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Grade 6 Science part 2

Total questions: 133

Worksheet time: 1hrs 13mins

Name
Class
Date
1.

Mammals, fish, birds, reptiles and amphibians are all ___.

a)

invertebrate

b)

vertebrate

2.

Which group does it belong to?

a)

invertebrate

b)

vertebrate

3.

What is the major difference between vertebrates and invertebrates?

a)

Vertebrates have a backbone and invertebrates do not.

b)

Invertebrates live in water and vertebrates do not.

c)

Invertebrates have a backbone and vertebrates do not.

d)

Invertebrates are smaller than vertebrates.

4.

Is this animal a vertebrate or invertebrate?

a)

invertebrates

b)

vertebrates

5.

Which group does it belong to?

a)

invertebrate

b)

vertebrate

6.

Which group does it belong to?

a)

vertebrate

b)

invertebrate

7.

Are these animals vertebrates or invertebrates?

a)

vertebrates

b)

invertebrates

8.

Which group does it belong to?

a)

vertebrate

b)

invertebrate

9.

Which group does it belong to?

a)

invertebrate

b)

vertebrate

10.

Crabs, lobsters, and shrimp with hard exoskeletons are ___.

a)

vertebrates

b)

invertebrates

11.

Which group does it belong to?

a)

vertebrate

b)

invertebrate

12.

Which group does it belong to?

a)

invertebrate

b)

vertebrate

13.
Which of these vertebrates doesn't have lungs?
a)
birds
b)
reptiles
c)
fish
d)
mammals
14.

Which of these vertebrates are warm-blooded?

a)

fish/birds

b)

amphibians/reptiles

c)

mammals/birds

d)

mammals/reptiles

15.
Frogs, toads, and salamanders are part of which animal group?
a)
reptiles
b)
amphibians
c)
birds
d)
fish
16.
A bat, cat, and rat are in which vertebrate group?
a)
amphibian
b)
reptile
c)
bird 
d)
mammal
17.
Which class of vertebrates feeds milk to its young?
a)
amphibians
b)
fish
c)
mammals
d)
reptiles
18.
Which kind of animal is born in water but lives on land as an adult?
a)
reptile
b)
mammal
c)
amphibian
d)
fish
19.
Which animal have lightweight, hollow bones?
a)
reptile
b)
birds
c)
fish
d)
amphibian
20.

Which is a characteristic of cold-blooded animals?

a)

They do not maintain a constant internal temperature.

b)

They have a body temperature that stays nearly the same.

c)

Thye can cool their bodies by sweating.

d)

They have to eat a lot of food to keep warm. 

21.
What is the MAIN way that a dog's body maintains a constant temperature?
a)
It crowds together with other animals.
b)
It darkens its skin to absorb more heat.
c)
It tries to spend as much time in the sunlight as possible.
d)
It generates heat by converting food into energy.
22.

Their body covering, feather, is their distinguishing characteristic. They also have lightweight skeleton.

a)

Bird

b)

Fish

c)

Reptiles

d)

Mammals

e)

Amphibians

23.

These are aquatic animals whose bodies are covered with scales. They use their swim bladder to maintain their buoyancy.

a)

Bird

b)

Fish

c)

Reptiles

d)

Mammals

e)

Amphibians

24.

These are cold-blooded animals that are also covered with scales. Most of them are predators with powerful and flexible jaws.

a)

Bird

b)

Fish

c)

Reptiles

d)

Mammals

e)

Amphibians

25.

These are animals whose bodies are covered with hair/fur. They provide nourishment for their young with milk produced by mammary glands of females.

a)

Bird

b)

Fish

c)

Reptiles

d)

Mammals

e)

Amphibians

26.

They are born with gills and develop lungs allowing them to live in terrestrial environments. They are the only vertebrates that undergo metamorphosis.

a)

Bird

b)

Fish

c)

Reptiles

d)

Mammals

e)

Amphibians

27.

They are worms with flat bodies.

a)

Platyhelminthes (Flatworms)

b)

Nematoda (Roundworms)

c)

Porifera (Poriferans)

d)

Cnidaria (Cnidarians)

28.

They are worms with smooth and round bodies.

a)

Platyhelminthes (Flatworms)

b)

Nematoda (Roundworms)

c)

Porifera (Poriferans)

d)

Cnidaria (Cnidarians)

29.

They have bodies full of pores, allowing water to circulate through them.

a)

Platyhelminthes (Flatworms)

b)

Nematoda (Roundworms)

c)

Porifera (Poriferans)

d)

Cnidaria (Cnidarians)

30.

They are soft-bodied animals with special stinging structures called nematocysts.

a)

Platyhelminthes (Flatworms)

b)

Nematoda (Roundworms)

c)

Porifera (Poriferans)

d)

Cnidaria (Cnidarians)

31.

Which of the following is an invertebrate?

a)

Cat

b)

Snail

c)

Goldfish

d)

Humans

32.

What does invertebrate mean?

a)

Animals without a backbone

b)

Animals that change their form

c)

Animals with a backbone

d)

Animals that lay eggs

33.

A butterfly is a type of vertebrate.

a)

True

b)

False

34.
I have a soft-body, a hard shell, and live on land and water.  What am I?
a)
Mollusk
b)
Arthropod
c)
Echinoderm
d)
Cnidarian
35.

Sponges (Porifera)

a)

Radial Symmetry

b)

Bilateral Symmetry

c)

Asymmetry

36.

Jellyfish (Cnidaria)

a)

Radial Symmetry

b)

Bilateral Symmetry

c)

Asymmetry

37.

Planaria (Platyhelminthes)

a)

Radial Symmetry

b)

Bilateral Symmetry

c)

Asymmetry

38.

Leech (Annelida)

a)

Radial Symmetry

b)

Bilateral Symmetry

c)

Asymmetry

39.

Octopus (Mollusca)

a)

Radial Symmetry

b)

Bilateral Symmetry

c)

Asymmetry

40.

Sand Dollar (Echinodermata)

a)

Radial Symmetry

b)

Bilateral Symmetry

c)

Asymmetry

41.

They are worms with bodies divided into segments.

a)

Annelida (Segmented Worms)

b)

Mollusca (Mollusk)

c)

Echinodermata (Echinoderms)

d)

Arthropoda (Arthropods)

42.

They are animals with soft bodies and have distinctive muscular foot.

a)

Annelida (Segmented Worms)

b)

Mollusca (Mollusk)

c)

Echinodermata (Echinoderms)

d)

Arthropoda (Arthropods)

43.

They are spiny-skinned animals with tube feet used for movement and food-getting.

a)

Annelida (Segmented Worms)

b)

Mollusca (Mollusk)

c)

Echinodermata (Echinoderms)

d)

Arthropoda (Arthropods)

44.

They are animals with jointed legs and considered as the most successful group in terms of numbers. 

a)

Annelida (Segmented Worms)

b)

Mollusca (Mollusk)

c)

Echinodermata (Echinoderms)

d)

Arthropoda (Arthropods)

45.

When classifying animals, the first thing scientists do is to check if a particular animal has a backbone.

a)

True

b)

False

46.
a)
Poriferan
b)
Coelenterates
c)
Echinoderms
d)
Mollusks
47.
a)
Poriferan
b)
Arachnid
c)
Echinoderm
d)
Mollusk
48.
a)
Poriferan
b)
Arthropod
c)
Echinoderm
d)
Mollusk
49.
a)
Poriferan
b)
Mollusk
c)
Annelids
d)
Arthropods
50.
a)
Poriferan
b)
Mollusk
c)
Platyhelminthes
d)
Echinoderm
51.
a)
Poriferan
b)
Mollusk
c)
Annelid
d)
Coelenterates
52.
a)
Mollusk
b)
Echinoderm
c)
Annelid
d)
Crustacean
53.
a)
Annelid
b)
Arthropod
c)
Mollusk
d)
Nematode
54.
a)
Mollusk
b)
Poriferan
c)
Arthropod
d)
Platyhelminthes
55.
a)

Mollusk

b)

Poriferan

c)

Arthropod

d)

Annelid

56.

I am an arachnid, have four pairs of legs, and a body with two sections.

a)

Echinoderm

b)

Annelid

c)

Arthropod

d)

Porifera

57.

A horizontal stem above the ground.

a)

stolon

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

58.

These are enlarged roots containing stored food.

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

59.

Underground stem that grows horizontally.

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

60.

An underground stem containing nodes and stored food.

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

61.

It is an underground stem surrounded by fleshy leaves that serve as storage of food as in onion.

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

62.

It is an underground stem made of solid tissues.

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

63.

SWEET POTATO (KAMOTE)

a)

stolon

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

64.

Ginger

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

65.

Potato

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

66.

ONION

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

67.

Gabi

a)

bulb

b)

root tuber

c)

rhizome

d)

stem tuber

e)

corm

68.

Vegetative propagation is a/an _________ method of reproducing plants using vegetative structures such as stems, roots, and leaves.

a)

asexual

b)

sexual

c)

neither

d)

both

69.
part of a plant is removed to grow another plant
a)
cutting
b)
planting
c)
tuber
d)
eating
70.

a)

leaf cutting

b)

leaf bud cutting

c)

root cutting

d)

stem cutting

71.

Asexual reproduction requires the union of gametes or sex cells.

a)

True

b)

False

72.

Plants may reproduce asexually with their leaves, stem, roots, but not seeds.

a)

True

b)

False

73.

Only one parent is required in asexual reproduction.

a)

True

b)

False

74.

The offspring in asexual reproduction are genetically identical to the parents.

a)

True

b)

False

75.

Vegetative propagation is asexual reproduction in plants.

a)

True

b)

False

76.

A type of reproduction among plants that requires fertilization

a)

Asexual

b)

Sexual

77.

A type of reproduction among plants that does not require gametes

a)

Asexual

b)

Sexual

78.

a)

Bulb

b)

Corm

c)

rhizome

d)

stolon

e)

tuber

79.

a)

Bulb

b)

Corm

c)

rhizome

d)

stolon

e)

tuber

80.

a)

root tuber

b)

Corm

c)

rhizome

d)

stolon

e)

tuber

81.

a)

root tuber

b)

Corm

c)

rhizome

d)

stolon

e)

tuber

82.

Identify the method of artificial vegetative propagation

a)

Marcoting

b)

Layering

c)

Grafting

d)

Budding

e)

Stem Cutting

83.

Identify the method of artificial vegetative propagation

a)

Marcoting

b)

Layering

c)

Grafting

d)

Budding

e)

Stem Cutting

84.

Identify the method of artificial vegetative propagation

a)

Marcoting

b)

Layering

c)

Grafting

d)

Budding

e)

Stem Cutting

85.

Identify the method of artificial vegetative propagation

a)

Marcoting

b)

Layering

c)

Grafting

d)

Budding

e)

Stem Cutting

86.

Identify the method of artificial vegetative propagation

a)

Marcoting

b)

Layering

c)

Grafting

d)

Budding

e)

Stem Cutting

87.

Identify the image.

a)

Life cycle of Fern

b)

Life cycle of Moss

c)

Life cycle of a flowering plant

88.

Identify the image

a)

Life cycle of fern

b)

Life cycle of moss

c)

Life cycle of a flowering plant

89.

What is this plant structure called?

a)

Cone

b)

Seed

c)

Flower

d)

Fruit

90.
When mosses and ferns reproduce, what do they produce in the first cycle?
a)
spores
b)
fronds
c)
sperm
d)
egg
91.
In moss' life cycle, how does a sperm cell get to an egg cell? 
a)
through the help of water 
b)
through self-pollination
c)
through cross-pollination
d)
through the help of the wind
92.

The fern (mature sporophyte) releases spores from the sori.

a)

True

b)

False

93.

A. The sperm from the male gametophyte swims through the water to meet the egg from the female gametophyte.

B. The male and female gametes are formed at the leafy tips of the gametophyte.

C. The zygote grows into a sporophyte with a capsule containing the spores.

D. Fertilization takes place and a zygote is formed.

E. The spores are released and grow if it reached a damp place.

a)

E B A D C

b)

E A D B C

c)

E D A B C

d)

E D A C B

94.

A. The sporangia of a mature fern plant releases spores

B. Sperm cells from antheridium are released and swim to the egg cell in archegonium where fertilization takes place.

C. The spores land on soil and develop into a heart-shaped gametophyte called prothallus.

D. When conditions are right, the curled sporophyte straightens and becomes the frond of a fern, and the cycle continues.

E. The resulting zygote grows as a sporophyte which looks like a curly leaf.

a)

A C B E D

b)

A B E C D

c)

A B C D E

d)

D C B E A

95.

The reproduction in flowering plants like mosses, ferns and pine trees involves the alternation of generations.

a)

True

b)

False

96.

In the life cycle of a moss plant, the _______ stage is more dominant.

a)

SPOROPHYTE

b)

GAMETOPHYTE

97.

In the life cycle of a fern plant, the ___________stage is more dominant.

a)

SPOROPHYTE

b)

GAMETOPHYTE

98.

In the life cycle of gymnosperm plants like pines, cedars and spruces, the __________stage is more dominant.

a)

SPOROPHYTE

b)

GAMETOPHYTE

99.

Which of the following is true about cone-bearing plants?

a)

They produce flowers and fruits.

b)

They produce spores and cones.

c)

They produce fruits enclosed within a cone.

d)

They produce seeds enclosed within a cone.

100.

Which of the following is an example of a cone-bearing plant?

a)

pine tree

b)

fern

c)

horsetail

d)

liverwort

101.

Which of the following statements is true about the life cycles of a pine tree and a fern plant?

a)

They both undergo an alternation of generation.

b)

The sporophyte of pine tree is found in its cones.

c)

The life cycles of these plants undergo asexual reproduction.

d)

The gametophyte stage of these plants is dominant compared to their sporophyte stage.

102.

The life cycle of spore-bearing and cone-bearing plants consist of two different life stages – sporophyte and gametophyte.

a)

True

b)

False

103.

 What is the function of spores in a fern plant?  They ________________.

a)

become the mature fern plants

b)

become seeds protected in cones

c)

produce the egg and sperm cells

d)

develop into gametophytes (prothallus)

104.

Why do moss plants need to grow in damp or moist places?

a)

They make use of the water to move.

b)

The water is their only source of food.

c)

They have the water plants as their ancestors.

d)

The male gametes swim through the water to reach the egg cell. 

105.

Which of the following plant samples are spore-bearing plants?

a)

cedar

b)

moss

c)

pine tree

d)

sprucess

106.

__________is an aquatic ecosystem found in mid-latitudes between the tropics.

a)

CORAL REEF

b)

TROPICAL RAINFOREST

c)

MANGROVE SWAMP

107.

__________________ is an ecosystem with a dominant organism that has a symbiotic relationship with Zooxanthellae, a photosynthetic alga.

a)

CORAL REEF

b)

TROPICAL RAINFOREST

c)

MANGROVE SWAMP

108.

A __________has a warm and rainy climate.

a)

CORAL REEF

b)

TROPICAL RAINFOREST

c)

MANGROVE SWAMP

109.

______________are characterized by slow-moving waters that are surrounded by plants and trees like the mangroves.

a)

CORAL REEF

b)

TROPICAL RAINFOREST

c)

MANGROVE SWAMP

110.

Plants and animals that can survive in salty environments are usually found in ______________.

a)

CORAL REEF

b)

TROPICAL RAINFOREST

c)

MANGROVE SWAMP

111.

Home to a wide-range of plant and animal diversity found between the tropics

a)

CORAL REEF

b)

TROPICAL RAINFOREST

c)

MANGROVE SWAMP

112.

found along the shoreline that serves as breeding ground and nursery for juvenile fish

a)

CORAL REEF

b)

TROPICAL RAINFOREST

c)

MANGROVE SWAMP

113.
What does every food chain start with? (Even if it's not drawn or written there!)
a)
producers
b)
sun
c)
consumer
d)
decomposers
114.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
115.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
116.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
117.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
118.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
119.
Where an organism lives
a)
habitat
b)
niche 
c)
heterotrogh
d)
biosphere
120.
In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
121.
Which one is not a consumer?
a)
anemone 
b)
bear
c)
shark
d)
vulture
122.
An illustration that uses arrows to show the MANY possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
123.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
124.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
125.
A graphic illustration that shows each trophic level and the amount of useable energy contained within.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
All of these
126.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
127.
As you move upward, from level to level, in an energy pyramid, energy _____.
a)
increases
b)
decreases
c)
stays the same
d)
increases exponentially
128.
 plants that convert energy from the sun
a)
decomposer
b)
primary consumer
c)
secondary consumer
d)
producer
129.
What are the Abiotic factors in this image? 
a)
water, sunlight, dirt, air
b)
birds and plants
c)
birds, water, dirt
d)
plants, water
130.
a deer population has significantly increased, the best hypothesis is 
a)
the deer's main predator has been eliminated
b)
competition increased
c)
decreased water levels of local ponds
d)
organisms that rely on similar food sources migrated to the area
131.

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

a)

There would be a decrease in the small bird population.

b)

There would be a decrease in the grass/flowers population.

c)

There would be a decrease in the mice population.

d)

There would be an increase in the grass/flowers population.

132.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
133.
In this food chain, what will happen if the frogs become extinct?
a)
The snakes will increase.
b)
The grasshoppers will decrease.
c)
The eagles will remain the same.
d)
The grasshoppers will increase.