Prepare for NEET Biology Molecular Basis of Inheritance with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert explanations of DNA replication and genetics.
Which nitrogenous base is found in DNA but NOT in RNA?
Adenine
Guanine
Cytosine
Thymine
Which of the following nitrogenous bases is NOT found in DNA?
Adenine
Guanine
Cytosine
Uracil
Which of the following nitrogenous bases are purines found in both DNA and RNA?
Adenine and Guanine
Cytosine and Thymine
Uracil and Thymine
Guanine and Uracil
Identify the purine bases common to both DNA and RNA molecules.
Adenine and Guanine
Cytosine and Thymine
Adenine and Cytosine
Guanine and Thymine
Which two purines are essential components of both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)?
Adenine and Guanine
Cytosine and Uracil
Thymine and Uracil
Adenine and Thymine
If a nucleic acid sample contains both adenine and guanine, what can be inferred about the type(s) of nucleic acid present?
The sample could contain DNA, RNA, or both.
The sample must be DNA.
The sample must be RNA.
The sample cannot contain either DNA or RNA.
Read the following statements and state them as true (T) and False(F) A) DNA and RNA function as genetic material B) Nucleic acids are monomers of nucleotides. C) Adenine, Guanine, Cytosine, Uracil and Thymine are nitrogenous bases. Choose the correct option
A-T, B-F, C-T
A-F, B-T, C-T
A-T, B-T, C-F
A-F, B-F, C-T
Given below is the percentage of nitrogenous bases present in four different samples of the genetic material. Identify, which sample belongs to an RNA virus
Sample A : A – 23%, G – 27%, C – 27%, T – 23%
Sample B : G – 22%, A – 28%, C – 22%, T – 28%
Sample C : U – 32%, G – 23%, C – 23%, A – 32%
Sample D : C – 8%, A – 42%, G – 8%, T – 42%
Which of the following is in correct w.r.t nucleosides?
Cytosine
Guanosine
Adenosine
Uridine
