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Q.89 Mendel deduced the genetic principle of inheritance by experimenting on sweet peaplants. One of the experiments involved crossing plants with two contrastingcharacters, tall (dominant) and dwarf (recessive), which yielded […]

Q.88 The action of which class of enzyme inhibitors can be reversed by adding an excessof substrate?(A) Uncompetitive inhibitors(B) Competitive inhibitors(C) Non-specific inhibitors(D) Allosteric inhibitors Competitive inhibitors are the class of […]

Q.87 To which class of Drosophila developmental genes does fushi tarazu (ftz) belong?(A) Gap genes(B) Segment polarity genes(C) Pair rule genes(D) Maternal effect genes Fushi tarazu (ftz) belongs to the […]

Q.86 Which one of the following animals develops adaptive predator avoidancemorphology because of the presence of high predator number in its habitat?(A) Daphnia sp.(B) Scaphiopus sp.(C) Wolbachia sp.(D) Rhodnius sp. […]

Q.85 Which one of the following organic compounds is composed of only (i) a nitrogencontaining base, (ii) a single five-carbon sugar, and (iii) a triphosphate?(A) Nucleoside(B) Nucleotide(C) Base(D) Nucleic acid […]

Q.84 What will be value of the Numerical Aperture (NA), if half aperture angle is 58°and oil immersed objective is used for the process of light microscopy? (Answerup to 1 […]

Q.83 Escherichia coli growing under favorable conditions doubles in every 20 minutes.If the initial number of Escherichia coli cells is 100, what will be the logarithmicnumber of cells at 17th […]

Q.82 If the plasmid given below is digested with restriction enzymes HindIII andEcoRI, considering complete digestion, how many DNA fragments will bereleased? Plasmid digestion with HindIII and EcoRI releases 3 […]

Q.81 Which of the following statements are TRUE for archaea?(A) Cell wall in archaea contains muramic acid and D-amino acid(B) N-Formylmethionine is the first amino acid to initiate new polypeptide […]

Q.80 Which of the following Gram-positive cocci are found in biofilm of dentalplaque?(A) Gonococcus(B) Streptococcus mutans(C) Streptococcus sobrinus(D) Fusobacterium species Streptococcus mutans and Streptococcus sobrinus are the correct Gram-positive cocci […]