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Q.62 The following is the list of steps involved in cloning of a gene. Which option represents the correct sequence of the process ? (A). Transformation with blue and white […]

Q.61 The following is the list of steps, involved in the transfer of bacterial DNA by generalized transduction. Which option represents the correct sequence of steps ? (A). Packaging of […]

Q.60 Following statements are with reference to oogonia. Which of these is incorrect? 1. Common fate of oogonia is death by apoptosis. 2. Oogonia are able to undergo mitotic division. […]

Q.59 During gastrulation in Xenopus frog, the blastocoel 1. becomes the gut 2. is filled with endodermal cells and disappears 3. is filled with mesoderm and disappears 4. is displaced, […]

Q.58 A student was asked to clone a DNA fragment, flanked by BamHI (GGATCC) sites into a vector, cut with Bglll (AGATCT). The cloning was successful, as these two restriction […]

Q.57 Microorganisms that produce antibiotics are unaffected by the same antibiotic. One of the mechanism to explain this is – 1. active pharmacophore of the bactericidal antibiotic, remains bound to […]

Q.56 Which of the following disease in humans, is caused due to expanded microsatellite repeats? 1. Huntington’s disease. 2. Cystic fibrosis 3. Tuberculosis 4. Alkaptonuria Trinucleotide Repeat Expansion Diseases: Huntington’s […]

Q.55 Which of the following protected areas are declared Tiger Reserves in India? (A). Bandipur (B). Bhitarkanika (C). Manas (D). Sunderbans (E). Kaziranga Choose the correct answer from the options […]

Q.54 Migratory species pose special preservation challenges, because 1. they are endemic, they are especially susceptible to habitat destruction. 2. their conservation may require international cooperation, when they require habitats […]

Q.53 The transition zone in biosphere reserve – 1. covers the buffer zone and lies, in between the buffer zone and the core zone. 2. covers the core zone and […]