Q. No.The primates, Dryopithecus and Ramapithecus, existed around:
1.
15 mya
2.
20 mya
3.
25 mya
4.
30 mya
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. Western Africa
2. Eastern African grasslands
3. South America
4. South East Asia
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | Homo habilis | 2. | Homo erectus |
| 3. | Homo ergaster | 4. | Homo neanderthelensis |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | Tanzania; 2 | 2. | Java; 1.5 |
| 3. | Ethiopia; 1.5 | 4. | Australia; 2 |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | Cranial capacity of around 1400 cc |
| 2. | Lived in East and Central Africa |
| 3. | Used hides to protect their bodies |
| 4. | Buried their dead |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | Neanderthals lived between 1,50,000 and 1,00,000 years back. |
| 2. | Modern Homo sapiens arose between 75000 and 10000 years ago. |
| 3. | Pre-historic cave art developed around 18000 years ago. |
| 4. | Agriculture came around 10000 years ago |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| Assertion (A): | When we look at stars on a clear night sky we are, in a way, looking back in time. |
| Reason (R): | When we see objects in our immediate surroundings we see them instantly and hence in the present time. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | 20 billion years back | 2. | 10 billion years back |
| 3. | 4.5 billion years back | 4. | 3.0 billion years back |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| I: | Water vapour, methane, carbon dioxide, and ammonia released from molten mass covered the surface. |
| II: | The UV rays from the sun broke up water into Hydrogen and Oxygen and the lighter H2 escaped. |
| III: | Oxygen combined with ammonia and methane to form water, CO2, and other gases. |
| IV: | As it cooled, the water vapour fell as rain, filling all the depressions and forming oceans. |
1. Only I, II and III are correct
2. Only I, II and IV are correct
3. Only II, III and IV are correct
4. All are correct
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
© 2025 GoodEd Technologies Pvt. Ltd.