A. Bulldozer
B. Tractor
C. Sheller
D. Incubator
Correct Answer:
Option B – Tractor
Explanation
-TRACTOR: It is a powerful and expensive multipurpose motor vehicle used for lifting or pulling farm implements
-BULLDOZERS: They are powerful tractors and expensive machines with a broad steel blade or sheet at the front.
-SHELLERS: These are machines operated electrically, mechanically or manually. Shellers are used to separate the seeds from the husk or cob.
-INCUBATORS: These are machines which are used for hatching fertilized eggs artificially.
