In the absence of autoclave, one can use pressure cooker to sterilize the nutrient agar. The most important thing is that the temperature must be high enough to kill off any microbe present. The pressure cooker can be used in place of autoclave at the temperature of 121 degree Celsius for fifteen minutes.
Growth is the right answer, because ecdysis or moulting term is associated with shedding of exoskeleton . Snakes do so to increase in size and for development
