Chapter 9 A Shint
Chap.1. Tracing History through a Thousand Years Chap.2. New Kings
md Political Life: Chapter 8. Market Around Us
TION A:: GEOGRAPHY
+) What is biotic environment and abiotic environment?
2) What is Biosphere?
What is lithosphere, hydrosphere and atmosphere?
+) What is an ecosystem?
6) What is human mado environment'?
vá) How do we depend on plants? Give three points.
7) Draw a labelled diagram of Interior of Earth?
-8) What is Crust, Mantle and Core?
9) What are Igneous, Metamorphic and Sedimentary rocks? Give an
10) Draw the diagram of rock cycle?
ID) Mention some minerals which are very important for mankind?
Answers
Answer:
1) biotic environment is the environment in which living components exist example: tree, humans..
abiotic environment is the environment in which non living components exist example: Stones, mountains etc...
2)lithosphere is solid surface of the earth
atmosphere are the gases that surrounds our earth and the hydrosphere is nothing but the water present in the earth and the narrow place where this three are found is called biosphere...
Answer:
1..The environment which comprises living organisms to interact is called biotic environment.
Example: human beings, animals etc....
...The environment which comprises non-living organisms is called abiotic environment.
Example:air,water etc......
2.. Biosphere:the light supporting zone of earth where the atmosphere , the hydrosphere and atmosphere interact and make life possible is known as biosphere...
... Lithosphere: the outer crust of the earth is called lithosphere...
... Hydrosphere: the total amount of water present on the earth surface is called hydrosphere....
.... Atmosphere: the air that covers the whole of the earth like a blanket is called the atmosphere...
3.. Ecosystem:An ecosystem is an geographical area where human beings, plants and animals as well as weather and landscape work together to form the bubble of life....
4..A human made environment: the human made environment on man made environment is referred to as the surrounding made by humans to provide facilities to human beings for satisfying their needs....
5.. people depend on plants for food, clean air,water,fuel, clothing and shelter. nearly all food webs begin with the plants, the primary procedures. during photosynthesis, green plants use sunlight to change carbon dioxide from the air and water two simple sugars such as carbon, hydrogen and oxygen....
6... Crust: The crust is made of solid rocks and minerals....
....Mantle: medal accounts for the density of rocks...
...Core: the core consists of extremely hot layer rocks...
7....igneous rocks: igneous rocks formed when the magma and lava emerged on to the surface of the earth ...
... metamorphic rock: formed through the change of this igneous rocks and sedimentary rock. they are formed the underground of earth...
... sedimentary rocks: they are formed through the solidification of sediment. they are formed from organic remains.....
8.. minerals important for the mankind are:
iron...
calcium...
iodine....
graphite....
aluminium....
magnesium....
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I hope it helps you thanks.......