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Q.45 The wavelength of a photon emitted during a transition from n = 3 to n = 2 state in the H atom is _____________ nm. (answer in integer). [Rydberg […]

Q.44 In a farm animal breeding programme, the animal with the dominant A phenotype, the recessive b phenotype, the dominant D phenotype, and the recessive e phenotype are commercially important. […]

Q.43 In a plant species, the genotype DDEE is crossed with the genotype ddee; and the F1 is test crossed. Considering that the two genes are linked and 20 map […]

Q.42 A forest has four different tree species (A, B, C and D) and their numbers are: A = 60; B = 20; C = 10 and D = 10. […]

Q.41 Free energy change for transport of an uncharged solute across a membrane against a 1×103 fold concentration gradient at 25 °C is _____________kJ mol-1 . (rounded off to 2 […]

Q.40 Which of the following is/are CORRECT for the two molecules shown? (A) They are stereoisomers (B) Each of them has two stereogenic centers (C) They are mirror images of […]

Q.39 Which of the following statement(s) is/are CORRECT in the classical ‘ABC model’ for genetic control of flower development? (A) ‘Class A’ genes solely determine sepal identity (B) ‘Class B’ […]

Q.38 In ‘Futile Cycle’ chemical energy is dissipated as heat due to two opposite biochemical reactions. Which of the following biochemical reaction(s) is/are a part of ‘Futile Cycle’? (A) Glucose […]

Q.37 Which of the following metabolite(s) accumulate(s) in the blood of a human adult consuming a ketogenic diet? (A) D--hydroxybutyrate (B) Acetoacetate (C) Pyruvate (D) Oxaloacetate Ketogenic Diet Blood Metabolites: […]

Q.36 Which of the following condition(s) lead(s) to reduced affinity of O2 for human hemoglobin? (A) Reduction of pH of blood plasma from pH 7.4 to 7.2 (B) Decrease of […]