Biology Biological Molecules Online Mcqs Test

Iqra RaniLast Updated: October 14, 2025

Start your preparation for Biology Biological Molecules Online Mcqs Test. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

Important Biology Biological Molecules Question and Answer

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Biology Test
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Biology Biological Molecules Practice Test Online With Explanation

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Medical Subject

1. All the chemical reaction taking place within a cell are collectively called ?

2. In amino acids the peptide bond is formed by the combination of carbon with ?

3. Water has great ability of absorbing heat with minimum of change in its own ?

4. Water works as temperature stabilizer for organisms in the environment and hence protects living material against sudden ?

5. Water is affective lubricant that provides protection against damage resulting from ?

6. 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 ?

7. Large organic molecules such as cellulose, fats proteins are also known as ?

8. The specific heat of vaporization of water is 574 Kcal/Kg which plays an important role in the regulation heat produced ?

9. Carbon is the basic element of ?

10. At 25 the concentration of each of H and OH ions in pure water about ?

A=10 <sup>-7 </sup> mole/liter

 B=10 <sup>-16 </sup>mole/liter

C=10 <sup>-6 </sup>mole/liter

D=10 <sup>-17 </sup>

11. Human tissues contain about 20% water in bone cells and 85% in ?

12. Almost all the reactions of a cell occur in the presence of ?

13. Those reactions in which simpler substances are combined together to form complex substances are called ?

14. Water also forms a fluid cushion around organs that helps to protect them from ?

15. A basic knowledge of Biochemistry is essential for understanding ?

16. Milk,sugar,starches,paper, and root tubers are example of ?

17. In different organisms the amount of water varies from ?

18. Evaporation of only two ml out of one litre of water, lowers the temperature of the remaining 998 ml by ?

19. Photosynthesis, respiration, digestion and muscle contraction can all be described in ?

20. Life of an organism depends upon the ceaseless chemical activities in its ?

21. A branch of Biology which deals with the study of chemical components and chemical processes in living organisms is known as ?

22. All living things are made of certain chemical compounds, which are generally classified us ?

23. Covalent bond stores large amount of ?

24. When a carbon atom combines with four atoms or radicals the four bonds are arranged symmetrically in a ?

25. C-C bonds form a skeleton of ?


 

How to Score High in Biology Biological Molecules Online Mcqs Test?

Mastering scientific subjects requires conceptual clarity. This online test helps you prepare for Board Exams and Entry Tests (MDCAT/ECAT).

Key Preparation Tips:

  • Concepts First: Ensure you understand the underlying theories before attempting the MCQs.
  • Formulas: For Physics/Maths, write down the formulas on a separate sheet while solving this quiz.
  • Time Management: Attempt this online quiz multiple times to improve your speed.

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Iqra RaniLast Updated: October 14, 2025

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51 Comments

  12. Hey there just wanted to give you a quick heads up. The text in your post seem to be running off the screen in Internet explorer. I’m not sure if this is a format issue or something to do with internet browser compatibility but I figured I’d post to let you know. The design and style look great though! Hope you get the issue fixed soon. Thanks

    Reply

  13. Terrific post however , I was wanting to know if you could write a litte more on this topic? I’d be very grateful if you could elaborate a little bit more. Appreciate it!

    Reply

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