| (A) | Thecodonts are extant ancestors of crocodiles and birds. |
| (B) | Mammals have evolved from sauropsids. |
| (C) | Snakes are closer to lizards than tuataras. |
| (D) | Birds are closer to dinosaurs than crocodiles. |
| 1. | Karl Ernst von Baer | 2. | Ernst Haeckel |
| 3. | Charles Darwin | 4. | Lamarck |
| Column-I | Column-II | ||
| a. | Australopithecines | (i) | Probably ate meat |
| b. | Homo erectus | (ii) | Walked like gorillas |
| c. | Neanderthal man | (iii) | Hunted with stone weapons but essentially ate fruits |
| d. | Ramapithecus | (iv) | (iv) Lived in near east and central Asia |
| (a) | Seed ferns are common ancestors for Gnetales and cycads. |
| (b) | Zosterophyllum are avascular land plants that evolved in the Silurian period. |
| (c) | Lycopods are the oldest extant vascular land plants. |
| (d) | Sphenopsids evolved from the group of plants to which Psilophyton belongs. |
| Statement A: | Similarities in proteins and genes among diverse organisms indicates common ancestry. |
| Statement B: | Humans and chimpanzees also show biochemical similarities. |
| 1. | Pre-existing advantageous mutations when selected will result in observation of new phenotypes |
| 2. | Exposure to antibiotics causes mutation that confer antibiotic resistance |
| 3. | Mutations are directional variations |
| 4. | All antibiotic resistant bacteria which exist today are result of artificial selection |