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Aptitude Test Topic: Chemistry

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

Directions

The following are questions of Chemistry. 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.

Chemistry: All Topics Practice MCQ

Question Statement:

Absorbance at 280nm exhibited by protein is due to

aliphatic amino acids
all amino acids
non-polar amino acids
aromatic amino acids

Explanation:

Correct Answer: C

Aromatic amino acids are relatively nonpolar. To different degrees, all aromatic amino acids absorb ultraviolet light. Tyrosine and tryptophan absorb more than do phenylalanine; tryptophan is responsible for most of the absorbance of ultraviolet light (ca. 280 nm) by proteins

Question: 4   Test: 2 of 15 Next Test

Tests

You are taking Aptitude Test No. 2

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 4 and Test Number 2 of Chemistry: All topics. To deal with Chemistry 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: Absorbance at 280nm exhibited by protein is due to .... with options: aliphatic amino acids , all amino acids , non-polar amino acids , aromatic amino acids can be solved with the concepts and understanding of Chemistry.