Question:medium

The Indian tractor drivers have suffered more than 70% of spine deformation. This type of deformation occurs due to:
A. Vibration
B. Shock
C. Bad sitting posture
Choose the correct answer from the options given below:

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Whole-body vibration (WBV) and repeated mechanical shocks are the two most critical physical factors that cause spinal disorders in heavy machinery and tractor operators.

Updated On: Aug 4, 2026

A and B only
A only
C only
B and C only

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The Correct Option is A

Solution and Explanation

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Top Questions on Soil Tillage Equipment

Match List-I with List-II.

List-I (Farm Equipment)	List-II (Action)
(A) Turn Wrest plough	(I) Moves all the soil towards same side
(B) Disc plough	(II) Moves the soil in opposite directions
(C) Disc harrow	(III) Used for shallow ploughing
(D) Vertical disc plough	(IV) Has an arrangement that the plough bottom can be changed from right hand to left hand by rotating it approximately 180 degrees
(E) Off-set disc harrow	(V) Well suited for working under low hanging branches in orchards

Choose the correct answer from the options given below.

Match List-I with List-II.

List-I (Field operation)	List-II (Equipment used)
(A) Intercultural operation	(I) Rotavator
(B) Deep ploughing	(II) Cultivator
(C) Soil pulverization	(III) Sub-soiler
(D) Conservation tillage	(IV) Strip-till drill
(E) Soil Inversion	(V) MB plough

Choose the correct answer from the options given below.

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