NCERT Class 12 Biology MCQ : Molecular Basis of Inheritance

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Molecular Basis of Inheritance
Molecular Basis of Inheritance

NCERT Class 12 Biology MCQ : Molecular Basis of Inheritance

Embark on a journey into the intricate world of genetics with our MCQs page on the “Molecular Basis of Inheritance.” Curated from previous year papers across diverse sectors, including UPSC IAS and more, this comprehensive resource is tailored to deepen your understanding of the fundamental molecular mechanisms that govern inheritance. Whether you’re a student preparing for exams or a professional exploring genetic principles, this page offers a strategic and efficient learning experience.

Immerse yourself in a series of multiple-choice questions designed to reflect the real-world challenges encountered in various exams. Explore the complexities of DNA, RNA, replication, transcription, and translation, unraveling the molecular secrets that underlie the inheritance of genetic information. Our user-friendly platform facilitates effective learning, allowing you to refine your problem-solving skills and deepen your grasp of molecular genetics.

Prepare with confidence, armed with insights from past papers, and elevate your proficiency in understanding and applying the molecular basis of inheritance through our specialized MCQs

NCERT Class 12 Biology : Molecular Basis of Inheritance MCQ – NCERT Class 12 MCQ

Question:
Represser Lac-Operon protein attached to:
  • A
  • B
  • C
  • D
Question:
Following is important in Ïranscription:
  • A
  • B
  • C
  • D
Question:
Anticodon found in:
  • A
  • B
  • C
  • D
Question:
In DNA helix:
  • A
  • B
  • C
  • D
Question:
During splicing axon attached and inducer enzyme for reaction:
  • A
  • B
  • C
  • D
Question:
During DNA synthesis formed segment is:
  • A
  • B
  • C
  • D
Question:
In a give DNA segment ATC ACC AGG ACC CCA ACA, the first base gets mutated. The effect of this on coding by the DNA segment will result in :
  • A
  • B
  • C
  • D
Question:
DNA fragments are joined in a correct sequence
  • A
  • B
  • C
  • D
Question:
The ratio constant for a species is :
  • A
  • B
  • C
  • D
Question:
DNA repairing is done
  • A
  • B
  • C
  • D
Question:
A ribotide is made up of
  • A
  • B
  • C
  • D
Question:
the enzyme involved in transcription is
  • A
  • B
  • C
  • D
Question:
Antiparallel strands of a DNA molecule means that:
  • A
  • B
  • C
  • D
Question:
Which one is mainly transcribed:
  • A
  • B
  • C
  • D
Question:
Amino acid sequence, in protein synthesis is decided by the sequence of?
  • A
  • B
  • C
  • D
Question:
During Protein synthesis, atone point the process comes to a halt. Select the group of the three codons from the following, from which any one of the three could bring about this halt
  • A
  • B
  • C
  • D
Question:
One turn of the helix in p-from DNA is approximately:
  • A
  • B
  • C
  • D
Question:
Which is not component of lac operon
  • A
  • B
  • C
  • D
Question:
Okazaki fregments
  • A
  • B
  • C
  • D
Question:
Transposons occur in:
  • A
  • B
  • C
  • D

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