Related InterviewSolutions

• Which are likely to be present in deep sea waterA. ArchaebacteriaB. EubacteriaC. Blue-green algaeD. Saprophytic fungi
• Organisms which obtain energy by the oxidation of reduced inorganic compounds are called:A. homoautotrophsB. chemoautotrophsC. saprozoicD. coproheterotrophs
• What is true about archaebacteriaA. All halophilesB. All photosyntheticC. All fossilsD. Oldest living beings
• Which one of the following statements about viruses is correctA. Nucleic acid of viruses is known as capsiddB. Viruses possess heir own metabolic systemC. All viruses contain both RNA and DNAD. Viruses are obligate parasites
• Which of the following statements is not true for retrovirusesA. DNA is not present at any stage in the life cycle of retrovirusesB. Retroviruses carry gene for RNA dependent DNA polymeraseC. The genetic material in mature retroviruses is RNAD. Retroviruses are causative agens for certain kinds of cancer in man
• Tobacco Mosaic Virus (TMV) genome isA. double stranded RNAB. single stranded RNAC. polyribonucleotidesD. proteinaceous
• Interferons areA. antiviral proteinsB. antibacterial proteinsC. anticancer proteinsD. complex proteins
• The main difference between Gram positive and Gram negative bacteria lies in the composition ofA. cell wallB. cell membraneC. cytoplasmD. flagella
• the main role of bacteria in the carbon cycle involvesA. photosynthesisB. chemosynthesisC. digestion or breakdown of organic compoundsD. assimilation of nitrogenous compounds
• Photosynthetic pigments of bacteria are located inA. leucoplastsB. chloroplastsC. chromoplastsD. chromatophores