Pratiti Acharya: Your Educational Guide

Answer

Usually there are 4 types of teeth incisors, molars, premolars and canines. 1) incisors are sharp and they are mainly used to cut or bite whereas in case of carnivores incisors are sharp, pointed which is generally used to catch the prey 2) molars and premolars - In case of herbivores they are flat and they grow continuously throughout their life whereas in case of carnivores they have flattened and uneven edges and is used to shear and tear the flesh of the prey. 3) canines- Some herbivores have canines which are similar to incisors but some does not have them at all whereas in case of carnivores canines are long and used to catch their prey

Answer

Transpirational pull is simply a biological process which occurs in plant tissues ( specifically xylem). Xylem is to transport water from roots to other parts of the plant. As the water is lost from the leaf surface due to transpiration more water molecules are pulled up and thus it produces continuous column of water through the stem which is called transpirational pull