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(d) Darwin
(d) birds have evolved from reptiles
(a) Thorn of Bougainvillea and potato are homologous
(b) Radish and carrot
(b) DNA undergoes significant changes in germ cell
The theory of evolution of species by natural selection was given by
(d) Darwin
(d) Darwin
See lessSome dinosaurs had feathers but they could not fly but birds have feathers that help them to fly. In terms of evolution it means
(d) birds have evolved from reptiles
(d) birds have evolved from reptiles
See lessSelect the correct statement
(a) Thorn of Bougainvillea and potato are homologous
(a) Thorn of Bougainvillea and potato are homologous
See lessYour mother bought carrot, potato, radish and brinjal. Which of them represent the correct homologus structures?
(b) Radish and carrot
(b) Radish and carrot
See lessNew species may be formed if
(b) DNA undergoes significant changes in germ cell
(b) DNA undergoes significant changes in germ cell
See less