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Senses at work - grade 4
Senses at work - grade 4
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تكرار
1
To describe the delicious taste of a piece of chocolate, we should use the sense of...........
touch.
taste.
smell.
sight.
2
Owls have all the following properties that give them greater ability to sense distant preys making low sounds, except........
weak sense of hearing.
large eyes.
a bowl-shaped face.
a head that turns in all directions.
3
The shape of the paths taken by a jerboa while running away from danger.
Egyptian jerboa.
Nervous system.
Reaction time.
Zigzag patterns.
4
The.......... the reaction time to a danger, the greater the chance of survival.
shorter
no correct answer
Longer
both shorter and Longer
5
The.......... plays a great role in the functioning of the nervous system.
oesophagus
trachea
brain
small intestine
6
We can distinguish between water and milk through.........
taste and hearing.
sight and hearing.
taste and sight.
smell and hearing.
7
Bats rely on.......... to locate their preys in the dark.
echolocation only
echolocation and their sharp hearing
their sharp eyesight and taste
their sharp hearing only
8
In response to a danger,.......... play a critical role in transmitting nerve signals to and from the brain.
the brain
Nerves
blood vessels
sensory receptors.
9
Your sensation of hot weather depends on sensory receptors in the..........
nose.
skin.
ears.
eyes.
10
The sensory organs of a dolphin help it do all of the following, except..........
searching for food.
protecting itself under water.
surviving.
searching for water.
11
If one of the beakers (A) and (B) contains sugar and the other contains salt, we can distinguish between them through the sense of ............
hearing.
touch.
taste.
smell.
12
The nervous system of mammals consists of..........
nerves and the spinal cord only.
the spinal cord only.
the brain only.
the brain, the spinal cord and nerves.
13
Which of the following choices explain how the body reacts to the smell of food in the correct order?..........
The nerves-> the brain-> the nose.
The nose-> the nerves-> the brain.
The brain-> the nose-> the nerves.
The nose-> the brain-> the nerves.
14
The.......... the reaction time to a danger, the greater the chance of survival.
no correct answer
shorter
Longer
both shorter and Longer
15
Closing your eyes quickly when light rays fall on them represents a.........
inhalation.
reflex action.
countershading.
camouflage.
16
When you see a car coming towards you,.......... to get away from it.
sensory receptors in the eyes send a signal to the brain first
sensory receptors in the eyes send a signal to sensory receptors in the ears
sensory receptors in the ears send a signal to the brain first
sensory receptors in the ears send a signal to sensory receptors in the eyes
17
The organ used to differentiate between different scents.
Tongue
Nose
Eyes
Echolocation
18
If you wake up to the smell of grilled chicken, the first part of your body that receive this smell is.........
the sensory receptors in the nose.
the sensory receptors in the skin.
the sensory receptors in the mouth.
the sensory receptors in the ears.
19
A system that works inside the human body such that it keeps the organism away from danger.
Zigzag patterns.
Egyptian jerboa.
Reaction time.
Nervous system.
20
When you hear the fire sirens, your......... send a signal to the brain.
mouth
ears
nose
Eyes
21
Which of the following senses we use during watching a film on the T.V?...........
Hearing and touch.
Sight and hearing.
Sight and taste.
Sight and smell.
22
In both human and owls, we find that the ability to see at night is.........
different.
greater in human than in owls.
better for human at night than during the day.
similar.
23
When snakes make a noise, the sensory receptors found in jerboa's.........send a warning message to the brain.
nose
teeth
feet
ears
24
Reaction time has an important effect in all of the following situations except..........
hearing fire alarm, and people running away from this place.
feeling the hotness of a solid object and moving hands away from it.
seeing red traffic light and applying the brakes to stop the car.
planting some types of plants in a garden.
25
The nervous system can do all the following functions except..........
processing information.
sending signals.
gathering information.
falling of rains.
26
To know if a cup of water is hot or cold, we need to use the sense of..........
smell.
hearing.
sight.
touch.
27
The senses upon which you depend to hold a small radio playing at low volume in a dark room are.....
hearing and smell.
touch and taste.
hearing and touch.
smell and taste.
28
The system responsible for moving your hand away from danger, such as touching a hot cup of tea, is the.......... system.
respiratory
nervous
urinary
digestive
29
The response to a danger begins with.......... and ends with the suitable response.
Nerves
blood vessels
sensory receptors.
the brain
30
An organ in the human body that can distinguish between the smell of vinegar and perfume.
Nose.
Sound waves.
Taste.
Nerves.
31
The sense used to differentiate between smooth and rough surfaces.
Touch
Tongue
Nose
Eyes
32
The organ that processes the information collected through the sense of sight is.........
the nerves.
the brain.
the eyes.
the spinal cord.
33
The time taken by an organism's body to respond to different reactions around it.
Egyptian jerboa.
Nervous system.
Reaction time.
Zigzag patterns.
34
The organ which receives and processes the messages sent from the sensory receptors that are found in a jerboa's ears.
Reaction time.
Nervous system.
Egyptian jerboa.
Brain.
35
A type of waves that can be transferred from your ears to your brain.
Nose.
Sound waves.
Taste.
Nerves.
36
A sense by which you can recognize the sour taste of lemon.
Nerves.
Nose.
Taste.
Sound waves.
37
The organ used to differentiate between different types of food.
Tongue
Echolocation
Eyes
Nose
38
It delivers messages between the spinal cord and different body organs.
Sound waves.
Taste.
Nerves.
Nose.
39
The brain, as the control centre of the nervous system, can deal with.......... at the same time.
four senses only
three senses only
all the five senses
two senses only
40
When a jerboa hears the sound of a moving snake, it............
jumps quickly to run away from the snake.
makes sounds to frighten the snake.
jumps to hunt the snake.
remains standing in its place.
41
Reaction time can be estimated from the time between..........
suitable response, and suitable next response.
sending two messages to the brain by the sensory receptors.
suitable response, and sending message to the brain by the sensory receptors.
sending message to the brain by the sensory receptors, and suitable response.
42
The shorter the reaction time, the............
faster the predator can catch the prey.
longer the time taken by the prey to detect the presence of a predator.
faster the prey can run away from the predator.
less chance the prey survives.
43
The reaction time is always........
about two minutes.
about four minutes.
about three minutes.
less than one second.
44
If you smell smoke from something burning nearby, then you realized you had to move away fast. This means that there is an integration between the........... in this situation.
digestive system and respiratory system
respiratory system and nervous system
digestive system and nervous system
nervous system and urinary system
45
Your sensation of thunder and lightning depends on your senses of..........
hearing and touch.
sight and hearing.
hearing and taste.
sight and smell.
46
To describe the color of your school bag to your friend, you should use the sense of.........
touch.
taste.
smell.
sight.
47
Some animals go out at night in their habitats to..........
search for a predator.
search for air.
sleep in the open air.
search for a prey.
48
When your hand touches the spines of a cactus plant, it is withdrawn in..........
less than one second.
two minutes.
one minute.
one hour.
49
The five senses of humans include........
taste, touch, movement, hearing, and smell.
sight, hearing, taste, smell, and touch.
sight, movement, taste, touch, and smell.
sight, hearing, touch, smell, and movement.
50
Some animals become active during the night due to the following reasons except that..........
the night is a time when preys are available.
the night is characterized by the cool weather.
the night is quiet, so that they can hear preys.
the night is a good time for relaxation and rest.
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