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Q.67 To which one of the following groups, the antibiotics kanamycin, streptomycin and gentamicinbelong(A) cephalosporins (B) macrolides (C) aminoglycosides (D) quinolones Kanamycin, streptomycin, and gentamicin are all aminoglycoside antibiotics that bind […]
Q.66 In 1976, Tonegawa’s experiment gave clue about gene rearrangement during differentiation of B-cells. The two different types of cells used in this experiment were(A) HeLa cells and fibrosarcoma cells(B) embryonic […]
Q.65 Identify two CORRECT statements from the following which are related to the ion transportationin the root system of plantP. The proton pumps and H+-pyrophosphatase appear to work in anti-parallel with […]
Q.64 Identify the correct matching by taking one item from each column. Column-I Column-II P. Coenzyme 1. Holoenzyme + Apoenzyme Q. Holoenzyme 2. Non-protein part in an active enzyme R. Prosthetic […]
Q.63 Identify two CORRECT characteristic features of (P) Autogamy and (Q) Allogamy from thefollowing statements1. Plant species usually does not depend on external agents2. Plant species usually depends on external agents3. […]
Q.62 Which two of the following are the INCORRECT statements ?P. In monocotyledonous stems with closed vascular bundle, secondary growth takes place withoutany cambiumQ. In dicotyledonous stems hypodermis is collenchymatousR. Mobilization […]
Q.61 Select the CORRECT set comprising only the synthetic analogues of auxin and cytokinin(A) IAA and Kinetin (B) 2, 4-D and Zeatin (C) IAA and Zeatin (D) 2, 4-D and Kinetin […]
Q.105 Increasing estradiol (E2) hormone from ovarian follicles prior to ovulation has been hypothesizedto play a critical role for induction of pheromones. These pheromones render females sexuallyreceptive to males to […]
Q.104 The nerve impulse at the neuromuscular junction results in discharge of acetylcholine (Ach) fromits vesicles into the synaptic cleft. Ach gets degraded by acetylcholine esterase and is present inwhich one […]
Q.103 A patient comes with symptoms of autonomic hemolysis. The diagnostic tests reveal that he has auto-antibodies to red blood cells (RBCs). Which one of the following mechanisms is the […]
