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Q69.Choose the correct statement. A. Mean, median and mode are measures of central tendency.B. Range, quartile range and standard deviation are the measures of spread or variability.C. Variance is the […]

Q68.The animals having segmented body belong to the phylum A. Protozoa B. Cnidaria C. Ctenophora D. Annelida E. Arthropoda Choose the correct answer from the options given below : (1) […]

Q67.Which of the following are correct for MHC-I molecule? A. GlycoproteinB. Expressed by nearly all nucleated cellsC. Present antigen to Tₕ (T-helper) cellsD. Peptide-binding domain is α1 and β1 Choose […]

Q66.Pernicious anemia is a result of A. Deficiency of Vitamin B₂B. Deficiency of Vitamin CC. Blockage of Vitamin B₁₂ absorptionD. Blockage of Vitamin A absorptionE. Lack of proteins in diet […]

Q65.Choose the correct statement. A. Differential gene expression can occur only at the level of transcription.B. RNA polymerase binds to the promoter region to initiate transcription.C. Enhancers regulate transcription.D. Transcription […]

Q64.Given below are two statements : Statement I : Migration refers to regular, recurrent and cyclical movement of animals from one place to the other. Statement II : Migration occurs […]

Q63.Match List I with List II List IA. SavannahB. TaigaC. Temperate grasslandD. Temperate broadleaf forest List III. North American PlainsII. Home of ants, antelopes and lionsIII. Deciduous trees, such as […]

Q62.Given below are two statements : Statement I : Hypothalamus regulates emotions and behaviour. Statement II : Hypothalamus controls body temperature. In the light of the above statements, choose the […]

Q61.Given below are two statements: Statement I:Myoglobin and haemoglobin are oligomeric proteins. Statement II:Myoglobin and haemoglobin are heme-containing proteins. In the light of the above statements, choose the most appropriate […]

Q60.Given below are two statements : Statement I : In non-competitive type of enzymatic inhibition, the Vmax decreases and km remains unchanged. Statement II : Temperature below freezing point causes […]