Class 5 EVS Chapter 1 Super Senses
Que: How do ants find their way to food?
Ans: Ants leave a scent on the ground while walking, which other ants follow to find their way.
Que: How do mosquitoes detect humans?
Ans: Mosquitoes find humans by their body odor, the smell of the soles of the feet, and body heat.
Que: What helps dogs to mark their territory?
Ans: Dogs mark their territory using the smell of their urine and can detect if another dog has come into their territory.
Que: Why do birds often move their necks?
Ans: Birds have fixed eyes and cannot move them, so they have to turn their heads to look around.
Que: How far can eagles see compared to humans?
Ans: Eagles can see four times farther than humans – what we can see from 2 metres, they can see from 8 metres.
Que: Can animals see colours like humans?
Ans: No, animals cannot see colours as much as humans. During the day animals can see a few colours, while at night animals can see in black and white.
Que: How do snakes hear sounds?
Ans: Snakes do not have external ears; they feel vibrations on the ground to detect sounds.
Que: How many hours does a sloth sleep per day?
Ans: A sloth sleeps for about 17 hours per day.
Que: How far can a tiger’s roar be heard?
Ans: A tiger’s roar can be heard up to 3 kilometres away.
Que: What are tiger whiskers used for?
Ans: Tiger whiskers are sensitive and help them sense movement or vibrations in the air and find prey in the dark.
