CTET 2 Math and Science 27 Dec 2021 Paper

Considering the following situations, choose the INCORRECT statement.
A) A gymnast applies coarse substance in hands before game deliberately to reduce interlocking and increase efficiency.
B) Fine powder is sprinkled deliberately on the carom board before the game to reduce interlocking and increase efficiency.
C) In track events, sole of the athlete’s shoe is grooved to reduce interlocking and increase efficiency.