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Science Form 3_Chap 1.3 & 1.4

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.

A stimulus is ___________

a)

a change in an organisms surroundings.

b)

process in which organisms grow larger.

c)

a reaction to a change in surroundings

d)

tropism

2.

what type of tropism is occurring here?

a)

phototropism

b)

thigmotropism

c)

geotropism

d)

tropictropism

3.

What type of tropism response to water?

a)

Hydrotropism

b)

Geotropism

c)

Thigmotropism

d)

Phototropism

4.

A vine plant brushes against a fence and wraps itself around the fence. To what stimulus is the plant responding?

a)

phototropism

b)

hydrotropism

c)

thigmotropism

d)

geotropism

5.

Plant’s roots grow down, anchoring it into the soil. To what stimulus is the plant responding?

a)

thigmotropism

b)

hydrotropism

c)

phototropism

d)

geotropism

6.

What is an example of a stimulus for plants?

a)

Touch

b)

Gravity

c)

Light

d)

all of the above

7.

Mimosa sp. responds to touch by folding its leaves inwards when touched. The responds occurs rapidly.

a)

Thigmotropism

b)

Phototropism

c)

Geotropism

d)

Nastic movement

8.

This is Venus flytrap. What stimulus does it use to trap the insects?

a)

Light

b)

Water

c)

Gravity

d)

Touch

9.

The roots of a plant grow down because it is respond to....

a)

Gravity

b)

Light

c)

Temperature

d)

All of the above

10.

This part of the plants respond to light.

a)

Leaves

b)

Root

c)

Shoot

d)

Branch

11.

The root of a plant responds to ............... and ................. .

a)

light

b)

gravity

c)

touch

d)

water

12.

Plants tend to grow towards where the ________ is.

a)

Dark

b)

Cold

c)

Light

d)

Heat

13.

The plants in the above diagram respond to....

a)

Light

b)

Water

c)

Touch

d)

Gravity

14.
When the plant grows toward the stimuli
a)
Positive
b)
Negative
15.
When the plant grows away from the stimuli
a)
Positive 
b)
Negative
16.

A plant’s roots grow thicker near the stream than away from the stream. To what stimulus is the plant responding?

a)

thigmotropism

b)

hydrotropism

c)

phototropism

d)

geotropism

17.

It is directional response of plants to stimuli.

This refer to

a)

Respond

b)

Tropism

c)

Effector

d)

Receptor

18.

Plants can detect stimulus including ..

a)

Sound

b)

Light

c)

Water

d)

Gravity

e)

Touch

19.

Human and predator animals has .....vision

a)

Stereoscopic

b)

Monocular

20.

Human and predators animals have a pair of eyes located ....of their head

a)

side

b)

in front

21.

Diagram shows a...vision

a)

Stereoscopic

b)

Monocular

22.

Diagram shows a ...vision

a)

Stereoscopic

b)

Monocular

23.

Field of vision in stereoscopic is narrow.

a)

True

b)

False

24.

The overlap field of vision is bigger. This vision overlap produce....dimension of images

a)

1

b)

2

c)

3

25.

Stereoscopic vision helps predators to....

a)

hunt

b)

running away from enemy

26.

Image formed in non-overlapping vision is ....dimensional images.

a)

1

b)

2

c)

3

27.

Two dimensional image prevent prey to estimate distance, size and depth of object accurately.

a)

True

b)

False

28.

Monocular vision helps preys to

a)

estimate distance accurately

b)

running away from predators

29.

In this type of vision, eyes located ....of head

a)

In front

b)

Sides

30.

3 dimensional images form in overlapping field allow predators to estimate accurately the ....of object

a)

Distance

b)

Size

c)

Depth

31.

This is....vision

a)

Stereoscopic

b)

Monocular

32.

Most predator has this type of vision

a)

True

b)

False

33.

Stereoscopic hearing is hearing using both ears

a)

True

b)

False

34.

Blind people use their ears function as sight .

a)

True

b)

False

35.

The difference between time and loudness of the sound received by both ears detected by our brain will help us to detect direction of sound source

a)

True

b)

False

36.

Human ears can detect frequencies of sound between .... Hz.

a)

2 to 2000

b)

20 to 20 000

c)

10 to 1000

d)

100 to 10 000

37.

Responses to stimuli ensure survival of animals on Earth

a)

True

b)

False

38.

Lateral line of fish body help it to detect vibration of earthquake

a)

True

b)

False

39.

Electric eel produce electric field to predators to protect itself

a)

True

b)

False

40.

This animal has ______________

a)

Monocular vision

b)

Stereoscopic vision

c)

Stereophonic vision

d)

Trinocular vision