Question

Read the following text and answer the following questions: -4

We have selected our crops from a bio-diverse environment i.e., from the reserve sof edible plants. We also experimented and selected many medicinal plants. The animals were selected from a large stock provided by nature as milch animals. They are also provided as draught power, transportation, meat and eggs. The fish provide nutritive foods. Many insects help in pollination of crops and fruit trees and exerting biological control on such insects is harmful. Every species has a role to play in the eco system. Hence, conservation is essential. As has been mentioned earlier, due to excessive exploitation of plants and animal resources by human beings the ecosystem has been disturbed. About 1300 plant species are endangered and 20 species are extinct. Quite a few animal species are also endangered, and some have become extinct.


this is from natural vegetation and wildlife class 9


question are MCQS PICTURE GIVEN BELOW

Answer 1

Answer:

B

Explanation:

Earthquakes, various types of volcanic eruptions, tsunami, firestorms, impact events, climate change, and the devastating effects of human impact on the environment (anthropogenic disturbances) such as clearcutting, forest clearing and the introduction of invasive species can be considered major disturbances.