Q.2 Ames test is used to determine (A) the mutagenicity of a chemical (B) carcinogenicity of a chemical (C) both mutagenicity and carcinogenicity of a chemical (D) toxicity of a chemical
1 Answer Expressed Sequence Tag is defined as (A) a partial sequence of a codon randomly selected from cDNA library (B) the characteristic gene expressed in the cell (C) the protein coding DNA sequence of a gene (D) uncharacterized fragment of DNA present in the cell
1 Answer Q.3 The bacteria known to be naturally competent for transformation of DNA is (A) Escherichia coli (B) Bacillus subtilis (C) Mycobacterium tuberculosis (D) Yersinia pestis
1 Answer In a chemostat operating under steady state, a bacterial culture can be grown at a dilution rate higher than maximum growth rate by (A) partial cell recycling (B) using sub-optimal temperature (C) pH cycling (D) substrate feed rate cycling
1 Answer Mention any one significant difference between each of the following: (i) Aldoses and ketoses (ii) Pluripotent and multipotent cell
1 Answer Write any two examples of each of the following plant hormones commonly used in media preparation: (i) Auxins. (ii) Cytokinins.
1 Answer Explain the method of DNA sequencing using automated DNA sequencing technique.
1 Answer What type of information is obtained from each of the following databases: (i) Taxonomy Browser (ii) PDB.
1 Answer State the main achievements of the Human Genome Project.
1 Answer Mention the significance of plants obtained by each of the following types of plant tissue culture techniques. (i) Callus Culture (ii) Organogenesis (iii) Somatic Embryogenesis
1 Answer
Sourav Pan
Sourav Pan
Sourav Pan
Sourav Pan
Sourav Pan
Sourav Pan
Sourav Pan
BNO Team