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NATURAL FINAL EXAM

Total questions: 100

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

What part of the cell is a viscous liquid which the organelles float in?

a)

Cell membrane

b)

Nucleus

c)

Cytosplasm

d)

Cell wall

e)

Chloroplast

2.

All living things are made of ...

a)

Cells

b)

Water

c)

Blood

d)

Organelles

e)

Veins

3.

What vital functions does a cell performance?

a)

Nutrition, interaction, speaking

b)

Nutrition, interaction, reproduction.

c)

Nutrition, interaction, motion.

d)

Nutrition, interaction, action

e)

Nutrition, interaction and deduction

4.

In order to observe the cells, you need to look through…

a)
b)
c)
d)
e)
5.

Fungi …

a)

are microscopic organisms

b)

are a type of very small plant

c)

eat the remain of other living things

d)

eat the remain of the dust and grass

e)

eat bread crumbs and specially with mould

6.

Which of the following sentences is correct?

a)

All bacteria eat other living things

b)

Protozoa are microscopic organisms

c)

Algae, plants and some protozoa produce their own food

d)

Fulcrum is considered a very famous living thing

e)

Girder is very important for the survival

7.

The levels of organization in a bee are:

a)

cell – tissue – organ – system – bee

b)

cell – worker –drone –queen

c)

cell – tissue – organ – system- animal

d)

cell – tissue – bee – organ

e)

cell – tissue – organ – system – buffalo

8.

When palm trees grow towards the sunlight is because of

a)

reproduction function

b)

hydrotropism function

c)

gravitopism function

d)

interaction function

e)

sensitive function

9.

Reproduction enables living things to produce ___________ similar to themselves.

a)

Octopus

b)

Offspring

c)

Offset

d)

Offer

e)

animals

10.

____________ such as the eyes , ears and skin, capture information from our surroundings.

a)

nervous system

b)

digestive system

c)

sense organs

d)

musculoskeletal system

e)

diarrhea system

11.

Living things that are composed of ______________ are called multicellular organisms

a)

three or more cells

b)

four or more cells

c)

two or more cells

d)

five or more cells

e)

eight or more cells

12.

What is the meaning of the word ‘set’?

a)

to look like something else

b)

a situation where you might get hurt

c)

a group of the same kind of things that belong together

d)

longer and thinner than usual

e)

a delicious hamburger with cheese

13.

The role of nutrition is to transform food into ________ substances called __________

a)

nutrients / simple

b)

simple / oxygen

c)

simple / nutrients

d)

nutrients / germination

e)

crumbs / substances

14.

____________ is a rigid structure that surrounds the cell membrane and protects the cell.

Nucleus

a)

Chloroplasts

b)

Cell wall

c)

Chloroplasts

d)

Cytoplasm

15.

The grouping together of a set of tissues which perform the same function is called:

a)

Organs

b)

Organism

c)

Organic

d)

Organise

16.

________ are enlongated. These cells expand and contract

a)

Epithelial cells

b)

Muscle cells

c)

Nerve cells

d)

Mushroom cells

17.

Nerve cells are ____________ with long extensions or “arms”

a)

flat-shaped

b)

star-shaped

c)

body-shaped

d)

heart-shaped

e)

bottle-shaped

18.

__________ carries blood with oxygen and nutrients all over the body and collects waste substances and carbon dioxide

a)

Respiratory system

b)

Digestive system

c)

Excretory system

d)

Circulatory system

e)

Reproductive system

19.

One of the following routines is not a healthy habit

a)

Have a good posture

b)

Do physical exercise

c)

Eat fast and convenience foods

d)

Spend time with family and friends

e)

Eat fruit and vegetables

20.

What do we mean by “resemble”?

a)

naked eye

b)

when you perceive a threat

c)

look like something else

d)

capture sunlight to make food

e)

discover new trading routes

21.

What does this photograph show?

a)

shoal of clownfishes

b)

population of sardines

c)

community of sardines

d)

herd of sardines

e)

family of clownfishes

22.

Which of the following organisms is the simplest on earth?

a)

bacteria

b)

alga

c)

protozoa

d)

amoeba

e)

snake

23.

Which of these statements is not true?

a)

plants are unicellular

b)

animals are multicellular

c)

protozoa are unicellular

d)

bacteria are unicellular

24.

Spot the one that is not a bacteria

a)

bacillus

b)

cyanobacteria

c)

proteobacteria

d)

pulficter

25.

Examples of protozoa are:

a)

Amoebas and crabs

b)

Amoebas and yeast

c)

Amoebas and paramecium

d)

Amoebas and predators

e)

Amoebas and cats

26.

When you have flu o measles it´s because a _________ has infected you.

a)

germ

b)

virus

c)

bacteria

d)

rotten food

27.

There are multicellular fungi such as ______ and moulds and unicellular such as _________

a)

mushroom / yeast

b)

yoghurt / cheese

c)

bread /cheese

d)

mushroom / cheese

28.

___________ do not have tissues or organs. They feed on the remains of other living things.

a)

plants

b)

fungi

c)

algae

d)

cyanobacteria

29.

To classify all living things into the five kingdoms we should study their

a)

cytoplasm

b)

nucleus

c)

cellular structure

d)

nothing

e)

molecule

30.

Viruses do not perform vital functions. They need to infect another organism in order to ______________

a)

Breath

b)

Move

c)

Reproduce

d)

Grow

e)

Interact

31.

Protozoa belongs to the _______

a)

Animal kingdom

b)

Protista kingdom

c)

Protest kingdom

d)

Plant kingdom

e)

Plankton kingodm

32.

In order to reproduce fungi produces ________

a)

Flowers

b)

Seeds

c)

Spores

d)

Stones

e)

Organism

33.

The cells of this kind of fungi form clusters and have fluffy appearance, similar to cotton wool.

a)

Powder

b)

Capped fungi

c)

Moulds

d)

Yeasts

e)

Mustard

34.

This type of microscopic fungi is used in the food industry to make bread, wine and cheese.

a)

Mould

b)

Yeast

c)

Ham

d)

Paramecium

e)

Crumbs

35.

Diseases caused by bacteria are treated with

a)

Viruses

b)

Syringes

c)

Antibiotics

d)

Vaccine

e)

Herbs

36.

A group of living things of the same species living together in an environment with certain characteristics make up a:

a)

Specie

b)

Population

c)

Community

d)

Biosphere

e)

Food chain

37.

What is the meaning of the word "reef"?

a)

the living surface of our planet

b)

the combination of all the communities in the planet

c)

a line of rock or coral in the sea

d)

the tidal mouth of a large river, where the tide meets the stream

e)

none of the above

38.

Relationships between living organisms of the same species are called:

a)

intraspecific

b)

intrepid

c)

interspecific

d)

interconnected

e)

specific

39.
You see a grasshopper on a leaf. What could you say about how the grasshopper gets its energy?
a)
It gets energy from the air.
b)
It gets energy from the leaf.
c)
It gets energy from soil.
d)
It gets energy from water.
40.
Which of these is the source of energy for berries, fruits, and nuts?
a)
air
b)
soil
c)
water
d)
sunlight
41.
A food chain is made up of carrots, rabbits, foxes, and lions. Which of the following is the original source of energy for all of the organisms in the food chain?
a)
air
b)
ice
c)
water
d)
sunlight
42.

Which of the following is not possible in a food chain?

a)

A producer getting energy from another producer.

b)

A food chain with a producer.

c)

A food chain with a carnivore.

d)

A food chain with an omnivore

e)

A food chain with a rabbit

43.
When the owl eats a rabbit, what is the role of the owl in the food chain?
a)
herbivore
b)
consumer
c)
omnivore
d)
producer
44.

Some species of animals live in herds to _________ themselves from predator´s attacks.

a)

breed

b)

protect

c)

reproduce

d)

hunt

e)

shoot

45.

When one organism lives in another, called the host, is known as:

a)

symbiosis

b)

predation

c)

parasitism

d)

mutualism

e)

terrorism

46.

This is a close relationship between two organisms, where neither could survive in its environment without the other.

a)

parasitism

b)

protection

c)

mutualism

d)

symbiosis

e)

escapism

47.

Plants need four substances to make their own food:

a)

glucose, water, resin and raw sap

b)

glucose, water, carbon dioxide and raw sap

c)

water, minerals, sunlight and carbon dioxide

d)

soil, vitamins, sunlight and water

e)

carbon dioxide, minerals, water, suncream

48.

_____________ capture sunlight and carbon dioxide from the air.

a)

leaves

b)

trunk

c)

roots

d)

petals

e)

peduncle

49.

_______________ are the oldest and largest plants on earth.

a)

cactus

b)

water lily

c)

pines

d)

sequoia

e)

chestnut

50.

__________ enable plants to take in water and minerals from the soil.

a)

vessel

b)

stems

c)

roots

d)

branches

e)

veins

51.

________ like apple trees, are plants that grow fruit with seeds.

a)

ferns

b)

angiosperms

c)

mosses

d)

gymnosperms

e)

angrybirds

52.

Plants make their own food through:

a)

respiration

b)

photosynthesis

c)

raw sap

d)

elaborated sap

e)

saucepan

53.

Leaves absorb energy from sunlight through a green pigment called:

a)

phloem vessels

b)

stomas

c)

elaborated sap

d)

xylem vessels

e)

chlorophyll

54.

During respiration, plants absorb _________ from the air.

a)

sun

b)

carbon dioxide

c)

oxygen

d)

water vapour

e)

methane

55.

The ________ is the female organ of the flower:

a)

petal

b)

pistil

c)

peduncle

d)

anther

e)

payroll

56.

When the male and female parts are inside the same flower it is:

a)

female flower

b)

male flower

c)

hermaphrodite flower

d)

strange flower

e)

fertilization

57.

The process where grains of pollen are transported from the stamens of one flower to the pistil is called:

a)

seed dispersal

b)

pollination

c)

purification

d)

fertilization

e)

starvation

58.

When a seed finds a good place to grow, the roots and stem of the new plant begin to grow:

a)

Seed dispersal

b)

Pollination

c)

Fertilization

d)

Germination

e)

Disembarkation

59.

These constitute the male reproductive organ. They are filaments with little sacks on the end called anthers:

a)

anthers

b)

stamens

c)

stigma

d)

stamina

e)

style

60.

Stems that produce new roots when they are separated from the parent plant.

a)

stolons

b)

cuttings

c)

bulbs

d)

rhizomes

e)

tubers

61.

There are different types of fragmentation by which plants reproduce:

a)

hermaphrodite

b)

asexually

c)

sori

d)

sexually

e)

cross-pollination

62.

Sacks that contain thousands of spores. They are located under the fern leaves.

a)

sori

b)

stolons

c)

bulbs

d)

ferns

e)

facade

63.

Above-ground stems that grow horizontally are:

a)

tubers

b)

cuttings

c)

stolons

d)

rhizomes

e)

bulbs

64.

There are two different ways plants move: ________ and _______ movements.

a)

nastic / trophy

b)

nastic / tropic

c)

nastic / tropical

d)

nasic / tropic

e)

nasty / tropic

65.

Plants can also respond to environmental changes in:

a)

light, humidity and temperature

b)

light, floods and temperature

c)

light, drought and temperature

d)

light, rain and drain

66.

If a carnivorous plant suddenly closes its leaves when an insect touches it.

a)

nastic movement

b)

tropic movement

c)

tropical movement

d)

nasty movement

e)

troop movement

67.

What is the meaning of “seal”

a)

a mark left on the skin or within body tissue

b)

dead plants and animals

c)

fasten or close tightly

d)

waste matter, sewage containing excrement.

e)

a hollow place in a solid body or surface

68.

In an ecosystem, most living things are part of several ________ . When we connect them, we make a ___________

a)

fast webs / food chain

b)

food webs / food chain

c)

food chains / food web

d)

food web /ecological balance

e)

fast food / food chain

69.

The fox in this food web would be considered a:

a)

Tertiary Consumer

b)

Producer

c)

Secondary Consumer

d)

Primary Consumer

e)

None of the above

70.

_________ is a word that means dense evergreen forest. It covers the very north of Europe, Asia and North America.

a)

savannah

b)

shrub

c)

taiga

d)

rainforest

e)

jungle

71.

This is an area of wooded land next to the banks of a river:

a)

scrubland

b)

city

c)

riparian forest

d)

pasture

e)

oak grove

72.

Terrestrial ecosystems vary according to __________ , due to a drop in temperature and increase of rainfall.

a)

latitude

b)

altitude

c)

gravity

d)

magnitude

e)

gratitude

73.

When a big change affects the balance of living things, it can lead to the:

a)

oil spills

b)

cold snap

c)

increasing number of plagues

d)

green house effect

e)

extinction of species

74.

Animals that have a thick layer of fat to keep warm usually live in:

a)

temperate forests

b)

cold desert ecosystem

c)

warm desert ecosystem

d)

savannah ecosystem

e)

tropical ecosystem

75.

Living things that live underwater also live in ecosystems. These can be in ___________ or _____________

a)

freshwater ecosystem / salt ecosystem

b)

freshwater ecosystem / marine ecosystem

c)

ocean ecosystem / marine ecosystem

d)

lake ecosystem / river ecosystem

e)

terrestrial ecosystem / river ecosystem

76.

__________ are primary producers in marine ecosystems

a)

zooplankton

b)

phytoplankton

c)

coral

d)

aquatic fungi

e)

reef

77.

Algae grow in _______________ attached to ocean floor.

a)

shallow water

b)

filthy water

c)

deep water

d)

fresh water

e)

frozen water

78.

In an aquatic ecosystem decomposers are _________ , _________ and other __________ .

a)

zooplankton, coral and anemones.

b)

zooplankton, coral and shrubs.

c)

fungi, bacteria and microorganisms.

d)

fungi, bacteria and sharks.

e)

fungi, bacteria and lions.

79.

____________ is between 200 and 1,000 metres deep. Photosynthesis is not possible here.

a)

coastal zone

b)

middle zone

c)

deepest zone

d)

danger zone

e)

dark zone

80.

This energy is the sum of kinetic and potential energy

a)

kinetic

b)

potential

c)

mechanical

d)

heat

e)

chemical

81.

If we take energy from one place to another we are:

a)

transporting energy

b)

storing energy

c)

transforming energy

d)

transferring energy

e)

transmiting energy

82.

__________ are natural resources which do not run out because they are quickly replenished

a)

nuclear

b)

renewable

c)

non-renewable

d)

chemical

e)

petrol

83.

Geothermal energy comes from the very high temperatures

a)

outside the earth

b)

inside the earth

c)

over the earth

d)

behind the earth

e)

above water

84.

Some of the gases which vehicles release can react with the air and produce clouds of acidic substances. The rain from these clouds is called:

a)

toxic rain

b)

acid rain

c)

poisonous rain

d)

pollute rain

e)

carbon rain

85.

When we take rock from quarries and minerals from mines we cause:

a)

desertification

b)

soil erosion

c)

solar erosion

d)

deforestation

e)

denuclearization

86.

_____________ panels turn the energy from the sun into electrical energy.

a)

solar-thermo

b)

solar-thermical

c)

solar-heating

d)

solar-photovoltaic

e)

solar-tables

87.

Heat is a menas of transferring energy between two bodies that are at ______________ temperatures.

a)

same

b)

more

c)

different

d)

less

e)

equal

88.

What is the meaning of the word shrink?

a)

to get bigger

b)

to get smaller

c)

to get deeper

d)

to get higher

e)

to get drunk

89.

Thermal contraction takes place when the body __________

a)

is heated

b)

is evaporated

c)

is cool down

d)

is frozen

e)

is replaced

90.

___________ allow light to pass thorough them but disperses the light.

a)

transparent material

b)

translucent material

c)

opaque material

d)

transplant material

e)

obscure material

91.

Light travels in all directions at great speed of:

a)

300,000 kilometres a second

b)

30,000 kilometres a second

c)

3,000 kilometres a second

d)

3,000,000 kilometres a second

e)

30,000,000 kilometres a second

92.

Curved mirrors produce images which are

a)

identical to the actual image

b)

different to the actual image

c)

deformed to the actual image

d)

bigger to the actual image

e)

nicer to the actual image

93.

When light hits an object and changes direction:

a)

refraction

b)

reflection

c)

reflexion

d)

redemption

e)

rewind

94.

Magnifying glasses are an example of:

a)

converging lens

b)

convertible lens

c)

diverging lens

d)

different lens

e)

repel lens

95.

Matter has a fundamental property called:

a)

magnetic charge

b)

electrical charge

c)

battery charge

d)

circuit charge

e)

conductor charge

96.

Bodies get electrified when they are:

a)

fix together

b)

rubbed together

c)

plugged together

d)

join together

e)

assemble together

97.

___________ convert kinetic enegry into electrical energy

a)

Domino

b)

Dynamo

c)

Dinosaur

d)

Danonino

e)

Dingy

98.

__________ is a rigid bar which is balanced on a point, the fulcrum

a)

Lever

b)

Liver

c)

Lover

d)

Leave

e)

Lullaby

99.

If we wrap an inclined plane around an inclined plane round a cylinder or axis we make a:

a)

wheel

b)

screw

c)

wedge

d)

pulley

e)

cogs and chain

100.

Wheels with teeth around the edge are:

a)

crank

b)

cogs

c)

rack and pinion

d)

pulley

e)

wedge

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