Environmental Science Worksheet-2
(a) Nitrogen is produced and enters the atmosphere
(b) Oxygen is produced and enters the atmosphere
(c) Carbon Dioxide is produced and released into the atmosphere
(d) Carbon is produced and released into the atmosphere
(a) A process by which plant’s leaves take the carbon from carbon dioxide to make sugar, starch and protein.
(b) A process by which plant leaves take the oxygen from carbon dioxide to make sugar, starch and protein.
(c) Carbon dioxide production by decomposers
(d) Carbon dioxide destruction by decomposers
(a) Wind energy (b) Solar energy
(c) Geothermal energy (d) All of the above
(a) It absorbs energy from the Sun.
(b) It releases energy that a tree absorbed from the Sun.
(c) It produces solar energy.
(d) It neutralizes geothermal energy.
(a) Life factors (b) Bio factors
(c) Biotic factors (d) Abiotic factors
(a) Animals (b) Fungi (c) Bacteria (d) Soil
(a) Black color compounds on the Earth's crust
(b) Grey color compounds on the Earth's crust
(c) It is a solid material on the Earth's crust with a variable composition
(d) It is a solid material on the Earth's crust with a specific composition
(a) Gem (b) Salt (c) Graphite (d) Coal
(a) Igneous rocks (b) Bacteria
(c) Weathered rock (d) Moisture
(a) Decayed animal or plant material in the soil.
(b) Fresh animal or plant material in the soil.
(c) Nitrogen compound in the soil.
(d) Small mineral crystals in the soil.
Answer Key:
(1)–(c); (2)–(a); (3)–(d); (4)–(b); (5)–(c); (6)–(d); (7)–(d); (8)–(d); (9)–(c); (10)–(a)
