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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.........
different.
better for human at night than during the day.
greater in human than in owls.
similar.
2
The senses upon which you depend to hold a small radio playing at low volume in a dark room are.....
smell and taste.
hearing and touch.
hearing and smell.
touch and taste.
3
The brain, as the control centre of the nervous system, can deal with.......... at the same time.
four senses only
two senses only
all the five senses
three senses only
4
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.
5
Animals that become active at night are called.........
extinct animals.
diurnal animals.
endangered animals.
nocturnal animals.
6
Some animals become active during the night due to the following reasons except that..........
the night is characterized by the cool weather.
the night is a good time for relaxation and rest.
the night is quiet, so that they can hear preys.
the night is a time when preys are available.
7
A snake has the ability to catch preys at night because..........
it can see them clearly at night.
it can hear their heartbeats.
it can smell them.
it can sense the heat of their warm bodies.
8
Both bats and mosquitoes become active during night. Which of the following statements is correct?...........
Both can swim well.
Both can run fast.
Bats prey on mosquitoes.
Mosquitoes prey on bats.
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 tail.
all of its body.
a special part of its back.
a special part of its face.
11
Bats rely on.......... to locate their preys in the dark.
their sharp eyesight and taste
echolocation only
their sharp hearing only
echolocation and their sharp hearing
12
Flying bats don't hit different objects at night because they can.........
smell them.
see them.
touch them.
hear the echo reflected from them.
13
Owls have all the following properties that give them greater ability to sense distant preys making low sounds, except........
weak sense of hearing.
a bowl-shaped face.
large eyes.
a head that turns in all directions.
14
The owl's large eyes and bowl-shaped face considered as......... adaptation.
both structural and behavioral
neither structural nor behavioral
only behavioural
only structural
15
The nervous system of mammals consists of..........
the brain, the spinal cord and nerves.
the spinal cord only.
the brain only.
nerves and 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 from the brain and then back to it.
In two opposite directions first to the brain and then from it.
in one direction only from the brain.
17
Both the spinal cord and nerves........
are located in the backbone.
transmit messages from the brain to all parts of the body and vice versa.
are located in the small intestine.
transmit messages from the brain to all parts of the body only.
18
All of the following are sensory organs except the..........
nose.
skin.
eyes.
lungs.
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 brain-> the nose-> the nerves.
The nose-> the nerves-> the brain.
The nerves-> the brain-> the nose.
21
The organ that processes the information collected through the sense of sight is.........
the eyes.
the brain.
the spinal cord.
the nerves.
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 mouth.
the sensory receptors in the skin.
the sensory receptors in the nose.
the sensory receptors in the ears.
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