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SCIENCE - 2nd Periodical Exam

Total questions: 117

Worksheet time: 2hrs 41mins

Name
Class
Date
1.

Which organ system includes the heart, blood vessels, and blood?

a)

Digestive system

b)

Circulatory system

c)

Respiratory system

d)

Muscular system

2.
Which organ system includes the esophagus, stomach, small intestines, and large intestines?
a)
Digestive system
b)
Circulatory system
c)
Respiratory system
d)
Endocrine system
3.
Which organ system includes the brain, spinal cord, and nerves?
a)
Nervous system
b)
Muscular system
c)
Skeletal system
d)
Excretory system
4.
Which organ system delivers oxygen and nutrients to all of the body's cells?
a)
Nervous system
b)
Integumentary system
c)
Respiratory system
d)
Circulatory system
5.
Which organ system controls major body functions, muscular movements, and responses?
a)
Nervous system
b)
Integumentary system
c)
Respiratory system
d)
Circulatory system
6.
Which organ system gets oxygen into the bloodstream and removes carbon dioxide?
a)
Respiratory system
b)
Muscular system
c)
Digestive system
d)
Circulatory system
7.
Major organs of the digestive system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Liver, kidneys, heart
8.
Major organs of the nervous system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Brain, spinal cord, nerve
9.

Major organs of the skeletal system

a)

Muscles, tendons

b)

Bones, joints

c)

Marrow, periostium, nerves

d)

Ribs, quadriceps, femur

10.
Heart, blood vessels, blood
a)
Digestive system
b)
Excretory system
c)
Circulatory system
d)
Immune system
11.

What is the function of this system?

a)

The protection of vital organs from injury

b)

The production of hormones that regulate growth and metabolism.

c)

The chemical breakdown of food into smaller pieces

d)

The transport of nutrients, water, and oxygen to body cells.

12.

What is the function of this system?

a)

The protection of vital organs from injury

b)

The production of hormones that regulate growth and metabolism.

c)

The chemical breakdown of food into smaller pieces

d)

The transport of nutrients, water, and oxygen to body cells.

13.

What is the function of this system?

a)

The protection of vital organs from injury

b)

The production of hormones that regulate growth and metabolism.

c)

The chemical breakdown of food into smaller pieces

d)

The transport of nutrients, water, and oxygen to body cells.

14.

What is the function of this system?

a)

exchange gases with the air

b)

breakdown molecules and absorb nutrients.

c)

Provide support and movement for the body

d)

Produce and secretes hormones which regulate metabolism, growth, and development.

15.

A ____________________ that work together is called an organ system.

a)

group of organs

b)

group of systems

c)

organs

d)

systems

16.

What is the main function of this organ system?

a)

digestion of food

b)

circulation of blood

c)

communication

d)

respiration

17.

Which two organs are part of the digestive system? Tick two.

a)

intestines

b)

mouth

c)

lungs

d)

heart

e)

spinal cord

18.

The circulatory system are mostly made up of tubes called ________________.

a)

blood vessels

b)

intestines

c)

esophagus

d)

nerves

19.

Which organ system transports important substances all over the body?

a)

circulatory system

b)

digestive system

c)

nervous system

d)

respiratory system

20.

Which organ pumps blood?

a)
b)
c)
d)
21.

Which is NOT a function of the respiratory system?

a)

break down food

b)

process oxygen

c)

take out carbon dioxide

22.

The nervous system helps different organ systems to ___________________.

a)

communicate

b)

work together

c)

coordinate

d)

all of these

23.

The digestive proceses starts in the:

a)

stomach

b)

mouth

c)

esophagus

d)

liver

24.

What does the digestive system do

a)

Pumps blood throughout the body

b)

Breaks down and handles food.

c)

Helps you to breathe.

d)

Helps your arms and legs to move.

25.

The Two organs that remove oxygen from the air and pass it into your blood.

a)

Lungs

b)

Heart

c)

Diaphragm

d)

Larynx

26.
Enables the body to move
a)
Digestive system
b)
Nervous system
c)
Muscular system
d)
Immune system
27.
Receives information and directs our response to the information
a)
Endocrine system
b)
Immune system
c)
Nervous system
d)
Muscular system
28.

Nose, trachea, lungs

a)

Respiratory system

b)

Endocrine system

c)

Muscular system

d)

Skeletal system

29.
The smallest units of life in plants are ____
a)
tissues
b)
cells
c)
organs
d)
organ system
30.

What are the levels of organization in plants?

a)

Plants have cells, but not tissues.

b)

Plants are made up of cells, tissues, organs, and organ systems

c)

Plants contain cells and tissues, but not organs.

31.

The body of a plant is made up of organs called roots, ________, and leaves.

a)

vacuole

b)

stems

c)

cones

32.

What does the reproductive system for a plant consist of?

a)

flower and fruit

b)

xylem and phloem

c)

chloroplast and chlorophyll

33.

Plants have two organ systems, the _________________ system and the root system.

a)

vascular

b)

seedless

c)

shoot

d)

non-vascular

34.
the process of converting sunlight to food in plants is..?
a)
photosynthesis
b)
chloroplasts
c)
cell division
d)
genetic information
35.
which of the following is NOT a plant organ 
a)
stem
b)
shoots
c)
leaves
d)
flowers
36.
what are the two plant organ systems?
a)
root and tree
b)
shoot and flower
c)
root and shoot
d)
tree and flower
37.
where does photosynthesis happen?
a)
stem
b)
roots
c)
leaves
d)
flowers
38.
where does water enter the plant?
a)
leaves
b)
flowers
c)
stems
d)
roots
39.
what plant organ transports nutrients throughout the plant?
a)
stem
b)
roots
c)
leaves
d)
flowers
40.

The part of the plant

that is generally

under the ground

and in the soil

a)

Reproductive System

b)

Transpiration

c)

Shoot System

d)

Root System

41.

The part of the plant

that is generally above the ground including stems, leaves, buds and reproductive structures

a)

Stem System

b)

Leaf system

c)

Shoot system

d)

Xylem

42.

The tubes and support that transport water

and nutrients up, down and around in plants

a)

Vascular System

b)

Shoot System

c)

Root System

d)

Reproductive System

43.

In general, leaves, roots, stems and flowers

a)

Plant Systems

b)

Plant Cells

c)

Plant Organs

d)

Plant Organisms

44.

What are the functions of the roots? (Tick 2)

a)

To take in and give out gases for the plant.

b)

To absorb water and minerals from the soil.

c)

To hold the plant firmly to the soil.

d)

To make food for the plant.

45.

What are the functions of the stem? (Tick 2)

a)

To hold the leaves up so they can get light to make food.

b)

To absorb water and minerals.

c)

To support the plant.

d)

To help the plant to take in and give out gases.

46.

Ali took four identical plants, A, B, C and D, and removed some parts from each plant as shown in the table above.

Which plant will survive the longest?

a)

A

b)

B

c)

C

d)

D

47.

Photosynthesis is _______________________.

a)

how plants use sunlight to produce food

b)

how plants release water to the air

c)

how plants use sugars and oxygen to produce energy to grow

48.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
49.

Are plants systems and why?

a)

Yes because they have different parts that work together

b)

Yes because they have different parts that do not work together

c)

No because only humans are systems

50.

What are the three basic parts of plants?

a)

Leaves, sunlight, minerals

b)

Leaves, stems, roots

c)

Water, roots, stems

51.

The leaves, stem, and roots must work together for the plant to survive

a)

True

b)

False

52.

Which statement below describes how flowers allow plants to reproduce?

a)

flowers create seeds once they are pollinated

b)

flowers absorb sunlight and carbon dioxide to create seeds

c)

flowers absorb water and sunlight to create seeds

d)

flowers are pollinated by absorbing sunlight and then create seeds

53.

This green pigment absorbs energy from sunlight

a)

chloroplast

b)

chlorophyll

c)

chromosome

d)

chloramphenicol

54.

Where does photosynthesis occur in the plant?

a)

In the stem

b)

In all parts of the plant

c)

In the leaves

d)

In the flower

55.
Gases pass in and out of a leaf through the what?
a)
vascular tissue
b)
mouth hole
c)
stomata
d)
cell wall
56.

The shoot system consists of the following except:

a)

upright stem

b)

leaves

c)

buds

d)

roots

57.

Which substance(s) enter the leaf as an ingredient for photosynthesis?

a)

Glucose

b)

Oxygen

c)

Water

d)

Carbon Dioxide

58.

How do the green leaves make food for the plant?

a)

By using water and carbon dioxide only

b)

By using water, carbon dioxide and sunlight

c)

By using carbon dioxide and sunlight only

d)

By using sunlight only

59.

How may parts does the shoot system have?

a)

5 parts

b)

4 parts

c)

3 parts

d)

2 parts

60.

Which part is the stem in the shoot system of a plant?

a)

Upper part

b)

Lower part

c)

Upper and lower part

61.

Which part of the shoot system makes food for the plant?

a)

the flowers

b)

the stem

c)

the leaves

d)

the fruits

62.

What are the parts of the shoot system? (Choose more than one)

a)

Leaf

b)

Stem

c)

Flower

d)

Fruit

e)

Roots

63.

What three things do plants need to make food for the plant?

a)

Carbon dioxide

b)

Oxygen

c)

Water

d)

Light energy

e)

Sound energy

64.

Which part labelled is part of the root system?

a)

1

b)

2

c)

3

d)

4

65.

Does the picture of the dandelion show a tap root or fibrous root?

a)

Tap root

b)

Fibrous root

66.

Does the picture of the grass show a tap root or fibrous root?

a)

Tap root

b)

Fibrous root

67.

Does the picture of the carrot show a tap root or fibrous root?

a)

Tap root

b)

Fibrous root

68.

Does the picture of the wheat show a tap root or fibrous root?

a)

Tap root

b)

Fibrous root

69.

Tap root systems have

a)

a large central root and smaller roots that come out of it

b)

no roots at all

c)

a bunch of small, thin roots that come directly from the stem

70.

What are the two functions of the root system?

a)

It helps hold the plant in the soil

b)

It helps to make food

c)

It helps to take in water and minerals from the soil

d)

It helps to make seeds

71.

Fibrous root systems have

a)

a large central root and smaller roots that come out of it

b)

no roots at all

c)

a bunch of small, thin roots that come directly from the stem

72.

A mode of reproduction where cells from one only one parent are used and no reproductive organs are involved.

a)

Asexual reproduction

b)

Sexual reproduction

73.

It is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body.

a)

External fertilization

b)

Internal fertilization

74.

It is characterized by sperm fertilizing the egg within the female body.

a)

Internal fertilization

b)

External Fertilization

75.

The union of sperm cell an egg cell.

a)

fertilization

b)

pollination

c)

respiration

d)

reproduction

76.

When an egg cell and sperm cell successfully unites, a _______ is formed.

a)

egg

b)

zygote

c)

sperm

d)

none of the above

77.

Animals that reproduce by laying eggs are called __________

a)

viviparous animals

b)

oviparous animals

78.

__________ develop inside the parent's body and give birth to live offspring.

a)

Viviparous animals

b)

Oviparous animals

79.
a)

oviparous

b)

viviparous

80.

Dolphin is a/an _________ animal.

a)

oviparous

b)

viviparous

81.

Identify the modes of reproduction of this animal.

Horse

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

both

82.

Identify the type of fertilization of the this animal

Philippine Eagle

a)

Internal Fertilization

b)

External Fertilization

83.

Which of the following animals is NOT born alive ?

a)

dog

b)

eagle

c)

mouse

d)

whale

84.

What is a males cell (or gamete) called?

a)

egg

b)

sperm

c)

worms

d)

pollen

85.

Most mammals have fertilized __________ that develop inside their mothers body

a)

sperm

b)

eggs

c)

organs

d)

King Kongs

86.

Female cells (or gametes) are called __________?

a)

sperm

b)

pollen

c)

eggs

d)

seeds

87.

Which type of metamorphosis is shown?

a)

complete metamorphosis

b)

incomplete metamorphosis

88.

Which stage does this represent?

a)

egg

b)

larva

c)

nymph

d)

pupa

89.

Which stage does this represent?

a)

egg

b)

larva

c)

nymph

d)

pupa

90.

Which stage does this represent?

a)

egg

b)

larva

c)

nymph

d)

pupa

91.

Which type of metamorphosis is represented?

a)

complete metamorphosis

b)

incomplete metamorphosis

92.

How many stages are found in complete metamorphosis?

a)

2

b)

3

c)

4

d)

5

93.

How many stages are found in incomplete metamorphosis?

a)

2

b)

3

c)

4

d)

5

94.

Which correctly lists the stages of complete metamorphosis in order?

a)

egg, larva, pupa, adult

b)

egg, pupa, larva, adult

c)

pupa, adult, egg, larva

d)

larva, egg, adult, pupa

95.

Which correctly lists the stages of incomplete metamorphosis in order?

a)

egg, nymph, adult

b)

egg, adult, nymph

c)

nymph, adult, egg

d)

adult, nymph, egg

96.

Which stage is not a part of complete metamorphosis?

a)

egg

b)

larva

c)

nymph

d)

pupa

97.

Which stage is not a part of incomplete metamorphosis?

a)

adult

b)

egg

c)

larva

d)

nymph

98.
Which 2 stages are in both complete and incomplete metamorphosis?
a)
Egg, larva
b)
Larva, adult
c)
Adult, nymph
d)
Egg, adult
99.

The focus of this worm-like stage is to eat as much as possible.

a)

adult

b)

egg

c)

larva

d)

nymph

100.

Which stage of metamorphosis seems to be at rest?

a)

adult

b)

pupa

c)

larva

d)

nymph

101.
The diagram below shows the growth of a tree. The diagram represents a 
a)
food chain
b)
food supply
c)
life span
d)
life cycle
102.
The diagrams show the life cycle of a frog and of a ladybug.
What do frog and ladybug life cycles have in common? Both frogs and ladybugs spend time as -
a)
tadpole
b)
pupa
c)
larva
d)
eggs
103.

A series of major changes in an animals body during it's life time is called...

a)

Nymph

b)

Metamorphosis

c)

Larva

d)

Heredity

e)

Pupa

104.

How many stages make up a butterfly life cycle?

a)
Two
b)
Five
c)
Seven
d)
Four
105.

What is the final stage of a butterflies life cycle?

a)

b)

c)

d)

106.

Another word for caterpillar is

a)

Metamorphosis

b)

Pupa

c)

Larva

d)

chrysalis

107.
A 'chrysalis' is
a)
Another word for cocoon
b)
A rock
c)
A butterfly pupa
108.
What is the first stage of a butterfly life cycle.
a)
egg
b)
Adult butterfly
c)
caterpillar
d)
chrysalis
109.
The second stage of the butterfly life cycle is:
a)
Pupa
b)
Egg
c)
Caterpillar
d)
Adult
110.
The third stage of the butterfly life cycle is:
a)
Egg
b)
Caterpillar
c)
Adult
d)
Pupa
111.

List the stages of a frog's life cycle in order.

a)

Mother, Froglet, Tadpole, Frog, Egg

b)

Frog, Froglet, Tadpole, Adult

c)

Egg, Tadpole, Tadpole with legs, Froglet, Frog

d)

Tadpole, Egg, Frog, Froglet

112.

What is the first stage of a frog's life cycle?

a)
eggs
b)
A tadpole
c)
A froglet
d)
Adult frog
113.
How is a tadpole similar to a fish?
a)
They both have gills
b)
They both have lungs
c)
They are not similar
d)
None of the above
114.

The last stage of a frogs life cycle is_________.

a)

frog

b)

froglet

c)

tadpole without legs

d)

tadpole with legs

115.

The fourth stage of a frogs life cycle is_________.

a)

tadpole with legs

b)

froglet

c)

tadpole without legs

d)

frog

116.

The third stage of a frogs life cycle is_________.

a)

tadpole with no legs

b)

tadpole with legs

c)

froglet

d)

frog

117.

The second stage of a frogs life cycle is_________.

a)

eggs

b)

tadpole with no legs

c)

tadpole with legs

d)

froglet