Biology Quizzes

Biochemistry MCQs with Answers

Welcome to the Biochemistry MCQs with Answers. In this post, we have shared Biochemistry Online Test for different competitive exams. Find practice Biochemistry Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Biochemistry.

Biochemistry is a scientific discipline that explores the chemical processes and substances that occur within living organisms. At its core, the principles of biochemistry involve understanding the structure, function, and interactions of biomolecules such as proteins, nucleic acids, carbohydrates, and lipids. These molecules are fundamental to various biological processes, including cellular respiration, gene expression, and enzyme catalysis.

Medical biochemistry is a vital branch of this field, focusing on the molecular basis of health and disease. It involves the study of biochemical pathways and mechanisms that underpin physiological functions and pathological conditions. Medical biochemistry is crucial for diagnosing diseases, understanding their progression, and developing effective treatments. For instance, it aids in the identification of biomarkers for conditions like diabetes and cardiovascular diseases, contributing to more precise medical interventions.

The relationship between biochemistry and nutrition is another significant area of study. Nutrition involves the intake and metabolism of nutrients, which are essential for maintaining health and preventing disease. Biochemistry helps elucidate how nutrients such as vitamins, minerals, carbohydrates, proteins, and fats are processed and utilized by the body. This understanding is vital for developing dietary guidelines and therapeutic diets, addressing issues such as malnutrition and metabolic disorders.

Biochemistry Online Quiz

By presenting 3 options to choose from, Biochemistry Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Biochemistry Questions and Answers and click over the correct answer.

  • Test Name: Biochemistry MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Biochemistry MCQs


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1 / 40

_______________ are the primary site of protein synthesis in a cell.

2 / 40

Which enzyme is responsible for breaking down starch into maltose?

3 / 40

Which of the following is NOT a function of carbohydrates?

4 / 40

The process of making a strand of RNA from a DNA template is called _______________.

5 / 40

What is the primary function of the enzyme DNA polymerase?

6 / 40

The breakdown of fatty acids to generate ATP is known as _______________.

7 / 40

_______________ is the process by which RNA is decoded to produce a specific amino acid sequence during protein synthesis.

8 / 40

Which of the following is a type of secondary structure in proteins?

9 / 40

Which of the following is NOT a function of nucleic acids?

10 / 40

Enzymes are _______________.

11 / 40

Which of the following is a polysaccharide?

12 / 40

The process of converting glucose into pyruvate is known as _______________.

13 / 40

The building blocks of nucleic acids are _______________.

14 / 40

_______________ is the process by which green plants manufacture their own food using sunlight.

15 / 40

Which of the following is NOT a component of a nucleotide?

16 / 40

The structure of DNA was first described by _______________ and _______________.

17 / 40

Which of the following is a storage form of carbohydrates in animals?

18 / 40

The monomer units of proteins are _______________.

19 / 40

The process of converting nitrogen gas into ammonia is known as _______________.

20 / 40

The process of converting light energy into chemical energy occurs in the _______________ of plant cells.

21 / 40

_______________ is a form of RNA that carries amino acids to the ribosome during protein synthesis.

22 / 40

The bond that joins the nucleotides in a DNA molecule is called _______________.

23 / 40

Which of the following is NOT a type of lipid?

24 / 40

The primary structure of a protein refers to the _______________.

25 / 40

What is the main function of the enzyme helicase?

26 / 40

_______________ is the process by which cells capture the energy from sunlight and convert it into chemical energy.

27 / 40

The process of breaking down glucose to produce ATP in the absence of oxygen is called _______________.

28 / 40

Which of the following is a purine nitrogenous base?

29 / 40

Which of the following is NOT a type of RNA?

30 / 40

The basic building blocks of proteins are _______________.

31 / 40

Which of the following is NOT a component of an amino acid?

32 / 40

ATP stands for _______________.

33 / 40

Which of the following is NOT a function of proteins?

34 / 40

The enzyme responsible for joining Okazaki fragments during DNA replication is called _______________.

35 / 40

_______________ is the process of copying genetic information from DNA to RNA.

36 / 40

The enzyme responsible for breaking down proteins into amino acids is called _______________.

37 / 40

Which of the following is NOT a function of lipids?

38 / 40

Which of the following is a lipid-soluble vitamin?

39 / 40

The bond that holds one water molecule to another is called a _______________ bond.

40 / 40

The electron transport chain is part of which cellular process?


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