ICSE – Class 9 Questions
Q: State Newton's first law of motion.
A: An object remains at rest or in uniform motion unless acted upon by an external force.
Q: Define element.
A: An element is a pure substance made of only one kind of atom.
Q: What is a cell?
A: A cell is the basic structural and functional unit of life.
Q: What is weather?
A: Weather is the day-to-day condition of the atmosphere.
Q: What is democracy?
A: Democracy is a form of government where people elect their rulers.
Q: State Newton's first law of motion.
A: An object remains at rest or in uniform motion unless acted upon by an external force.
Q: Define element.
A: An element is a pure substance made of only one type of atom.
Q: What is a cell?
A: A cell is the basic structural and functional unit of life.
Q: What is weather?
A: Weather is the day-to-day condition of the atmosphere.
Q: Define acceleration.
A: Acceleration is the rate of change of velocity.
Q: What is a mixture?
A: A mixture is a combination of two or more substances not chemically combined.
Q: What is tissue?
A: A tissue is a group of similar cells performing a specific function.
Q: What is atmosphere?
A: The atmosphere is the layer of gases surrounding the Earth.
Q: What is the French Revolution?
A: The French Revolution was a major uprising against monarchy in France.
Q: What is distance?
A: Distance is the total path covered by a moving object.
Q: Define alloy.
A: An alloy is a mixture of two or more metals or a metal and non-metal.
Q: What is osmosis?
A: Osmosis is the movement of water through a semi-permeable membrane.
Q: What is latitude?
A: Latitude is the angular distance north or south of the equator.
Q: What was the Russian Revolution?
A: The Russian Revolution led to the fall of the Tsarist regime in Russia.
Q: State Newton’s first law. (Q313)
A: An object remains at rest or in uniform motion unless acted upon by an external force.
Q: Define valency. (Q314)
A: Valency is the combining capacity of an element.
Q: What is a rational number? (Q315)
A: A rational number can be expressed as p/q where q ≠ 0.
Q: Define osmosis. (Q316)
A: Osmosis is the movement of water through a semi-permeable membrane.
Q: Define work. (Q413)
A: Work is done when force causes displacement.
Q: What is a chemical reaction? (Q414)
A: A chemical reaction is a process where substances change into new substances.
Q: Define factor. (Q415)
A: A factor divides a number exactly.
Q: What is pollination? (Q416)
A: Pollination is the transfer of pollen from anther to stigma.