The short fragment of DNA produced in the lagging strand during duplication is known as

(1)Okazaki fragments

(2)RNA primer

(3)Leading strand

(4)Recombinant DNA

Subtopic:  DNA Replication:III | DNA Replication |
 94%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

How many times can the nuclear DNA replicate during the life cycle of a cell?

(1)Only once

(2)Twice

(3)Many times

(4)Does not replicate at all

Subtopic:  DNA Replication: I | DNA Replication |
 55%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

In DNA replication, the two strands of a daughter DNA molecules are derived as follows

(1) one strand from parent DNA and the other freshly synthesized

(2) both strands from parent DNA

(3) both strands synthesized as templates on parent strands

(4) both strands synthesized on RNA templates of parent strands

Subtopic:  DNA Replication: I | DNA Replication |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

DNA replication in most organisms is

(1)conservative and continuous

(2)semi-conservative but discontinuous

(3)semi-conservative and semi-discontinuous

(4)semi-conservative but continuous

Subtopic:  DNA Replication: I | DNA Replication |
 63%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Borne viruses do not have DNA. This suggests that

(1)They are non-infective viruses

(2)RNA is the genetic material in these viruses

(3)DNA is not the genetic material

(4)RNA is a self replicating molecule

Subtopic:  Transcription: I | Transcription |
 83%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The central dogma is

(1)Direction of flow of information from DNA→RNA→proteins

(2)the transfer of genetic information from same strand of DNA to m-RNA

(3)The faithful transfer of genetic information from DNA molecule to the next generation molecule through semi conservative mechanism

(4)Mendelism has established the principles of heredity

Subtopic:  Transcription: I | Transcription |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The core enzyme which requires the factor for termination of RNA synthesis at some sites is known as

(1)Sigma factor

(2)Rho factor

(3)Gamma factor

(4)Alpha particle

Subtopic:  Transcription: III | Transcription |
 91%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

In a DNA% of T is 20% then what will be the % of G?

(1)20%

(2)40%

(3)30%

(4)60%

Subtopic:  The DNA |
 89%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Role of DNA in heredity was discovered for the first time through experiments involving

(1)Transformation using E.coli

(2)Transduction involving bacteriophage

(3)The use of enzymes protease and nuclease

(4)Transformation using heat killed virulent and living non virulent S.pneumoniae

Subtopic:  Search for Genetic Material:I | Search for Genetic Material |
 64%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

In 125 amino acids, sequence of the codon for 25th amino acid is mutated to UAA, then

(1)A polypeptide of 24 amino acids is formed

(2) A polypeptide of 124 amino acids is formed

(3) A polypeptide of 25 amino acids is formed

(4) No polypeptides are formed

Subtopic:  Translation | Translation Mechanism |
 81%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints