you need to enhance your comprehensive skills.
for 1st question its mentioned "Like all other Australian poisonous snakes" and saying it is an elapid , that means its poisonous.
for ques 2; its mentioned that height is 80cm max(upto), so its obvious that it can not be over 1 metre .
Yeah practising more for that. I have a few more questions :
1. statement :
More than ten years ago, while taking the temperature of the universe, astronomers found something odd. They discovered that a patch of sky, spanning the width of 20 moons, was unusually cold.
question : Astronomers often find something odd on the sky.
i wrote : false . since it is very clearly mentioned that few years ago the astronomers found something odd ( nothing like often is mentioned)
correct answer given online is : not given ( i do not understand how ! )
2. statement :
"The CMB blankets the sky, and looks pretty much the same everywhere, existing at a feebly cold temperature of 2.725 kelvins"
question : The CMB varies from extremely low to very high temperatures
i wrote : false. since it is clearly mentioned it exists everywhere only at low temperatures.
correct answer given online is : not given
3. cosmic supervoid is so big that it
might be the largest structure in the universe.
question : The cosmic supervoid is the largest structure in the universe
i wrote false
correct answer given online is : not given