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Chapter 4 of 12
Important Questions

Enzymes and Bioenergetics

CBSE · Class 11 · Biotechnology

Most important questions from Enzymes and Bioenergetics for CBSE Class 11 Biotechnology board exam 2026. MCQs, short answer, and long answer questions with marks.

58 questions80 flashcards5 concepts

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58 Questions·
multiple choicemultiple correct

Sample Questions

1multiple choice
1 marks

Which enzyme is an example of geometrical specificity?

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Fumarase

Fumarase catalyses the interconversion of fumarate and malate and is given as an example of geometrical specificity.

2multiple choice
1 marks

Which enzyme is an example of stereochemical or optical specificity?

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D-amino acid oxidase

D-amino acid oxidase catalyses oxidation of D-amino acids to keto acids, showing stereochemical or optical specificity.

3multiple choice
1 marks

Which enzyme is active even at 100°C and is present in Thermus aquaticus?

Show answer

Taq DNA polymerase

Taq DNA polymerase from thermophilic bacteria Thermus aquaticus is active even at 100°C.

4multiple choice
1 marks

Which pair correctly matches a reversible inhibition type with its category?

Show answer

Competitive inhibition and reversible inhibition

Competitive inhibition is one of the three reversible inhibition types, along with non-competitive and uncompetitive inhibition.

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Frequently Asked Questions

What are the important topics in Enzymes and Bioenergetics for CBSE Class 11 Biotechnology?
Enzymes and Bioenergetics covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Enzymes and Bioenergetics — CBSE Class 11 Biotechnology?
Understand the core concepts first, then work through the 58 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Enzymes and Bioenergetics?
There are 58 practice questions available for Enzymes and Bioenergetics. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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