Q. Jurassic period of the mesozoic era is characterised by : (a) Gymnosperms are dominant plants and first birds appear (b) Radiation of reptiles and origin of mammal like reptiles…
Q. An important evidence in favour of organic evolution is the occurrence of : Homologous and vestigial organs Analogous and vestigial organs Homologous organs only Homologous and analogous organs Solution…
Q. Which one of the following amino acid was not synthesized in Miller's experiment? Glycine Aspartic acid Glutamic acid Alanine Solution : Correct option : C Miller and Urey were…
Q. Praying Mantis is a good example of : (a) Mullerian mimicry (b) Warning colouration (c) Social insects (d) Camouflage Solution : Correct option : D (i)Camouflage is the way…