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Q.92 Animals can be classified as ‘specialists’ or ‘generalists’ with respect to diet and habitat selection. Which of the following organism/s belong/s to the specialist category? (A) Raccoon (B) Panda […]

Q.91 In the human body, which of the following is/are involved in processing of a foreign antigen? (A) B-cells (B) Macrophages (C) Red blood cells (D) Platelets B-cells and macrophages […]

Q.90 Which of the following is/are responsible for reversible receptorligandinteraction?(A) Ionic interactions(B) Hydrogen bonding(C) Peptide bonding(D) Hydrophobic interactions Reversible receptor-ligand interactions rely on non-covalent forces that allow ligands to bind […]

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 […]