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Classwork on irritability

Total questions: 33

Worksheet time: 17mins

Name
Class
Date
1.
Poison Ivy growing on a tree by touch.
a)
Gravitropism 
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
2.
A plant growing in response to the sunlight. 
a)
Gravitropism 
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
3.
Roots of a tree growing towards the water line of a house. 
a)
Gravitropism 
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
4.
The shoot of a plant growing up. 
a)
Positive Gravitropism 
b)
Negative Gravitropism 
c)
Thigmotropism
d)
Hydrotropism
5.
The root of a plant growing down. 
a)
Positive Gravitropism 
b)
Negative Gravitropism 
c)
Thigmotropism
d)
Hydrotropism
6.
Venus Flytrap flower reacts to a bug. 
a)
Nastic Movement 
b)
Negative Gravitropism 
c)
Thigmotropism
d)
Hydrotropism
7.

any change in an organism’s environment that

causes a response is ................................

a)

Photosynthesis

b)

cellular respiration

c)

Stimuli

d)

Tropism

8.

External stimuli is

a)

change outside plant

b)

change inside plant

c)

Type of photosynthesis

d)

Type of cellular respiration

9.

any change inside plant is

a)

External stimuli

b)

Stimuli

c)

Transpiration

d)

Internal stimuli

10.

Example for of external stimuli is

a)

Hormones

b)

Light

c)

feeling hot

d)

feeling hungry

11.

This example for

a)

Internal stimuli

b)

Thigmotropism

c)

Phototropism

d)

no answer correct

12.

The roots have negative

a)

phototropism

b)

Thigmotropism

c)

Gravitropism

d)

Hormones

13.

Internal stimuli are chemicals, called ____________________ that a plant produces

a)

Light

b)

tough

c)

Temperature

d)

Hormones

14.

Stem has

a)

negative phototropism

b)

positive gravitropism

c)

Positive Phototropism

d)

no answer

15.
A plants directional growth in response to external stimuli is called ________.
a)
Tropism
b)
Taxi
c)
Turgor Pressure
d)
Homeostasis
16.

Which statements are true about nastic movements in plants (select ALL that are true)

a)

All plants are capable of exhibiting nastic movements

b)

Nastic movements are non-directional

c)

Nastic movements occur more slowly than tropisms

d)

Nastic movements often involves changes in cell turgor pressure

17.

Which movement is due to growth of plant?

a)

Nastic movements

b)

Tropic movement

c)

Both

d)

None

18.

Marlo planned to give Katrina sunflowers so he planted one hundred (100) flowering plants of sunflower, he noticed that every day the young sunflower changes its flower direction from east to west. What type of plant movement is this?

a)

Nastic movements

b)

tropic movement

c)

Both

d)

None

19.

Auxin is added to fertilizers used in agriculture; what effect does auxin have on plants stem?

a)

Inhibits elongation

b)

Inhibits cell division

c)

Promotes cell division

d)

Promotes elongation

20.

Marvil is a Florist who uses metal scaffolds for the plants to cling making it a nice ornamental plant. Which of the following tropism is exhibited by the plant?

a)

Phototropism

b)

Thigmotropism

c)

Gravitropism

d)

Hydrotropism

21.

Tropisms is. . .

a)

a directional response of plants to stimuli

b)

Moment of plant towards light

c)

Response of roots with water

d)

Response to gravity

22.

Part of plants which grows towards stimulus is known as

a)

Response in plant

b)

Nastic movement

c)

Negative tropisms

d)

Positive tropisms

23.

Parts in plants that gives positive thigmotropism. (Please choose 2 correct answers)

a)

Leaves

b)

Tendrils

c)

Twining stems

d)

Sensory organs

24.

The GIF shows a type of plant response towards touch. Name the response.

a)

Phototropism

b)

Geotropism

c)

Hydrotropism

d)

Thigmotropism

25.

The GIF shows a type of plant response towards a light. Name the response.

a)

Phototropism

b)

Geotropism

c)

Hydrotropism

d)

Tigmotropism

26.

The GIF shows a type of plant response towards water. Name the response.

a)

Phototropism

b)

Geotropism

c)

Hydrotropism

d)

Tigmotropism

27.

The GIF shows a type of plant response towards gravity. Name the response.

a)

Phototropism

b)

Geotropism

c)

Hydrotropism

d)

Thigmotropism

e)

Nastic movement

28.
What hormone is responsible for phototropism?
a)
Gibberellins
b)
Cytokinins
c)
Ethylene
d)
Auxin
29.

In this picture, what is the stimulus?

a)

The hand

b)

The hot pan

c)

Pulling away the hand quickly

d)

Lighting the stove

30.

In this picture, what is the response?

a)

The pan

b)

The hot stove

c)

Pulling away the hand quickly

d)

Lighting the fire

31.

Used for movement, similar to flagella except they are shorter and there are more of them

a)

cilia

b)

Protist

c)

protozoa

d)

sporozoa

32.

“false feet”, used for movement

a)

pseudopod

b)

cilia

c)

Protist

d)

protozoa

33.

How do amoeboids move?

a)

using cilia

b)

using flagella

c)

using pseudopod

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