NEET UG BIOLOGY MCQ: EVOLUTION

1 Hard

1 of 1

Understanding +4 | -1

Which of the following statements are correct? I. Directional selection favours one extreme form over the other extreme and over intermediate forms of a trait,  II. Stabilising selection favours the intermediate forms of a trait, III. Disruptive selection favours both the extreme forms of a trait,  IV. Fossils are the remnants of hard parts of life forms present in rocks,  V. A study of fossils in different sedimentary layers indicates the geological period in which they live, VI. Radio isotopes are often used to determine the age of the fossils,  VII. Study of fossils is called Palaeontology,  VIII. Most fossils are found in sedimentary rocks,  IX. The unit of evolution is population.

View answer and explanation

Correct option: B

All except IV, V and II

Option A is correct because statements IV, V, and II are incorrect regarding fossils, geological periods, and stabilizing selection.

More Questions from EVOLUTION

Practice All Chapter MCQs →

The main point of Darwin’s theory is Which one of the following is not a vestigial structure in Homo sapiens? The brain capacities of Homo habilis were Assertion (A): In mammals the forelimbs perform different functions.

Reason (R): The forelimbs in different mammals consist of different sets of bones. Identify the phenomenon in which the members of a species do not interbreed with the members of other species or same species Assertion: Organic compounds first evolved in earth required for origin of life were protein and nucleic acid.
Reason: All life forms were in water environment only.