Question 1

What is the primary goal of integrated science?

Accepted Answer

To connect and integrate concepts from different branches of science

Answer

To avoid laboratory experiments

Answer

To focus only on biology

Answer

To teach only chemistry

Question 2

Which of the following is NOT a component of integrated science?

Accepted Answer

Memorization of scientific facts

Answer

Scientific literacy

Answer

Laboratory experiences

Answer

Problem solving and inquiry

Question 3

Which of the following careers is NOT related to integrated science?

Accepted Answer

Historian

Answer

Software developer

Answer

Laboratory technician

Answer

Environmental manager

Question 4

What is the importance of learning integrated science in the 21st century?

Accepted Answer

It connects learning materials to real-world contexts

Answer

It avoids collaborative learning

Answer

It discourages student involvement

Answer

It focuses only on theoretical knowledge

Question 5

Which of the following is a common hazard symbol in the laboratory?

Accepted Answer

A biohazard symbol

Answer

A smiling face

Answer

A star

Answer

A flower

Question 6

What should you do if you spill a chemical in the laboratory?

Accepted Answer

Clean it up immediately and report it

Answer

Pour water on it

Answer

Ignore it

Answer

Leave it for someone else to clean

Question 7

Which of the following is a first aid measure for skin exposure to chemicals?

Accepted Answer

Wash the area with tepid water

Answer

Rub the affected area with a cloth

Answer

Cover the area with a bandage

Answer

Apply oil to the affected area

Question 8

What is the purpose of a fractionating column in fractional distillation?

Accepted Answer

To offer areas of condensation for less volatile substances

Answer

To cool the mixture

Answer

To heat the mixture

Answer

To separate solids from liquids

Question 9

Which of the following is an example of a homogeneous mixture?

Accepted Answer

Salt and water

Answer

Oil and water

Answer

Soil and water

Answer

Sand and water

Question 10

What is the boiling point of water at sea level?

Accepted Answer

100Â°C

Answer

120Â°C

Answer

78Â°C

Answer

150Â°C

Question 11

Which method is used to separate a mixture of sand and salt?

Accepted Answer

Evaporation

Answer

Decantation

Answer

Distillation

Answer

Filtration

Question 12

What is the process by which a solid changes directly to a gas?

Accepted Answer

Sublimation

Answer

Melting

Answer

Evaporation

Answer

Condensation

Question 13

Which of the following is a characteristic of a pure substance?

Accepted Answer

It has a fixed melting point

Answer

It has a variable composition

Answer

It is heterogeneous

Answer

It can be separated by physical means

Question 14

What is the primary function of a microscope?

Accepted Answer

To study biological specimens

Answer

To separate mixtures

Answer

To measure volume

Answer

To measure temperature

Question 15

Which of the following is a safety rule in the laboratory?

Accepted Answer

Wash hands after handling chemicals

Answer

Taste chemicals to identify them

Answer

Ignore warning labels

Answer

Use unauthorized experiments

Question 16

What is the purpose of a Bunsen burner in the laboratory?

Accepted Answer

To heat substances

Answer

To separate mixtures

Answer

To measure volume

Answer

To measure temperature

Question 17

Which of the following is an example of a heterogeneous mixture?

Accepted Answer

Sand and water

Answer

Sugar and water

Answer

Salt and water

Answer

Alcohol and water

Question 18

What is the role of a filter paper in filtration?

Accepted Answer

To separate insoluble solids from liquids

Answer

To cool the mixture

Answer

To measure volume

Answer

To heat the mixture

Question 19

Which of the following is a use of chromatography?

Accepted Answer

To separate colored dyes

Answer

To measure volume

Answer

To measure temperature

Answer

To heat substances

Question 20

What is ovulation?

Accepted Answer

The release of a mature egg from the ovary

Answer

The shedding of the uterine lining

Answer

The fertilization of an egg by a sperm

Answer

The development of the placenta

Question 21

What is the average length of the menstrual cycle?

Accepted Answer

28 days

Answer

35 days

Answer

14 days

Answer

21 days

Question 22

Which hormone levels drop if pregnancy does not occur?

Accepted Answer

Estrogen and progesterone

Answer

Progesterone and testosterone

Answer

Estrogen and insulin

Answer

Testosterone and estrogen

Question 23

What is the function of the placenta?

Accepted Answer

To transfer nutrients and oxygen to the fetus

Answer

To produce sperm

Answer

To release eggs

Answer

To shed the uterine lining

Question 24

What is the first stage of the menstrual cycle?

Accepted Answer

Menstrual phase

Answer

Fertilization

Answer

Implantation

Answer

Ovulation

Question 25

Which of the following is a symptom of the menstrual phase?

Accepted Answer

Cramps

Answer

High blood pressure

Answer

Increased appetite

Answer

Increased energy

Question 26

What is fertilization in humans?

Accepted Answer

The fusion of male and female gametes

Answer

The release of an egg from the ovary

Answer

The shedding of the uterine lining

Answer

The development of the placenta

Question 27

Where does fertilization typically occur in humans?

Accepted Answer

Fallopian tube

Answer

Uterus

Answer

Vagina

Answer

Ovary

Question 28

How long does a sperm remain viable in the female reproductive system?

Accepted Answer

48-72 hours

Answer

2 weeks

Answer

1 week

Answer

24 hours

Question 29

What is the term for the developing human from fertilization to the eighth week?

Accepted Answer

Embryo

Answer

Placenta

Answer

Zygote

Answer

Fetus

Question 30

What is the process called when the embryo attaches to the uterine lining?

Accepted Answer

Implantation

Answer

Menstruation

Answer

Fertilization

Answer

Ovulation

Question 31

What is the largest organ of the body?

Accepted Answer

Skin

Answer

Lungs

Answer

Liver

Answer

Heart

Question 32

Which layer of the skin contains hair follicles and sweat glands?

Accepted Answer

Dermis

Answer

Epidermis

Answer

Subcutaneous tissue

Answer

Hypodermis

Question 33

What is the function of melanin in the skin?

Accepted Answer

To provide skin color

Answer

To produce sweat

Answer

To regulate body temperature

Answer

To grow hair

Question 34

Which of the following is a function of the urinary system?

Accepted Answer

To eliminate liquid waste

Answer

To produce hormones

Answer

To produce sperm

Answer

To regulate blood sugar

Question 35

What is the function of the kidneys?

Accepted Answer

All of the above

Answer

To produce urine

Answer

To produce red blood cells

Answer

To regulate blood pressure

Question 36

What is the normal color of healthy urine?

Accepted Answer

Pale straw or transparent yellow

Answer

Dark brown

Answer

Pinkish or red

Answer

Green

Question 37

Which of the following is a sign of kidney disease?

Accepted Answer

Swelling of feet and ankles

Answer

Increased appetite

Answer

High energy levels

Answer

Clear urine

Question 38

What is the function of the bladder?

Accepted Answer

To store urine

Answer

To filter blood

Answer

To regulate blood pressure

Answer

To produce urine

Question 39

Which of the following is a risk factor for kidney disease?

Accepted Answer

Smoking

Answer

Healthy diet

Answer

Low blood pressure

Answer

Regular exercise

Question 40

What is static electricity?

Accepted Answer

An imbalance of electric charges on the surface of a material

Answer

The generation of electricity from magnets

Answer

The movement of electrons in a conductor

Answer

The flow of electric current

Question 41

Which of the following is an example of static electricity?

Accepted Answer

A balloon sticking to a wall after being rubbed on hair

Answer

A fan spinning

Answer

A light bulb glowing

Answer

A battery powering a device

Question 42

What happens when two like charges are brought close to each other?

Accepted Answer

They repel each other

Answer

They create a magnetic field

Answer

They neutralize each other

Answer

They attract each other

Question 43

What is the purpose of an electrostatic precipitator?

Accepted Answer

To reduce air pollution by removing charged particles

Answer

To store electric charge

Answer

To measure electric current

Answer

To generate electricity

Question 44

Which of the following is a use of static electricity in industry?

Accepted Answer

Painting cars

Answer

Storing data

Answer

Generating electricity

Answer

Measuring temperature

Question 45

What is the primary source of electricity?

Accepted Answer

Primary energy sources like coal and sunlight

Answer

Static electricity

Answer

Magnetic fields

Answer

Chemical reactions

Question 46

Which of the following is an example of a conductor?

Accepted Answer

Copper

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 47

What is the function of an insulator?

Accepted Answer

To resist the flow of electricity

Answer

To generate electricity

Answer

To conduct electricity

Answer

To store electricity

Question 48

Which of the following is an application of conductors?

Accepted Answer

Making thermometers

Answer

Making wooden furniture

Answer

Making plastic bottles

Answer

Making rubber gloves

Question 49

What is the primary use of a magnet in a generator?

Accepted Answer

To transform mechanical energy into electrical energy

Answer

To store electricity

Answer

To create static electricity

Answer

To measure electric current

Question 50

Which of the following is a property of a bar magnet?

Accepted Answer

It has a north and south pole

Answer

It has only one pole

Answer

It cannot be broken into smaller pieces

Answer

It does not attract iron

Question 51

What happens when two like poles of a magnet are brought close to each other?

Accepted Answer

They repel each other

Answer

They create an electric field

Answer

They neutralize each other

Answer

They attract each other

Question 52

Which of the following is a use of magnets in everyday life?

Accepted Answer

To store data on credit cards

Answer

To measure temperature

Answer

To create light

Answer

To generate electricity in power plants

Question 53

What is the function of a magnetic needle in a compass?

Accepted Answer

To point north

Answer

To store data

Answer

To measure temperature

Answer

To generate electricity

Question 54

Which of the following is a non-magnetic material?

Accepted Answer

Aluminum

Answer

Cobalt

Answer

Nickel

Answer

Iron

Question 55

What is the primary use of magnets in MRI machines?

Accepted Answer

To create images of bone structures and tissues

Answer

To measure temperature

Answer

To generate electricity

Answer

To store data

Question 56

Which of the following is a safety measure when handling electrical appliances?

Accepted Answer

Disconnect appliances while cleaning

Answer

Touch electric poles

Answer

Overload power sockets

Answer

Wet electrical appliances

Question 57

What is the primary use of electricity in healthcare?

Accepted Answer

To power surgical operations

Answer

To store data

Answer

To measure temperature

Answer

To generate heat

Question 58

Which of the following is a use of electricity in transportation?

Accepted Answer

To power cars and bikes

Answer

To generate heat

Answer

To store data

Answer

To measure temperature

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