In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _____________.
Which of the following symbols should replace the sign (@) and (%) respectively in the given expression in order to make the expression L ≥ U and R > J definitely true?
A cylindrical vessel of radius 6 cm is partially filled with water. By how much will the water level rise if a sphere of radius 5 cm is completely immersed in this water? (Take π = 22/7)