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Biology Biological Molecules Online Quiz Test MCQs

To help our visitors in preparing for their all Biology subject related written exams in best possible way, we have provided a free online quiz below which includes important questions and answers about the biological molecules. Just attempt the quiz in order to check and also improve your overall preparation level.

Biology Biological Molecules Online Quiz Test MCQs


1. A basic knowledge of Biochemistry is essential for understanding:

Question 1 of 15

2. A branch of Biology, which deals with the study of chemical components  and chemical process in living organisms is known as:

Question 2 of 15

3. Most of the cellular secretions are in the form of:

Question 3 of 15

4. Nucleohistones are present in:

Question 4 of 15

5. The whole metabolism of the cell is controlled by the proteinaceous agents called:

Question 5 of 15

6. All the information of the structure and functioning of the cell is stored in:

Question 6 of 15

7. Pyrimidines nitrogenous bases include:

Question 7 of 15

8. Pentose sugar in ribonucleotide is:

Question 8 of 15

9. The nucleoside forms a nucleotide after combining with a:

Question 9 of 15

10. The survival of an organism depends upon its ability to take some chemicals from its environment and use them to make chemicals of its own:

Question 10 of 15

11. Name the first microbe to have the genome completely sequenced:

Question 11 of 15

12. Two different molecules, belonging to different categories, usually combine together to form:

Question 12 of 15

13. All living things are made of certain chemical compounds, which are generally classified as:

Question 13 of 15

14. Some proteins work as carrier and transport specific substances such as oxygen, lipids, metal ions, etc. known as:

Question 14 of 15

15. Photosynthesis, respiration, digestion and muscle contraction can all be described in:

Question 15 of 15


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  1. 93%

  2. All the information of structure n functioning of cell is stored in DNA not protein..

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