WorksheetsQuiz on concept 1,2
Total questions: 15
Worksheet time: 11mins
Dolphins have a stronger sense of hearing than humans.
True
False
Bats rely on echolocation to find food.
True
False
……..is the main control centre in the human body.
nerves
brain
spinal cord
We can differentiate between hot and cold objects using the digestive system.
True
False
Animals that are active at night are called nocturnal animals.
True
False
Echolocation helps dolphins identify.
colour
location
smell
Feeling hot or cold depends on sensory receptors in.
skin
eye
ear
Bats can locate their prey in the dark.
Scientific term
4- A bird that can turn its head backwards and has a bowl-shaped head with
large eyes
(a)
A blind person's cane emits ................. to tell him direction
Smells
Vibration
Lights
Sensory receptors collect information from the surroundings and send it to…………. For processing
Brain
Spinal cord
Nerves
Egyptian jerboa depends on echolocation to find food
True
False
5- Some messages sent by the nervous system so fast that you Can not realize……….
Heart
Brain
Reflexes
The time it takes for the body to react to different information( danger) is called …………time
Absorption
Digestion
Reaction
they can sing underwater to communicate with each other
(a)
