TLS Online TPP Program
More Questions
TLS Online TPP Program
#Question id: 15722
#Unit 9. Evolution & Diversity of Life Forms
The variation that arises is directed toward fixed goals, so that a species evolves in a predetermined direction by some kind of internal drive, without the aid of natural selection. This hypothesis is known as,
TLS Online TPP Program
#Question id: 15723
#Unit 9. Evolution & Diversity of Life Forms
Neutral theory of molecular evolution of is given by,
TLS Online TPP Program
#Question id: 15724
#Unit 9. Evolution & Diversity of Life Forms
Neo-Lamarckism includes several theories based on the old idea of inheritance of modifications acquired during an organism’s lifetime. In a famous experiment done by,
TLS Online TPP Program
#Question id: 15725
#Unit 9. Evolution & Diversity of Life Forms
Alfred Russel Wallace (1823–1913), who was collecting specimens in the Malay Archipelago, had independently conceived that
TLS Online TPP Program
#Question id: 17264
#Unit 9. Evolution & Diversity of Life Forms
The strata of sedimentary rocks in the different regions of the world, have classified geologic history into eras;
| Column I | Column II |
| P. Archeozoic | i) era of medieval life |
| Q. Proterozoic | ii) era of ancient life |
| R. Paleozoic | iii) era of primitive life |
| S. Mesozoic | iv) era of modern life |
| T. Cenozoic | v) era of early life |
Match the following;
TLS Online TPP Program
#Question id: 17265
#Unit 9. Evolution & Diversity of Life Forms
Match the geological time period with the diversification events associated with them:
| COLUMN I | COLUMN II | ||
| P. | Cretaceous | i) | First vertebrate appeared, abundant of marine algae |
| Q. | Devonian | ii) | Seeds ferns disappear, appearance of first dinosaurs |
| R. | Ordovician | iii) | Rapid development of angiosperms and Extinction of dinosaurs. |
| S. | Triassic | iv) | First definite evidence of land plant, first wingless insect. |
| T. | Silurian | v) | First amphibians and first seed plant appear. |