Q. No.After about how many years of the formation of the earth, life appeared on this planet?
1. 500 billion years
2. 50 million years
3. 500 million years
4. 50 billion years
1. 500 billion years
2. 50 million years
3. 500 million years
4. 50 billion years
Which of the following is not true about Homo sapiens?
| 1. | Arose in 75000- 10000 years ago |
| 2. | Cave art developed about 18000 years ago |
| 3. | Agriculture came around 10000 years ago |
| 4. | Modern man's skull resembles more with adult chimpanzee than baby chimpanzee |
According to A mutation was gradual while de Vries believed mutation caused B and hence called it C
| A | B | C | |
| 1. | Lamarck | Saltation | Speciation |
| 2. | Thomas Malthus | Speciation | Natural selection |
| 3. | Darwin | Speciation | Saltation |
| 4. | Wallance | Natural selection | Speciation |
The illustration below shows the skull of two different mammals. Use the illustration to answer the question that follows:
Which of the following accurately describes the differences between these skulls?
| 1. | Skull A has more teeth than skull B |
| 2. | Skull A has more brain capacity than skull B |
| 3. | Skull A is of a primate and skull B is not of a primate |
| 4. | Skull A is the skull of an ape and skull B is the skull of a human |
1. Saltation
2. Catastrophism
3. Adaptive radiation
4. Anthropogenic artificial selection
| 1. | conducted a control experiment to disprove spontaneous generation |
| 2. | proposed the concept of pangenesis as the physical basis of heredity |
| 3. | disapproved the proposal of Ernst Haeckel [Biogenetic law] |
| 4. | was one of the rediscoverers of Mendel’s laws |
Which of the following statements is incorrect?
| 1. | Life processes are consequences of reactions that occur in an organism. |
| 2. | Living organisms are made of inorganic and organic compounds. |
| 3. | Life comes from pre-existing life. |
| 4. | Genes are not responsible for the stability or changeability of species. |
Similar adaptations in biologically unrelated species is:
| 1. | stabilizing selection |
| 2. | convergent evolution |
| 3. | blending inheritance |
| 4. | natural selection |
1. Hydrogen
2. Free oxygen
3. Methane
4. Ammonia
“An Essay on the Principle of Population” that possibly influenced both Darwin and Wallace was written by:
1. JBS Haldane
2. T R Malthus
3. Eldregde and Gould
4. Georges Cuvier
© 2026 GoodEd Technologies Pvt. Ltd.