Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Our Environment, Exercise 2: Short Answer Type Questions
Rajesh Singh Science Solutions for Exercise - Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Our Environment, Exercise 2: Short Answer Type Questions
Attempt the free practice questions on Chapter 15: Our Environment, Exercise 2: Short Answer Type Questions with hints and solutions to strengthen your understanding. NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X solutions are prepared by Experienced Embibe Experts.
Questions from Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Our Environment, Exercise 2: Short Answer Type Questions with Hints & Solutions
Differentiate between biodegradable and non-biodegradable substances. Give examples.
Suggest one word for the physical and biological world where we live in.
Suggest one word for each level of the food chain where the transfer of energy takes place.
Suggest one word for the physical factors like temperature, rainfall, wind and soil of an ecosystem, whether it is biotic or abiotic?
Suggest one word for organisms which depend on the producers either directly or indirectly for food.
Explain the role of decomposers in the environment.
Select the mismatched pair in the following and correct it.
| (a) Bio-magnification | Accumulation of chemicals at the successive trophic levels of a food chain |
| (b) Ecosystem | Biotic components of the environment |
| (c) Aquarium | A man-made ecosystem |
| (d) Parasites | Organisms which obtain food from other living organisms |
We do not clean ponds or lakes, but an aquarium needs to be cleaned. Why?
