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G3 SCIENCE Final Exam Review

Total questions: 84

Worksheet time: 51mins

Name
Class
Date
1.

Choose the best definition of a botanist.

a)

A person who studies stars

b)

A person who studies oceans

c)

A person who studies plants

d)

A person who studies rocks

2.

It is the fourth stage of the life cycle of a plant.

(a)  

3.

It is the third stage of the life cycle of a plant.

(a)  

4.

It is the fifth stage of the life cycle of a plant.

(a)  

5.

It is the second stage of the life cycle of a plant.

(a)  

6.

What is the term for the changes a plant goes through from seed to adult?

a)

Characteristics

b)

Biome

c)

Adaption

d)

Life cycle

7.

Which word means the spreading of seeds away from the parent plant?

a)

Adaption

b)

Germination

c)

Bloom

d)

Disperse

8.

Fill in the blank: The process when a seed starts to grow is called (a)   .

9.

Which option describes native plants?

a)

Plants that never spread

b)

Plants that live only in deserts

c)

Plants grown only in farms

d)

Plants original to an area

10.

Non-native plants are best described as

a)

Plants that are not original to an area

b)

Always harmful

c)

Always helpful

d)

Only trees

11.

Which word matches a plant that spreads beyond where it is not wanted?

a)

Ethanol

b)

Rayon

c)

Bulb

d)

Invasive

12.

Rayon is

a)

A liquid from rain

b)

A gas from air

c)

A metal from rocks

d)

A fabric from corn

13.

Ethanol is

a)

Powder from bark

b)

Salt from soil

c)

Juice from leaves

d)

Fuel from kernels

14.

Seeds are important because they

a)

Start new plants

b)

Make fabric

c)

Cover tree trunks

d)

Store water

15.

Which is an edible bulb?

a)

Bark

b)

Garlic

c)

Rayon

d)

Ethanol

16.

Which is an example of a spring flower bulb?

a)

Tulip

b)

Oak

c)

Corn

d)

Cactus

17.

A bulb is

a)

An underground stem storing nutrients

b)

A leaf that makes sugar

c)

A root that takes in water

d)

A fruit that carries seeds

18.

Which term means describing the difference of one plant to another?

a)

Characteristics

b)

Biome

c)

Adaption

d)

Bloom

19.

Which word means a plant opens its flowers?

a)

Blooms

b)

Bulb

c)

Disperse

d)

Germination

20.

A place where specific plants and animals live - Unscramble "BMIOE"

(a)  

21.

Which term means a change that helps a plant survive?

a)

Rayon

b)

Ethanol

c)

Invasive

d)

Adaptation

22.

Cornmeal is made from ground corn. Choose the correct statement.

a)

Cornmeal is made from ground corn

b)

Cornmeal is made from corn husks

c)

Cornmeal is made from corn leaves

d)

Cornmeal is made from corn cobs

23.

Which item was used for fuel in the past?

a)

Corn cobs were used for fuel

b)

Corn kernels were used for fuel

c)

Corn husks were used for fuel

d)

Corn silk was used for fuel

24.

Rayon is a fabric made from (a)   .

25.

Which statement about corn farming today is correct?

a)

Corn is one of the most farmed crops

b)

Corn grows only in one country

c)

Corn is rarely grown anywhere

d)

Corn is only grown for animals

26.

Which item is made from corn husk products?

a)

Belts, scarves, bags

b)

Shoes, hats, gloves

c)

Jackets, socks, shirts

d)

Moccasins, baskets, masks

27.

Ethanol is made from which part of corn?

a)

Ethanol is made from leaves

b)

Ethanol is made from cobs

c)

Ethanol is made from kernels

d)

Ethanol is made from husks

28.

Whole kernels were used to make masks. Decide if this is true or false.

a)

False, whole kernels were not used to make masks.

b)

True, kernels and cobs were used

c)

False, masks were not made at all

d)

True, whole kernels were used

29.

Corn is a major source of food only for animals. Decide if this is true or false.

a)

False, corn is never eaten

b)

False, people also eat corn

c)

True, animals eat all corn

d)

True, only animals eat corn

30.

Match the plant characteristic to Wild Columbine or Black-eyed Susan: It blooms from June to July.

a)

Both plants bloom June–July

b)

Black-eyed Susan blooms June–July

c)

Wild Columbine blooms June–July

d)

Neither plant blooms June–July

31.

Which plant has flowers that are red with yellow centers?

a)

Neither plant has red with yellow

b)

Wild Columbine has red with yellow

c)

Both plants have red with yellow

d)

Black-eyed Susan has red with yellow

32.

Which plant grows to be up to 50 cm tall?

a)

Neither plant grows up to 50 cm

b)

Wild Columbine grows up to 50 cm

c)

Black-eyed Susan grows up to 50 cm

d)

Both plants grow up to 50 cm

33.

Black-eyed Susan flowers are yellow with dark brown centers. Choose the correct statement.

a)

Black-eyed Susan has yellow with dark brown

b)

Wild Columbine has yellow with dark brown

c)

Both plants have yellow with dark brown

d)

No plant has yellow with dark brown

34.

Which plant needs lots of sunlight to grow?

a)

Black-eyed Susan needs lots of sunlight

b)

Wild Columbine needs lots of sunlight

c)

Both plants need lots of sunlight

d)

Neither plant needs lots of sunlight

35.

Which plant prefers soil that is dry to moist?

a)

Wild Columbine prefers dry to moist soil

b)

Black-eyed Susan prefers dry to moist soil

c)

Neither plant prefers dry to moist soil

d)

Both plants prefer dry to moist soil

36.

Which plant prefers moist soil?

a)

Neither plant prefers moist soil

b)

Black-eyed Susan prefers moist soil

c)

Wild Columbine prefers moist soil

d)

Both plants prefer moist soil

37.

Which plant blooms from May to June?

a)

Wild Columbine blooms May–June

b)

Black-eyed Susan blooms May–June

c)

Both plants bloom May–June

d)

Neither plant blooms May–June

38.

Which plant grows to be 10 to 50 cm tall?

a)

Neither plant grows 10–50 cm

b)

Both plants grow 10–50 cm

c)

Wild Columbine grows 10–50 cm

d)

Black-eyed Susan grows 10–50 cm

39.

Unscramble to complete the science word: TIHTBAA

(a)  

40.

Unscramble to complete the science word: TNCXTIE

(a)  

41.

Unscramble to complete the science word: GARDENEEDN

(a)  

42.

Look at the picture of strawberries. Which plant part do people eat from strawberries?

a)

stems

b)

roots

c)

fruits

d)

flowers

43.

To grow more native plants in our place, we need to remove ________.

a)

invasive

b)

endangered

c)

extinct

d)

habitat

44.

Which plant part of cauliflower is eaten?

a)

fruits

b)

flowers

c)

leaves

d)

seeds

45.

Which plant part do we mainly eat from leeks?

a)

flowers

b)

roots

c)

stems

d)

seeds

46.

Which part are eaten from oranges?

a)

stems

b)

fruits

c)

seeds

d)

leaves

47.

Look at the spinach. Which plant part is eaten from spinach?

a)

roots

b)

flowers

c)

leaves

d)

seeds

48.

Look at the celery. Which plant part is eaten from celery stalks?

a)

stems

b)

fruits

c)

seeds

d)

roots

49.

Which plant part are eaten from apples?

a)

leaves

b)

fruits

c)

seeds

d)

flowers

50.

Which plant part do people eat from lettuce?

a)

seeds

b)

flowers

c)

roots

d)

leaves

51.

Which plant part is eaten from artichokes?

a)

flowers

b)

fruits

c)

seeds

d)

stems

52.

Which plant part do we eat? asparagus

a)

roots

b)

leaves

c)

stems

d)

fruits

53.

Which part do we eat from peppers?

a)

flowers

b)

stems

c)

fruits

d)

seeds

54.

Which plant part do people eat from sunflower?

a)

seeds

b)

roots

c)

stems

d)

leaves

55.

Which plant part are being eaten from potatoes?

a)

fruits

b)

flowers

c)

roots

d)

seeds

56.

Which plant part of a corn do people eat?

a)

flowers

b)

leaves

c)

stems

d)

seeds

57.

Which plant part do we eat from peas?

a)

seeds

b)

leaves

c)

roots

d)

flowers

58.

Which action is most likely to cause plants to lose habitats?

a)

Planting more trees

b)

Watering gardens weekly

c)

Vehicles driving off‑road

d)

Fertilizing fields

59.

Clearing land for animals to graze can affect plant habitats. What is the effect?

a)

Removes plants from the area

b)

Protects rare flowers

c)

Adds soil and nutrients

d)

Creates new plant shelters

60.

A new species takes over a field. What is this called when it harms native plants?

a)

Pollinator species

b)

Medicinal plants

c)

Seasonal plants

d)

Invasive species

61.

Which action can lead to habitat loss for plants?

a)

Over‑picking flowers

b)

Mulching a garden

c)

Composting leaves

d)

Saving seeds

62.

Clearing land for growing crops changes plant habitats. What is one likely result?

a)

More wild plant diversity

b)

More shade for forests

c)

Less space for native plants

d)

Extra homes for wildlife

63.

Seeds emerging the soil with a tiny root coming out.

a)

seedling

b)

young plant

c)

germination

d)

seed

64.

It is the first stage of the life cycle of a plant.

(a)  

65.

Which rainforest layer has the tallest trees that rise above all others?

a)

Forest floor with ground-level plants

b)

Understory layer with short, shady plants

c)

Emergent layer with very tall trees

d)

Canopy layer with medium-height trees

66.

Which layer forms a leafy roof that blocks much of the sunlight?

a)

Forest floor with scattered leaves

b)

Emergent layer with few tall trunks

c)

Canopy layer with dense tree tops

d)

Understory layer with shrubs and vines

67.

Which layer is darkest and covered with soil, fallen leaves, and roots?

a)

Emergent layer above the canopy

b)

Canopy layer high in the trees

c)

Forest floor at the very bottom

d)

Understory layer below the canopy

68.

Which layer is just below the canopy and has shade-loving plants?

a)

Understory layer beneath the canopy

b)

Emergent layer above all trees

c)

Canopy layer made of tree tops

d)

Forest floor with decaying leaves

69.

Fill in the blank: The leafy roof made by many tree tops is called the (a)   .

70.

Match the rainforest layers to their descriptions.

a)

Canopy: ground-level plants and roots

b)

Understory: leafy roof blocking sunlight

c)

Forest floor: shade-loving plants below

d)

Emergent: tallest trees above canopy where they can spread their leaves.

71.

Which example best fits the canopy layer?

a)

A palm grows in shade below the canopy

b)

Tall trees send down buttress roots

c)

Fallen logs feed soil on the ground

d)

An orchid grows high on branches to get its share of sunlight

72.

Which example belongs to the understory layer?

a)

Roots spreading at the base of tall trees

b)

Fallen leaves decomposing on the ground

c)

A tree bursting through the canopy for sun

d)

A palm tree that grows in shade below canopy

73.

Which statement explains why emergent trees get the most sunlight?

a)

They rise above the canopy top

b)

They grow under the leafy roof

c)

They have flowers on side branches

d)

They live on the forest floor

74.

How do fallen logs and dead leaves help the forest healthy?

4 lines
75.

Look at the diagram of people and animals near a tree. Which statement best explains how plants and animals help each other breathe?

a)

Animals breathe out oxygen for plants to use

b)

Plants take in carbon dioxide and give out oxygen

c)

Plants take in oxygen and give out carbon dioxide

d)

Animals and plants both breathe out only oxygen

76.

Which human activity can clear forests and cause loss of forest habitat for plants?

a)

Small backyard gardening by families

b)

Protecting forests with fences

c)

Farming to make fields with crops

d)

Planting native trees in parks

77.

A marsh is filled to build new roads and buildings. What is the most likely impact on plants that live there?

a)

Stronger roots for marsh plants

b)

Cleaner water for marsh plants

c)

Loss of marsh plant habitat

d)

More space for marsh plants

78.

Explain the flow of oxygen and carbon-dioxide cycle. Write in an essay.

4 lines
79.

Factories release pollution that can make acid rain. Select all the impact from acid rain on trees?

a)

Factories helps trees grow taller

b)

Factories causes air pollution.

c)

Gives trees extra water

d)

Dries up our trees.

e)

Trees can die.

80.

Chlorinated plastic cans of human garbage leak harmful chemicals into soil and water. Select the impacts on how this can harm plant life.

a)

Poisons the Plants.

b)

These will stop Seeds and Roots to grow.

c)

It gives more nutrients to the soil.

d)

Making Soil Unhealthy

81.

How can Gardening affects plant life? Select all that applies.

a)

Gardening welcome non-native plants that makes native plants unwanted and forgotten.

b)

Gardening makes people don't want to care of native plants.

c)

Gardening can cause loss of habitat for wild animals and insects.

d)

Gardening makes our homes beautiful.

82.

Select three reasons why planting native plants is good for the environment.

a)

They don't need to be watered or fertilized.

b)

Native Plants support the insects, birds and other animals in a habitat.

c)

It kills wild animals.

d)

It teaches people in the community about their natural heritage.

83.

Select all the impacts of farming to plant life.

a)

Loss of habitat for of native plants.

b)

Farming helps to welcome new plants.

c)

Less Variety of Plants

d)

pulls water out of the plant roots beacuse of Over-fertilizing that adds salts.

84.

How do road construction affect plant life? Select all the applies.

a)

Crushed Soil Stops Roots

b)

Roots Are Cut and Removed.

c)

It scrapes away the top layer of rich, fertile soil (topsoil).

d)

Toxins makes the plants healthy.

e)

Toxins Poison the Area