49. If wood is kept under water, then it becomes swell due to activity of
(a) Protein (b) Cellulose
(c) Both (a) and (b) (d) Minerals
Ans.(c) A dry wooden piece when soaked in water shows considerable swelling and sometimes leads to considerable increase in volume, which is due to imbibition.
Q. In a March Past, seven persons are standing in a row. Q is standing left to R but right to P. 0 is standing right to N and left to P. Similarly, S is standing right to R and …
