281.
What is the main disadvantage of solar energy?
A
Produces greenhouse gases
B
High pollution
C
Dependency on sunlight
D
Non-renewable
Loading practice questions
Browse topic-based General Science practice sets.
2333 practice sets · Page 15 of 117
What is the main disadvantage of solar energy?
Produces greenhouse gases
High pollution
Dependency on sunlight
Non-renewable
What is the primary material used in most solar cells?
Gold
Copper
Silicon
Aluminum
Which device is used to convert solar energy into electricity?
Generator
Wind turbine
Solar panel
Battery
What type of energy is solar energy?
Renewable
Chemical
Mechanical
Thermal
What is solar energy primarily derived from?
Wind
Moon
Earth
Sun
The type of soil suitable for growing paddy is ......................
Sandy Soil
Loamy soil
Clayey Soil
Bricks
Water can drain easily through ............................
Sandy Soil
Loamy soil
Clayey Soil
Bricks
The soil containing the same amount of large and fine particles is called ...................
Sandy Soil
Loamy soil
Clayey Soil
Bricks
The soil containing a greater portion of fine particles is called ...............
Sandy Soil
Loamy soil
Clayey Soil
Bricks
The soil containing the greater portion of big particles is called .................
Sandy soil
Loamy soil
Clayey soil
Bricks
The removal of land surface by water, wind or ice is known as .......................
Erosion
Weathering
Percolation
Retention
Breaking down of rocks by the action of wind and climate is called ...............
Weathering
Soil Vegetation
Cultivating
Percolation
The rotting dead matter in the soil is called ...............
Humus
Salt
Sugar
Protein
The water holding capacity is the highest in
sandy soil
clayey soil
loamy soil
mixture of sand and loam
Percolation rate of water is the least in ?
sandy soil
clayey soil
loamy soil
none of these
An average cave-in of five yards of soil will weigh how many pounds.
1350
5000
13500
When using a pocket penetrometer or shear vane to measure soil strength, how many samples should you test?
2
6
12
Type B soils may be cohesive or non-cohesive.
True Statement
False Statement
You should never take samples of soil to test from a trench wall.
True Statement
False Statement
Which type of soil has an unconfined compressive strength of .5 to 1.5 tons per square foot?
Type B
Type C
Type A