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Q.26 A population has 600 individuals, 150 of genotype AA, 300 of genotype Aa and 150 of genotype aa. What is the frequency of allele A? 1. 0.5 2. 0.4 […]

Q.25 Cosmid vector is made up of: 1. Bacterial plasmid and lambda phage DNA 2. Lambda phage DNA and Bacterial Fertility factor 3. Bacterial fertility factor and bacterial plasmid 4. […]

Q.24 The ribozyme that catalyses peptide bond formation during prokaryotic protein synthesis is: 1. 28S rRNA 2. 23S rRNA 3. 16S rRNA 4. 5.8S rRNA Prokaryotic Ribozyme for Peptide Bond […]

Q.23 Which of the hominins first migrated out of Africa? 1. Homo ergaster 2. Homo habilis 3. Homo erectus 4. Ardipithecus ramidus Which Hominin First Migrated Out of Africa? Homo […]

Q.22 The egg of birds and fishes have only one small area which is free of yolk and where division takes place. Such an egg is known as: 1. Telolecithal […]

Q.21 Carina is: 1. A free-swimming, ciliated larva 2. A shield-like plate over dorsal part of body 3. A keeled sternum for insertion of flight muscles 4. A glue-secreting cell […]

Q.20 The first definitive evidence for the chromosomal theory of inheritance was provided by: 1. Gregor John Mendel 2. Sutton and Boveri 3. Thomas Hunt Morgan 4. Hugo De vries […]

Q.19 All of the following are amniotes except: 1. Birds 2. Mammals 3. Reptiles 4. Fish Non-Amniote Among Vertebrates: Fish Lack Amniotic Egg Amniotes are tetrapods characterized by amniotic eggs […]

Q.18 Which is the correct sequence of events in urine formation? 1. Filteration, secretion and reabsortpion 2. Secretion, reabsorption and filteration 3. Filteration, reabsorption and secretion 4. Reabsorption, filteration and […]

Q.17 Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Food chains are short. Reason R: There is […]