For the following questions answer them individually
In due course of time the meander loop cuts off from the river and forms a cut-off lake, also called an _________ lake.
Order Primata comprising monkey, gorilla and gibbon is placed in class Mammalia along with order Carnivora that includes?
In roots, the protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of primary xylem is called ____________.
If the speed of an object moving along a straight line keeps changing, its motion is said to be _________.