Every question from past board papers on DNA as genetic material, DNA and RNA structure, DNA packaging, newest paper first. Open any question for its full worked answer.
Match List I with List II :
List-I: A. Alfred Hershey and Martha Chase; B. Euchromatin; C. Frederick Griffith; D. Heterochromatin
List-II: I. Streptococcus pneumoniae; II. Densely packed and dark-stained; III. Loosely packed and light-stained; IV. DNA as genetic material confirmation
Choose the correct answer from the options given below :
Histones are enriched with -
Match List I with List II
List I: A. Frederick Griffith; B. Francois Jacob & Jacque Monod; C. Har Gobind Khorana; D. Meselson & Stahl
List II: I. Genetic code; II. Semi-conservative mode of DNA replication; III. Transformation; IV. Lac operon
Choose the correct answer from the options given below:
Unequivocal proof that DNA is the genetic material was first proposed by
If the length of a DNA molecule is 1.1 metres, what will be the approximate number of base pairs ?
If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it ?
Which one of the following statements about Histones is wrong ?
If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is \(6.6\times10^9\) bp, then the length of the DNA is approximately :
Which of the following statements is correct ?
Purines found both in DNA and RNA are :
Select the *correct* match :
The association of histone H1 with a nucleosome indicates :
The final proof for DNA as the genetic material came from the experiments of :
A molecule that can act as a genetic material must fulfill the traits given below, except
