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Q1 G4 Revision

Total questions: 103

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
2.

Plants need photosynthesis to make ___.

a)

oxygen

b)

carbon dioxide

c)

food

d)

new plants

3.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
4.

The process of photosynthesis takes place in the:

a)

Leaves of the Plant.

b)

Stem of the plant.

c)

Roots of the plant.

d)

All of the above.

5.

The openings that are found in the leaves of plants are called:

a)

Stomata

b)

Chlorophyll

c)

Xylem

d)

Chloroplast

6.

The leaves of plant take in carbon dioxide from the air.

a)

true

b)

false

7.

The basic needs of plants

a)

air, water, sunlight, nutrients, and space

b)

roots, stems, leaves, water, and sunlight

c)

air, roots, stems, sunlight, and space

d)

roots, nutrients, water, stems, and sunlight

8.

A gas that plants need to make their own food

a)

water

b)

oxygen

c)

carbon dioxide

d)

nutrients

9.

Part of the plant that take in water and dissolved nutrients from the soil

a)

stem

b)

roots

c)

leaves

d)

flowers

10.

Part of the plant that supports the plant and is also the plant's transport system

a)

stem

b)

leaves

c)

flowers

d)

cones

11.

Part of the plant that is the site of gas exchange and food production

a)

flowers

b)

leaves

c)

stem

d)

roots

12.

Most flowers have two parts (choose two answers)

a)

male (stamen)

b)

flowers

c)

female (pistil)

d)

seeds

13.

a physical trait or behavior that helps an organism survive in its environment

a)

adaptation

b)

stomata

c)

stimulus

d)

response

14.

Plant's response to water, gravity, light, and touch

a)

stimulus

b)

response

c)

tropism

d)

transpiration

15.

A structure is --

a)

a nonliving thing.

b)

a part of an organism.

c)

when an organism grows and changes.

d)

none of these

16.

What is a function?

a)

a model of a water environment

b)

a nonliving thing

c)

what a structure does

d)

a living thing

17.

A _____ is an organism that uses energy from sunlight to make its own food.

a)

animal

b)

chef

c)

structure

d)

plant

18.

What is the plant structure that makes seeds for new plants to grow?

a)

stem

b)

leaves

c)

roots

d)

flower

19.

The function of the roots is to --

a)

absorb water and nutrients for the plant.

b)

carry food to other parts of the plant.

c)

make seeds for new plants to grow.

d)

make food for the plant.

20.

What is the function of the stem?

a)

to make seeds for the plant

b)

to absorb water and nutrients from the soil

c)

to make food for the plant

d)

to carry water, nutrients and food to other parts

21.

What plant structure is number 1?

a)

roots

b)

stem

c)

leaf

d)

flower

e)

seed

22.

What plant structure is number 2?

a)

roots

b)

stem

c)

leaf

d)

flower

e)

seed

23.

What is the job of the roots?

a)

to make seeds for the plant

b)

to make food for the plant and take in air

c)

to help the flower reproduce

d)

to support the plant and help deliver food, minerals, and water to other parts of the plant

e)

to anchor the plant in place, soak in water, and store food for the plant

24.

What is the job of the stem?

a)

to make seeds for the plant

b)

to make food for the plant and take in air

c)

to help the flower reproduce

d)

to support the plant and help deliver food, minerals, and water to other parts of the plant

e)

to anchor the plant in place, soak in water, and store food for the plant

25.

What three things does a plant need to take in to be able to go through photosynthesis?

a)

sunlight, water, and carbon dioxide

b)

sunlight, water, and oxygen

c)

oxygen, carbon, and hydrogen

d)

water, oxygen, and glucose

26.

What does internal mean?

a)

Outside something

b)

Veins and Arteries

c)

Inside something

d)

Lasts forever

27.

What does external mean?

a)

Inside something

b)

Mutant Superheroes

c)

Outside something

d)

Aliens

28.

What does function mean?

a)

Something's job

b)

A type of cheese

c)

A new social media app

d)

The organised parts of something

29.

What is the function of leaves?

a)

Leaves are tasty so can be used for salad

b)

When you don't want to be somewhere anymore

c)

Leaves take in sunlight and CO2 gas and use it to make food for the plant.

d)

Leaves grow deep underground to absorb water and minerals

30.

"photo" in the word photosynthesis means...

a)

Picture

b)

Light

c)

Selfie

d)

Making

31.

"Synthesis" in the word Photosynthesis means...

a)

Robot

b)

Making

c)

Light

d)

Food

32.

What things does a plant need for photosynthesis?

a)

Sunlight

b)

Friendly words

c)

Water

d)

Carbon Dioxide (CO2)

33.

What is created from photosynthesis?

a)

Oxygen

b)

Seeds

c)

Light

d)

Sugar

34.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

35.
Which plant part absorbs water and nutrients?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
36.

What part of the plant is this?

a)

stem

b)

seeds

c)

leaves

d)

roots

37.

What part of the plant is this?

a)

roots

b)

seeds

c)

flower

d)

stem

38.

What is the function of the roots?

a)

anchors the plant in the ground and absorbs water and minerals

b)

makes seeds

c)

supports the plant and carries water and nutrients up and down to all parts of the plant

39.

Why do animals need oxygen?

a)

a. To provide energy to plants

b)

b. To perform photosynthesis

c)

c. To help them get energy from food

d)

d. To collect water

40.

What is the purpose of a shelter for animals?

a)

a. To play

b)

b. To provide protection and a place to raise young

c)

c. To store food

d)

d. To escape from preys

41.

What do fish use to exchange gases with the water?

a)

a. Gills

b)

b. Lungs

c)

c. Fins

d)

d. Tail

42.

Why do animals need space?

a)

a. to hunt for food

b)

b. to escape from predators

c)

c. to build homes

d)

d. All the previous answers

43.

Which of the following is an example of an external structure?

a)

a. Brain

b)

b. Kidney

c)

c. Stomach

d)

d. A shark's teeth

44.

Which of the following is an internal structure of an animal?

a)

a. A shark's teeth

b)

b. A bird's wings

c)

c. A bird's beak

d)

d. Stomach

45.

The Brain is part of which system?

a)

circulatory system

b)

central nervous system

c)

peripheral nervous system

d)

digestive system

46.

What is included in the nervous system?

a)

Only the sense organs

b)

Only the spinal cord and sense organs

c)

Only the brain, spinal cord, nerves, and sense organs

d)

Only the stomach, skin, and brain

47.

What do animals use to gather information from outside the body?

a)

brain

b)

sensory organs

c)

spinal cord

d)

reflex

48.

All animals can see, smell, taste, touch, and feel just like humans do.

a)

True

b)

False

49.

an action or movement of the body that happens automatically as a reaction to something

a)

reflex

b)

central nervous system

c)

spinal cord

d)

peripheral nerve

50.

a nerve that is not part of the central nervous system and receives sensory information

a)

brain

b)

reflex

c)

nervous system

d)

peripheral nerve

51.

the part of the nervous system that is made up of the brain and spinal cord

a)

brain

b)

central nervous system

c)

peripheral nerve

d)

reflex

52.

what interprets information from the nervous system and controls muscle movement

a)

spinal cord

b)

peripheral nerve

c)

reflex

d)

brain

53.

moves information to and from the brain and peripheral nerves

a)

reflex

b)

spinal cord

c)

central nervous system

d)

brain

54.

Which other internal structure’s function is

most similar to the lungs?

a)

gills

b)

heart

c)

skin

d)

brain

55.

Is the heart an internal or external structure?

a)

Internal

b)

External

56.

Is the structure that receives information  about an animal’s environment

a)

heart

b)

brain

c)

skull

d)

ribs

57.

Which of the following is an internal structure in animals?

a)

Fur

b)

Lungs

c)

Scales

d)

Claws

58.

Which are internal structures of an animal? Select 2 options.

a)

Brain

b)

Beak

c)

Heart

d)

Teeth

59.

The brown coat of a deer helps it blend in with its wooded environment. This adaptation is called:

a)

Camouflage

b)

Mimicry

c)

Tropism

d)

Adaptation

60.

Why do bears have sharp claws?

a)

To help them smell better.

b)

To help them see better.

c)

To help them breathe.

d)

To help them catch their food.

61.

Check all that are internal structures of an elephant

a)

Stomach

b)

Skin

c)

Teeth

d)

Liver

e)

Esophagus

62.

What structures are found inside an organisms body?

a)

external structures

b)

internal structures

63.

What structures are found outside an organisms body?

a)

external structures

b)

internal structures

64.

Which of the following is regarded as an internal structure in animals?

a)

the ear

b)

the stomach

c)

the beak

d)

the fur

65.

A physical feature or trait that helps an animal survive, grow, behave, or reproduce is called?

a)

exoskeleton

b)

stimulus

c)

inherit

d)

adaptation

66.
A turtle's shell helps him
a)
for swimming
b)
for eating
c)
for protection
67.

A bird's wings is a

a)

Structure

b)

Function

68.
What is the bouncing of light waves off a surface?
a)
Refraction
b)
Reflection
c)
Image
d)
Translucent 
69.
What is the bending of light as it passes from one transparent material into another?
a)
Translucent 
b)
Reflection
c)
Refraction 
d)
Transparent 
70.
What is a "picture" that light rays make by bouncing off objects? 
a)
Image 
b)
Cornea 
c)
Refraction
d)
Retina 
71.
Which structure is at the back of the human eye where light through the lens is focused?
a)
Cornea
b)
Pupil
c)
Retina
d)
Rod
72.
A window is an example of something that is _________.
a)
Transparent 
b)
Opaque 
c)
Translucent 
d)
Solid 
73.

Animals use their eyes ___________.

a)

to blink

b)

to see

74.

What part of the eye is sending information from your eye to your brain?

a)

optic nerve

b)

pupil

c)

lens

d)

iris

75.

Which type of animals will have eyes on the front of their heads?

a)

Predator

b)

Prey

c)

Plants

76.

Why do prey have eyes on the side of their heads?

a)

To see their food

b)

To see danger from everywhere

c)

To be able to watch TV better

77.

What do animals do with their eyes?

a)

They look for toy

b)

They look for clothes

c)

They look for food

78.

What is it called when an object completely blocks light from passing through?

(a)  

79.

Animals that have eyes on the sides of their heads are usually (a)   .

80.

What do compound eyes do?

a)

See changes in light.

b)

See far away.

c)

See danger from all directions.

d)

See more clearly.

81.

Which two parts of the eye allow light to pass through it?

a)

cornea

b)

eyelid

c)

pupil

d)

optic nerve

82.

completely blocking light from passing through

a)

reflection

b)

translucent

c)

image

d)

opaque

e)

refraction

83.

letting only some light pass through

a)

reflection

b)

translucent

c)

opaque

d)

image

e)

refraction

84.

Which type of animals will have eyes on the front of their heads?

a)

Predator

b)

Prey

c)

Plants

85.

_____________ tell animals what they need to know about the environment.

a)

internal organs

b)

response

c)

senses

d)

behaviors

86.

What do bats use to sense the world around them at night?

a)

echolocation

b)

camouflage

c)

touch

d)

migration

87.

Last week we used our senses to observe objects. We tasted items, smelled items, and listened to items. What system transferred our observations to our brain?

a)

respiratory system

b)

nervous system

c)

circulatory system

d)

digestive system

88.

Which sense organ allows animals to receive vibrations and detect sound?

a)

skin

b)

nose

c)

ears

d)

mouth

89.

Which sensory organ allows an animal to detect odors that are produced by other animals?

a)

tongue

b)

eyes

c)

ears

d)

nose

90.

Mrs. Berry was describing her curtains to Mrs. Jackson. She said they were thin, silky, and soft. Which sense is Mrs. Berry using to describe her curtains?

a)

hearing

b)

touching

c)

tasting

d)

seeing

91.

Which sense detects flavors to help animals determine if the food is poisonous or not?

a)

hearing

b)

sight

c)

smell

d)

taste

92.

Which sense organ detects scents?

a)

tongue

b)

ear

c)

nose

d)

eye

93.

A prairie dog whistles loudly when it senses danger. When it whistles, all of the prairie dogs nearby run and hide in their burrows. Which sense helps the other prairie dogs receive this warning?

a)

hearing

b)

seeing

c)

tasting

d)

smelling

94.

What is unique about the eyes of giant squids?

a)

They are the smallest of any animal

b)

They are the same size as a human's eyes

c)

They are the largest of any animal

d)

They have no eyes

95.

How do elephants communicate with each other from miles away?

a)

By making low, rumbling noises

b)

By making high-pitched noises

c)

By flapping their ears

d)

By stomping their feet

96.

Where do butterflies have taste buds?

a)

On their wings

b)

On their antennae

c)

On their feet

d)

On their eyes

97.

A (a)   is something that an animal can sense that can cause a response.

98.

What is the sensory organ for taste?

a)

tongue

b)

ears

c)

eyes

d)

skin

e)

nose

99.

What is tropism?

a)

A plant's response to a stimulus

b)

A plant reproducing

c)

An animal's response to a stimulus

d)

A prokaryote's response to a stimulus

100.

Which of these are types of tropism? Select all that apply:

a)

Hydrotropism

b)

Synthetropism

c)

Electrotropism

d)

Gravitropism

101.

What is gravitropism/geotropism?

a)

The movement of a plant in response to gravity

b)

The movement of a plant in response to earthquakes

c)

The movement of bacteria in response to changes in temperature

d)

The movement of plants towards water

102.

What is hydrotropism?

a)

The movement of plants towards water

b)

The movement of plants away from water

c)

The rate of growth of a plant in response to temperature changes in water

d)

A plant's response to gravity and touch

103.

What is phototropism?

a)

The movement of plants towards light

b)

The movement of plants away from light

c)

The movement of plants in response to infrared light

d)

The movement of plants towards water

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