Multiple -Choice Questions:
Plants grow in which of the following?
(a) Soil (b) Sand
Soil is very important for life on ______.
(a) Sun (b) Earth (c) Moon
Which of the following gas do plants release?
(a) Oxygen (b) Nitrogen (c) Hydrogen
Soil is made up of ______.
(a) Dead plants and animals
(b) Live plants and animals
What is the fine powder formed by the big pieces of rocks that are broken down by wind and water into smaller pieces called?
(a) Fine sand (b) Clay (c) Humus
Soil is formed when sand mixes with organic matter and ______.
(b) vitamins (c) minerals
Soil is formed when sand mixes with ________ matter and minerals.
(a) Organic (b) Inorganic
What is formed when sand mixes with organic matter and minerals?
(a) Soil (b) Sand (c) Pebbles
Soil is formed when ______ mixes with organic matter and minerals.
(a) food (b) sand (c) paper
The _____ layer of the Earth's surface is known as soil.
(a) top (b) Middle (c) bottom
(1)-A; (2)-B; (3)-A; (4)-A; (5)-A; (6)-C; (7)-A; (8)-A; (9)-B; (10)-A