Q. Which of the following function of DNA is necessary for the purpose of evolution?

View solution

Q. According to the phenotypic characters of pneumococcus considered in Griffith’s experiment of transformation, which of the following statements are correct?

i) Presence of slime layer
ii) Presence of capsule
iii) Absence of capsule
iv) Type of adhesion
v) Molecular makeup of capsule

View solution

Q. Which of the following combination is a correct observation for the transformation experiment performed by Griffith?

View solution

Q. Fredrick Griffith’s experiment involving Streptococcus pneumonia lead to the discovery of____________

View solution

Q. Definite results proving DNA to be genetic material was given by __________

View solution

Q. Which of the following statements regarding the mechanism of transformation in Bacillus subtilis is false?

View solution

Q. What were the main criteria taken under consideration for the experiment by Hershey and Chase?

View solution

Q. What combination of radiolabelling is correct in case of Hershey and Chase’s demonstration of DNA as genetic material in T2 bacteriophage?

View solution

Q. Recently, scientists have developed a procedure in which protoplasts of E. coli could be directly infected with the phage DNA. This process is termed as_________

View solution

Q. According to Mendel’s experiments gene carry genetic information from parents to offspring’s. On which plant did he perform his experiments?

View solution

Q. Plasmids are ____________

View solution

Q. What stores the genetic information in DNA?

View solution

Q. DNA always carries the genetic information for all organisms.

View solution

Q. What is the major type of RNA produced in the cell required for translation?

View solution

Q. Which macromolecule is not abundantly found though being of critical importance for biological mechanisms?

View solution

Q. Which of the following is wrongly paired?

View solution

Q. With respect to nucleosides which of the following is paired correctly?

View solution

Q. Which of the following is not a component of the nucleic acid backbone?

View solution

Q. According to Chargaff’s rule the two strands of DNA has ___________

View solution

Q. In one strand of a double stranded DNA the rate of occurrence of A is 3 times C in consecutive 10 bases. So how many G will be there in 100 base pairs of a DNA duplex?[Consider G=T in one strand].

View solution