution.
Answer
Lamarck
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Question 151 Mark
The evolutionary tree of Lamarckism is ____________ whereas that of Darwinism is ____________
Answer
Linear, branching
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Question 161 Mark
Oysters lay 60-80 million eggs in a single spawn this is an example of . ____________
Answer
overproduction
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Question 181 Mark
Part of the large intestine that is functionless in the human body is the ____________
Answer
vermiform appendix
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Question 211 Mark
The evolutionary tree of Lamarckism is ____________ whereas that of Darwinism is ____________
Answer
linear, branched
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Fill in the blanks. - Biology STD 10 Questions - Vidyadip