Environment and Feeding Relationship Short Question With Answer: General Science Cadet College Test
Q.No.01: Define ecosystem and give its examples?
Ans: Living organisms and nonliving things interact with each other to form a system called “ecosystem”. e.g. desert, mountains, rivers, forests etc.
Q.No.02: Write the components of ecosystem?
Ans: Ecosystem consists of two parts:
(i) Living organism or biotic factors
(ii) Non-living things or abiotic factors
(i) Living organism or biotic factors
(ii) Non-living things or abiotic factors
Q.No.03: Define population and community?
Ans: Population:
The organisms of the same kind living and reproducing in the same particular area is called “population”.
Community:
All the populations of different kinds of organisms living together in an area make a community.
The organisms of the same kind living and reproducing in the same particular area is called “population”.
Community:
All the populations of different kinds of organisms living together in an area make a community.
Q.No.04: What is the difference between producers and consumers?
Ans: Producers: Plants make their own food using sunlight.
Consumers: Animals eat plants or other animals because they cannot make their own food.
Consumers: Animals eat plants or other animals because they cannot make their own food.
Q.No.05: What is “habitat”?
Ans: [The place where organisms live and reproduce is called “habitat”. /toggle]
Ans: Light, temperature, air, soil and water are biotic factors of the environment. Changes in these factors will bring changes in the population of the environment.
Q.No.06: Which factors cause changes in a habitat?
Q.No.07: How migration affects the habitat?
Ans: Migration also changes the size of the population of a habitat. When few organisms leave the habitat or enter into a habitat that will increase or decrease the size of population of that area.
Q.No.08: What are the causes of floods?
Ans: A lot of rain in an area for a long time will result in flooding. Many plants and animals die due to flooding.
Q.No.09: What do you mean by “earthquake”?
Ans: The sudden shocks to the earth surface due to the movement of earth plates is called “earthquake”.
Q.No.10: What are the causes of “air pollution”?
Ans: Air pollution causing agents are factories, motor vehicles and other combusting agents. It damages health and the environment.
Q.No.11: Define the term “reduce” the resources?
Ans: Reduce means to cut down on the use of resources.
Q.No.12: Define “Reuse”?
Ans: Reuse means not to throw away things that can be used again.
Q.No.13: Define “Recycling”?
Ans: Recycle means to make new things from the used material.
Q.No.14: Define the term “adaptations”?
Ans: Plants and animals develop special features to live in a habitat. These special features are called “adaptations”.
Q.No.15: What are the types of adaptations?
Ans: Change in an organism’s body.
Change in organism’s behavior.
Change in defence habits.
Change in organism’s behavior.
Change in defence habits.