RBSE Class 10 Science Long ANSWER QUESTION DESK WOEK
RBSE Class 10 Science Short ANSWER QUESTION DESK WOEK
RBSE Class 10 Science VERY SHORT ANSWER QUESTION DESK WOEK
RBSE Class 10 Science mcq DESK WOEK
RBSE Class 10 Science Solved Model Paper 2022
Chapter 16 Management of Natural Resources
Chapter 16 Management of Natural Resources In Text Questions Question 1. What changes would you make in your habits to become environment friendly ? (CBSE AI 2009) Answer: Three Rs — reduce, recycle and reuse. Reduce: It is to reduce consumption by preventing wastage. Switching off unnecessary lights, fans and other electrical appliances, Repair of leaky […]
Chapter 15 Our Environment
Chapter 15 Our Environment In Text Questions Question 1. Why are some substances biodegradable and some non-biodegradable ? (CCE 2011) Answer: Biodegradable substances are substances of organic origin which can be broken down by enzymes of saprophytes, e.g., garbage, sewage, livestock waste, agriculture waste. Non-biodegradable substances are man-made substances which cannot be degraded by saprophytes […]
Chapter 14 Sources of Energy
Chapter 14 Sources of Energy In Text Questions Question 1. What is good source of energy ? Answer: A substance which produces sufficient amount of energy over a long period of time without producing much smoke is known as good source of energy. Characteristics of a good source of energy. Question 2. What is good fuel […]
Chapter 13 Magnetic Effects of Electric Current
Chapter 13 Magnetic Effects of Electric Current In Text Questions Question 1. Why does a compass needle get deflected when brought near a bar magnet ? Answer: Compass needle is a small magnet which experiences a force in the magnetic field of a bar magnet. Due to this force, it gets deflected. Question 2. Draw […]
Chapter 12 Electricity
Chapter 12 Electricity In Text Questions Question 1. What does an electric circuit mean ? (CBSE 2011, 2013, 2014) Answer: An electric circuit is a closed conducting path containing a source of potential difference or electric energy (i.e. a cell or battery) and a device or element utilizing the electric energy. Question 2. Define the […]