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Q55 Match the tasks given in Group I with the associated techniques conventionally used as listed in Group II Group I Group II Ploidy analysis Profiling DNA methylation Identifying non-coding […]

Q.54 The ovule of a diploid species with 2n = 8 undergoes double fertilization. If thepollen is contributed by an individual with meiotic nondisjunction, thechromosome number of the zygote will […]

Q.53 Which one or more processes listed below DOES NOT/DO NOT produce carbondioxide during fermentation?(A) Brewing wine using yeast.(B) Baking bread using yeast.(C) Making yogurt using lactobacillus.(D) Making cheese using […]

Q.52 Regulation of phosphoenolpyruvate carboxylase (PEPCase) governs CO2 fixationin both C4 and CAM (crassulacean acid metabolism) plants. Which one or moreof the following statements with respect to PEPCase activity is/are […]

Q.51 Which one or more of the following statements is/are NOT CORRECT withrespect to pollen development in angiosperm?(A) Tapetal cell wall in all angiosperms breaks down to release the cytoplasmiccontent.(B) […]

Q.50 The schematic depicts an unexpanded plant cell within a hypocotyl with thearrangement of cellulose microfibrils marked on its cell wall.Which one of the following shapes would most likely result […]

Q.49 Although Pseudomonas syringae infection in plants is actively inhibited by theendogenous salicylic acid (SA) of host origin, a successful infection is stillestablished because the bacterium secretes coronatine, an effector […]

Q.48 Rotenone is a chemical often used to kill insect pests on crop plants and fishes inlakes. Rotenone acts by inhibiting electron transport from the NADHdehydrogenase enzyme in Complex I […]

Q.47 Which one of the following statements on Casparian strips is correct?(A) Casparian strips are specific to vascular plants found in epidermal cells.(B) Casparian strips are modifications mostly found in […]

Q.46 If the extracellular concentration of sodium ion (Na+) is ten times more than its intracellular concentration, then the sodium equilibrium potential at 20 °C in mV is ____________ (rounded off […]