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10Environment consists only of living things.
Air contains oxygen and carbon dioxide.
Plants take oxygen during photosynthesis.
Sun provides heat and light energy.
Soil gives nutrients to plants.
Animals depend on plants for food.
Plants help in preventing soil erosion.
Water is not necessary for living organisms.
Human activities can disturb environment.
Environmental conservation is important.
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Which of the following is a biotic factor?
Which gas is needed for respiration?
Which is the main source of energy on earth?
Which of the following is an abiotic factor?
How much percent of earth is covered with land?
Which of the following helps in soil conservation?
Which of the following is a source of water?
Which process helps maintain the balance of oxygen and carbon dioxide in the environment?
What happens when animals die in the environment?
Which environmental factor provides nutrients to plants?
All living and non-living things found around us form the ______.
Living organisms are called ______ factors.
Non-living components of environment are called ______ factors.
The layer of air surrounding the earth is called ______
Oxygen is known as ______ gas.
Green plants prepare their food by ______.
The main source of energy on earth is the ______.
______ is essential for the survival of living organisms.
Plants help in preventing ______ erosion.
Protection of environment is called ______ conservation.