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Important Questions

Basic Processes

CBSE · Class 11 · Biotechnology

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

86 questions100 flashcards5 concepts

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86 Questions·
multiple choicemultiple correct

Sample Questions

1multiple choice
1 marks

What was the main conclusion of Avery, Macleod and McCarty's experiment?

Show answer

DNA is the likely transforming principle

When DNase destroyed transformation, it showed that DNA was essential for the transforming activity.

2multiple choice
1 marks

Which enzyme treatment stopped transformation in Avery, Macleod and McCarty's experiment?

Show answer

DNase

DNase degrades DNA. Since transformation did not occur after DNase treatment, DNA was identified as the transforming principle.

3multiple choice
1 marks

Which molecule enters bacterial cells in the Hershey-Chase experiment?

Show answer

DNA from the phage

The radioactive DNA label entered the bacterial cells, showing that DNA entered and carried genetic information.

4multiple choice
1 marks

Which isotope labelled DNA in the Hershey-Chase experiment?

Show answer

32P

DNA contains phosphorus, so radioactive 32P was used to label the DNA of T2 phages.

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Frequently Asked Questions

What are the important topics in Basic Processes for CBSE Class 11 Biotechnology?
Key topics in Basic Processes include Chapter Overview: Basic Processes, Basic Processes - Complete Chapter Concept Map, Correct vs Incorrect: Strand Terminology in Transcription. These are the concepts CBSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Basic Processes — CBSE Class 11 Biotechnology?
Understand the core concepts first, then work through the 86 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 Basic Processes?
There are 86 practice questions available for Basic Processes. 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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