ECONOMICS (CBSE/UGC NET)

ECONOMICS

SCARCITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these is considered “land” in economics?
A
a farmers field
B
wind used to generate power
C
Worms used to decompose a compost pile
D
an agent who sells a house
E
a tractor that pulls a plow
Explanation: 

Detailed explanation-1: -What kind of worms are used for vermicomposting? Most worm farms raise two main types of earthworm: Eisenia foetida and Lumbricus rubellis. These worms are commonly used to produce vermicompost, as well as for fish bait.

Detailed explanation-2: -Which of the following are the best worms used for composting? Sol. (c) Red wigglers.

Detailed explanation-3: -Biodegradable organic wastes are inoculated with earthworms (i.e., the redworm Eisenia fetida) which break down and fragment the organic wastes [95]. This transformation implies a many microorganism associated with the worm diet and activity.

Detailed explanation-4: -The method of making compost of kitchen garbage using red worms is vermicomposting.

There is 1 question to complete.