Class 12 Biology Mock Test. We covered all the Class 12 Biology Mock Test MCQs in this post for free so that you can practice well for the exam.
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Class 12 Biology Mock Test Objective for Students
Darwin believed that certain parts of the body get larger through generations because
(a) they are used more extensively than other parts.
(b) they contribute to greater reproductive success.
(c) they are predetermined to do so.
(d) they are most similar to God’s performance.
Option b – they contribute to greater reproductive success
Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
(a) Isolation
(b) Mutation
(c) Natural selection
(d) Sexual reproduction
Option b – Mutation
The mutation theory of evolution was enunciated by
(a) Huxley
(b) Darwin
(c) Lamarck
(d) Hugo de Vries
Option d – Hugo de Vries
The reason for the large-scale diversity among organisms is
(a) Adaptation
(b) Cooperation
(c) Mutation
(d) Polyploidy
Option a – Adaptation
We covered all the class 12 biology mock test mcqs above in this post for free so that you can practice well for the exam.
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