
Ecology is the branch of biology that studies the interaction between species and their environment and the interaction between species and one another. Environment and ecology are essential topics for all the defence examinations and Multiple questions from this section have been asked in previous years' defence exams like AFCAT, NDA etc. This article will help you understand the importance of environment and ecology notes for the NDA, CDS, AFCAT and all other defence exams.
Q1. What is the environment?
Ans. An environment is everything that surrounds us, including both living and nonliving elements like water, soil, plants, animals etc.
Q2. What is the definition of ecology?
Ans. Ecology is the brief study of organisms and their interactions with their surroundings.
Q3. When is world environment day celebrated?
Ans. Every year on June 5, the world celebrates World Environment Day (WED), which aims to promote environmental preservation awareness and action.
Q4. Importance of environment?
Ans. The environment provides us with all the resources for production, both renewable and non-renewable. The sun, air, water, and soil are all components of the environment that are required for human life to exist. It ensures the continuation of life by preserving all the genetic diversity and biodiversity.
Q5. State the types of ecosystems.
Ans. Natural ecosystems and artificial ecosystems are the two main types of ecosystems.
Q6. State all types of ecology.
Ans. There are 7 types of ecology, which are Global Ecology, Ecosystem Ecology, Landscape Ecology, Population Ecology, Molecular Ecology, Organismal Ecology, and Community Ecology.
Q7. What is a biosphere?
Ans. The total areas of Earth where life exists are referred to as the biosphere.
Q8. What are the Levels of Organisms in an Ecology?
Ans. There are six main levels of organisms in ecology.
Organism <Population <Community <Ecosystem <Biome <Biosphere
