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Senses at work - lesson 2
Senses at work - lesson 2
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1
In both human and owls, we find that the ability to see at night is.........
greater in human than in owls.
better for human at night than during the day.
different.
similar.
2
The senses upon which you depend to hold a small radio playing at low volume in a dark room are.....
hearing and smell.
smell and taste.
touch and taste.
hearing and touch.
3
The brain, as the control centre of the nervous system, can deal with.......... at the same time.
two senses only
four senses only
all the five senses
three senses only
4
Some animals go out at night in their habitats to..........
search for air.
sleep in the open air.
search for a prey.
search for a predator.
5
Animals that become active at night are called.........
nocturnal animals.
endangered animals.
extinct animals.
diurnal animals.
6
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 a good time for relaxation and rest.
the night is characterized by the cool weather.
the night is quiet, so that they can hear preys.
7
A snake has the ability to catch preys at night because..........
it can sense the heat of their warm bodies.
it can smell them.
it can hear their heartbeats.
it can see them clearly at night.
8
Both bats and mosquitoes become active during night. Which of the following statements is correct?...........
Both can run fast.
Mosquitoes prey on bats.
Both can swim well.
Bats prey on mosquitoes.
9
If a rat was found at equal distances from an owl and at snake, and it made a quiet move at night, which of the following statements is correct?........
Both of them might reach the rat at the same time because both have sharp eyesight.
The owl might reach it first, if it sensed the rat's body heat.
The owl might reach it first, because owls have sharp eyesight and hearing.
The snake might reach it first, if it heard the rat movement.
10
A snake can sense warm bodies of preys at night using.........
a special part of its face.
a special part of its tail.
all of its body.
a special part of its back.
11
Bats rely on.......... to locate their preys in the dark.
their sharp hearing only
their sharp eyesight and taste
echolocation only
echolocation and their sharp hearing
12
Flying bats don't hit different objects at night because they can.........
see them.
touch them.
hear the echo reflected from them.
smell them.
13
Owls have all the following properties that give them greater ability to sense distant preys making low sounds, except........
large eyes.
weak sense of hearing.
a bowl-shaped face.
a head that turns in all directions.
14
The owl's large eyes and bowl-shaped face considered as......... adaptation.
only behavioural
neither structural nor behavioral
only structural
both structural and behavioral
15
The nervous system of mammals consists of..........
nerves and the spinal cord only.
the brain only.
the brain, the spinal cord and nerves.
the spinal cord only.
16
The electrical impulses that transmit information from the surrounding environment through nerves are..........
in one direction only to the brain.
In two opposite directions first to the brain and then from it.
in two opposite directions first from the brain and then back to it.
in one direction only from the brain.
17
Both the spinal cord and nerves........
transmit messages from the brain to all parts of the body only.
are located in the small intestine.
are located in the backbone.
transmit messages from the brain to all parts of the body and vice versa.
18
All of the following are sensory organs except the..........
skin.
eyes.
lungs.
nose.
19
The nerves transmit information from and to the brain in the form of...........
sound impulses.
electrical impulses.
magnetic impulses.
light impulses.
20
Which of the following choices explain how the body reacts to the smell of food in the correct order?..........
The nose-> the brain-> the nerves.
The nose-> the nerves-> the brain.
The nerves-> the brain-> the nose.
The brain-> the nose-> the nerves.
21
The organ that processes the information collected through the sense of sight is.........
the eyes.
the nerves.
the spinal cord.
the brain.
22
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 ears.
the sensory receptors in the nose.
the sensory receptors in the skin.
the sensory receptors in the mouth.
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