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

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

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

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

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

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

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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_________

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

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Q. Plasmids are ____________

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Q. What stores the genetic information in DNA?

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

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

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

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Q. Which of the following is wrongly paired?

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

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

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

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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].

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Q. In a diploid organism with 30,000 bases haploid genome contains 23% A residues. What is the number of G residues in the genome of this organism?

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Q. Which of the following is not a characteristic of nucleotide bases?

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