#cloning vectors

ZOOLOGY

Which of the following statements about cloning vectors is incorrect?

Cloning vectors contain an origin of replication, allowing them to replicate independently inside a host ll. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

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ZOOLOGY

Which of the following statements about cloning vectors is correct?

Cloning vectors must contain an origin of replication to allow independent replication inside a host ll. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.

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Biosafety and Overview of Applications

Which of the following is correct about plasmids used in genetic engineering?

Plasmids are circular DNA molecules that replicate independently within host cells and are often used as_x000D_ vectors in genetic engineering.

Ref: NCERT Class 12 Biology Chapter 10: Biotechnology and its Applications Biosafety and Overview of Applications

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following statements about cloning vectors is correct?

Cloning vectors must contain an origin of replication to allow independent replication inside a host cell.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following statements about cloning vectors is incorrect?

Cloning vectors contain an origin of replication, allowing them to replicate independently inside a host cell.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following statements about vectors in genetic engineering is incorrect?

Vectors often contain selectable markers, such as antibiotic resistance genes, to help identify transformed cells.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following statements about cloning vectors is incorrect?

Cloning vectors can replicate inside a host cell due to the presence of an origin of replication.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following statements about selectable markers is incorrect?

Selectable markers do not inhibit bacterial growth but rather help distinguish transformed from non-transformed cells.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following statements about cloning vectors is incorrect?

Cloning vectors contain selectable markers, such as antibiotic resistance genes, to help identify transformed cells.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following is NOT a component of a cloning vector?

Ribosomes are involved in protein synthesis, not in DNA replication or vector construction.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following statements about cloning vectors is incorrect?

Cloning vectors contain an origin of replication, allowing them to replicate independently inside a host cell.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

Which of the following is NOT a feature of a good cloning vector?

A good cloning vector must have an origin of replication to ensure its multiplication inside the host cell.

Ref: NCERT Class 12 Biology Chapter 9: Biotechnology: Principles and Processes Cloning Vectors - Plasmids Phages Cosmids Selectable Markers Ori

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