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Science Final Grade 6 2019

Total questions: 80

Worksheet time: 40mins

Name
Class
Date
1.

a trait that helps an organism survive and reproduce

a)

mutation

b)

gene

c)

adaptation

d)

phenotype

2.

spine, backbone

a)

invertebrate

b)

vertebrate

c)

worm

d)

camouflage

3.

sequence of DNA that has genetic information for one trait

a)

genotype

b)

trait

c)

gene

d)

phenotype

4.

passing of traits from generation to generation

a)

inheritance

b)

taxonomy

c)

adaptation

d)

phenotype

5.

permanent change in the sequence of DNA in a gene

a)

adaptation

b)

genotype

c)

mutation

d)

trait

6.

without a definite aim, rule, or method

a)

estimate

b)

rounding

c)

random

d)

survey

7.

distinguishing characteristic of an organism

a)

trait

b)

appearance

c)

gene

d)

autotroph

8.

inherited trait that is helps a species survive in its environment

a)

mutation

b)

camouflage

c)

adaptation

d)

phenotype

9.

adaptation that helps a species blend in with its natural surroundings

a)

mimicry

b)

camouflage

c)

copy cat

d)

natural selection

10.

group of organisms that share similar characteristics and can reproduce among themselves, producing fertile offspring

a)

animals

b)

species

c)

kingdom

d)

vertebrate

11.

A threadlike, gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins.

a)

meiosis

b)

cell nucleus

c)

chromosome

d)

DNA

12.

A part of the cell containing DNA and RNA and responsible for growth and reproduction

a)

meiosis

b)

cell

c)

nerve cord

d)

cell nucleus

13.

Chromosomes in egg and sperm cells divide during this

a)

cell nucleus

b)

reproduction

c)

meiosis

d)

math

14.

a body plan in which an organism cannot be divided into any two parts that are nearly mirror images of each other

a)

asymmetry

b)

bilateral symmetry

c)

radial symmetry

d)

symmetry

15.

a body plan in which an organism can be divided into two parts that are nearly mirror images of each other

a)

bilateral symmetry

b)

asymmetry

c)

radial symmetry

d)

symmetry

16.

body plan which can be divided into two parts that are nearly mirror images of each other anywhere through its central axis

a)

symmetry

b)

radial symmetry

c)

asymmetry

d)

bilateral symmetry

17.

group of organisms that have similar traits and are able to produce fertile offspring

a)

animals

b)

species

c)

phylum

d)

kingdom

18.

process in which the body form of an animal changes as it grows an egg to an adult

a)

butterflies

b)

metamorphosis

c)

parasite

d)

evolution

19.

animal that survives by living inside or on another organism, gets food from the organism, and does not help in the organism's survival

a)

ticks

b)

parasite

c)

gill

d)

amnion

20.

protective membrane that surrounds the embryo

a)

pharyngeal pouch

b)

notochord

c)

amnion

d)

nerve cord

21.

organ that exchanges carbon dioxide for oxygen in water

a)

leg muscles

b)

gill

c)

knuckles

d)

cells

22.

a flexible, rod-shaped structure that supports the body of a developing chordate

a)

amnion

b)

notochord

c)

scale

d)

autotroph

23.

groove along the side of a developing chordate that will develop into other body structures

a)

nucleus

b)

autotroph

c)

ectotherm

d)

pharyngeal pouch

24.

small, flat, rigid external body covering

a)

scale

b)

exoskeleton

c)

endoskeleton

d)

autotroph

25.

organism that converts light energy into usable energy

a)

heterotroph

b)

autotroph

c)

binomial nomenclature

d)

notochord

26.

naming system that gives each living thing a two-word scientific name

a)

binomial nomenclature

b)

names.com

c)

scientists

d)

sorting

27.

specific environment where an organism lives

a)

their home

b)

habitat

c)

the gym

d)

a cave

28.

substance in a cell that forms from joining many small molecules together

a)

molecules

b)

macromolecule

c)

carbon dioxide

d)

space

29.

group of organisms

a)

species

b)

kingdom

c)

taxon

d)

phylum

30.

liquid part of a cell inside the cell membrane

a)

cytoplasm

b)

eukaryotic cells

c)

meiosis

d)

habitat

31.

cell type of cell that has a nucleus and other membrane-bound organelles

a)

eukaryotic cell

b)

prokaryotic cell

c)

cell nucleus

d)

cell membrane

32.

organelle that breaks down food and releases energy

a)

mitochondrion

b)

cytoplasm

c)

cell nucleus

d)

ribosome

33.

type of cell that has no nucleus or other membrane-bound organelles

a)

prokaryotic cell

b)

eukaryotic cell

c)

ER

d)

cell wall

34.

resource that is used faster than it can be replaced by natural processes

a)

renewable resource

b)

nonrenewable resource

c)

oil

d)

natural resources

35.

a resource that can be replaced by natural processes in a relatively short amount of time

a)

renewable resource

b)

nonrenewable resource

c)

natural resource

d)

air

36.

The form of energy in fossil fuels is

a)

chemical energy

b)

electrical energy

c)

mechanical energy

d)

friction

37.

Nonrenewable energy resources are natural resources such as coal, gas, or oil that, once consumed,

a)

cannot be replaced

b)

can easily be replaced

c)

can be taken from the mouth of some frogs

d)

are harder to find

38.

Most energy resources currently in use are

a)

nonrenewable resources

b)

renewable resources

c)

electrical energy

d)

mechanical energy

39.

is an example of a nonrenewable energy resource

a)

fossil fuel

b)

trees

c)

leaves

d)

carbon dioxide

40.

renewable energy resources are resources which can be used

a)

repeatedly and replaced naturally

b)

once and then takes a long time to decompose

c)

a couple of times

d)

solar energy

41.

Renewable energy almost never runs out, for example:

solar energy is powered by heat from the sun and

a)

never runs out

b)

runs out when the sun is shining

c)

blocks the sun

d)

other solar panels

42.

examples of renewable resources are

a)

oxygen

b)

freshwater, and solar energy

c)

biomass energy

d)

natural gas

43.

wood is a

a)

renewable resource

b)

nonrenewable resources

44.

Energy released from atomic actions is called

a)

electrical energy

b)

nuclear energy

c)

atomic energy

d)

chemical energy

45.

energy that comes from Earth's interior

a)

biomass

b)

geothermal

c)

wind

d)

water

46.

advantages of using solar energy

a)

renewable energy source, reduces electricity bills

b)

high maintenance costs, and raises electricity bills

c)

uses lots of space

d)

low maintenance costs, diverse applications, and technology development

47.

disadvantages of using solar energy

a)

costly, weather dependent, associated with pollution

b)

storage isn't expensive

c)

uses very minimum amount of space

d)

uses lots of space, solar storage is expensive

48.

recycling....

a)

conserves land resources

b)

makes the world happy

c)

stops global warming

49.

air pollution is caused by....

a)

volcanic eruptions

b)

burning of fossil fuels

c)

forest fires

d)

using machines

50.

is a brownish haze produced when nitrogen compounds and other pollutants in the air react in the presence of sunlight

a)

smoke

b)

haze

c)

fog

d)

photochemical smog

51.

all organisms need _____ to survive

a)

food

b)

a place to live

c)

water

d)

a backbone

52.

Which is the correct classification order?

a)

Kingdom, Class, Phylum, Order, Genus, Family

b)

Kingdom, Genus, Family, Order, Phylum, Species, Class

c)

Kingdom, Phylum, Class, Order, Family, Genus, Species

d)

Kingdom, Phylum, Class, Order, Family, Genus

53.

unicellular organisms are made up of ___ cell and multicellular organisms are made up of ____ cells

a)

one, two

b)

one, hundreds

c)

seven, two

d)

one, many

54.

unicellular organisms.....

a)

carry out all life processes as one single cell

b)

have cells

c)

are easy to see

d)

get run over frequently

55.

how big are unicellular organisms

a)

most cannot be seen with naked eye

b)

all cannot be seen with naked eye

c)

all can be seen with naked eye

d)

you must have perfect vision to see one with a microscope

56.

is a specific place where an organism lives

a)

cave

b)

in the water

c)

habitat

d)

a place to live

57.

the smallest unit of life is the

a)

cell nucleus

b)

mitochondrion

c)

cell

d)

backbone

58.

what are the parts of an animal cell

a)

cell membrane, lysosome, centrosome, cytoplasm, Rough ER, smooth ER, ribosomes, golgi body, mitochondrion, vacuole, nuclear membrane, nucleolus, nucleus

b)

cell membrane, lysosome, cytoplasm, Rough ER, smooth ER, ribosomes, golgi body, mitochondrion, vacuole, nuclear membrane, nucleolus, nucleus

c)

cell membrane, lysosome, cytoplasm, Rough ER, smooth ER, ribosomes, golgi body, mitochondrion, nuclear membrane, nucleolus, nucleus

d)

cell membrane, lysosome, cytoplasm, Rough ER, smooth ER, ribosomes, golgi body, nuclear membrane, nucleolus, nucleus

59.

what are the parts of a plant cell

a)

cell wall, cell membrane, vacuole, nucleus, nucleolus, nuclear membrane, chloroplast, mitochondrion, golgi body, ribosomes, smooth ER, rough ER, centrosome, amyloplast, cytoplasm

b)

cell wall, cell membrane, vacuole, nucleus, nucleolus, nuclear membrane, chloroplast, mitochondrion, ribosomes, smooth ER, rough ER, centrosome, amyloplast, cytoplasm

c)

cell wall, cell membrane, vacuole, nucleus, nucleolus, nuclear membrane, chloroplast, ribosomes, smooth ER, rough ER, centrosome, amyloplast, cytoplasm

d)

cell wall, cell membrane, vacuole, nucleus, nucleolus, nuclear membrane, chloroplast, ribosomes, rough ER, centrosome, amyloplast, cytoplasm

60.

distinguishing characteristic of an organism

a)

adaptation

b)

appearance

c)

trait

d)

genotype

61.

DNA stands for

a)

dehydrated nucleic acid

b)

deoxyribonucleic acid

c)

doctrine nucleic acid

d)

genetic code

62.

the genetic code that determines all the characteristics of a living thing is called

a)

inheritance

b)

RNA

c)

DNA

d)

resessant genes

63.

an inherited trait, increases a species' chance of surviving, and increases a species' chance of reproducing

a)

trait

b)

phenotype

c)

inheritance

d)

adaptation

64.

thing organisms do to survive. e.x. bird calls and migration are these

a)

instinct

b)

behavioral adaptation

c)

physical adaptation

d)

functional adaptation

65.

things organisms do to survive. e.x. camouflage is one of these

a)

instinct

b)

behavioral adaptation

c)

physical adaptation

d)

functional adaptation

66.

this is anything that helps an organism survive. For plants, this means anything that helps them carry

out major life functions; like photosynthesis, water and nutrient storage and transport, and growth.

a)

instinct

b)

behavioral adaptation

c)

physical adaptation

d)

functional adaptation

67.

water enters plants through

a)

leaves

b)

stem

c)

branches

d)

roots

68.

which of these is the correct order of the life cycle of a seedless plant

a)

spores, prothallus, developing sporophyte, mature sporophyte

b)

spores, developing sporophyte, prothallus, mature sporophyte

c)

spores, mature sporophyte, developing sporophyte, prothallus

d)

seeds, germination, growth, pollination, seed formation

69.

which of these is the correct order of the life cycle of a seed plant

a)

seeds, growth, germination, pollination, seed formation

b)

seed formation, seeds, growth, pollination, germination

c)

seeds, germination, growth, pollination, seed formation

d)

germination, seeds, growth, pollination, seed formation

70.

the process in which organisms break down food to releases energy

a)

cellular

b)

respiration

c)

transpiration

d)

formation

71.

is a reaction to external stimulus

a)

light

b)

air

c)

food

d)

water

72.

is an inherited trait, increases, a species chance of surviving, and increases a species chance of reproducing

a)

adaptation

b)

trait

c)

phenotype

d)

species

73.

scientists call insects _______ because they have six legs

a)

hepapods

b)

hexapods

c)

octopods

d)

nonapods

74.

a(n) ___________ is defined as having a backbone

a)

vertebrate

b)

worm

c)

invertberate

d)

spineless

75.

invertebrate chordates differ from vertebrate chordates because....

a)

they have a backbone

b)

they never developed a backbone

c)

their backbone comes in when they are an adult

d)

vertebrate chordates are better

76.

a unique trait to birds is

a)

beak

b)

feathers

c)

clawed feet

d)

wings

77.

___________ chordates have backbones

a)

inverebrate

b)

vertebrate

c)

Phylum

d)

spineless

78.

_________ chordates do not have backbones

a)

vertebrate

b)

invertebrate

c)

worms

79.

one type of support that is common for invertebrates is......

a)

hydrostatic skeleton

b)

endoskeleton

c)

ectotherm

d)

endotherm

80.

another type of support for invertebrates is.....

a)

exoskeletons

b)

endoskeletons

c)

ectotherm

d)

endotherm

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