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Aptitude Test Topic: Biology

Biology test evaluate test taker's in-depth understanding of the subject.

Directions

The following are questions of Biology. Select the correct option to represent your answer.

To give the answer click/tap the option alphabet for your answer choice. for correct answer green check and for wrong answer a red cross will appear along with a button to show explanation with or without video of the question answer.

Biology: All Topics Practice MCQ

Question Statement:

In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of:

Use and disuse of organs

Adaptation to living in burrows

Natural selection

Inheritance of acquired characters

Explanation:

Correct Answer: A

Sol. Lamarckism is the idea that an organism can pass one characteristic that it acquired during its lifetime to its offspring.It is named after Lamarck who incorporated following two ideas into his theory of evolution, which are considered to be generally true: 1. Use and disuse of organs – Individuals lose characteristics which they do not require (or use) and develop characteristics that are useful. 2. Inheritance of acquired traits – Individuals inherit the traits of their ancestors. In the context of organic evolution as explained by Lamarck, the loss of limbs in snakes in explained by the phenomenon of use and disuse or organs.

Question: 1 Test: 8 of 13 Next Test

Tests

You are taking Aptitude Test No. 8

Each aptitude test is comprised of 10 except the last test which might have fewer than 10 in some topics.

You are at question (MCQ) number 1 and Test Number 8 of Biology: All topics. To deal with Biology questions, you must take lesson on the subject. In case of science and Art subjects revise your text books and in case of general aptitude topics take lessons from the topic page.

The question: In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of: .... with options: Use and disuse of organs, Adaptation to living in burrows, Natural selection, Inheritance of acquired characters can be solved with the concepts and understanding of Biology.