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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 […]

Q.102 In an individual, three distinct proteins bind oxygen depending on the location and development stage. While hemoglobin is the major oxygen binding protein in adults, myoglobin is present in […]

Q.101 Golgi apparatus is also termed as cellular post office, since it packages and transports cellularproteins across various organelles and outside the cell. In general, the Golgi is perinuclear inlocation and […]

Q.100 Red-Green color blindness is an X-linked recessive disorder. In a population which is in the Hardy-Weinberg equilibrium, the incidence of occurrence of this in males is 1:1000. What will be […]

Q.99 Seasonally breeding animals and birds measure the day length, i.e. photoperiod and use thesemeasurements as predictive information to prepare themselves for breeding. Besides melatonin,which of the following hormones is involved […]