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ZIMSEC Grade 7 Science and Technology Online Mock 4 - Paper 1 Practice

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Title ZIMSEC Grade 7 Science and Technology Online Mock 4 - Paper 1 Practice

Description Original Grade 7 7150/01 Paper 1-style timed mock. Forty multiple-choice questions covering Health and hygiene, nutrition, crops, plants and animals, conservation, tools, energy, disasters, digital technology and innovation. No signup required; one attempt with an instant automatic score.

Total Marks 40 points

Duration 105 minutes

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Session Window Started 04 Sep 2026 04:13 and closes 04 Sep 2026 05:58.

Exam questions

Answer all 40 questions, then submit the paper once.

Question 1

Multiple Choice - 1.00 marks

Prompt Which personal protective equipment protects the eyes?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Apron only
B. Ear plugs
C. Safety goggles
D. Knee socks

Question 2

Multiple Choice - 1.00 marks

Prompt What should be done before operating unfamiliar machinery?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Receive instruction and check safety procedures
B. Start it at full speed immediately
C. Remove guards
D. Ignore the manual

Question 3

Multiple Choice - 1.00 marks

Prompt Which simple machine is a see-saw?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Pulley
B. Wheel and axle
C. Inclined plane
D. Lever

Question 4

Multiple Choice - 1.00 marks

Prompt Which simple machine can raise a flag up a pole?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Wedge
B. Pulley
C. Screw
D. Lever only

Question 5

Multiple Choice - 1.00 marks

Prompt A wheelbarrow works mainly as which class of simple machine?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Pulley
B. Wedge
C. Lever with a wheel and axle
D. Screw only

Question 6

Multiple Choice - 1.00 marks

Prompt Which is a safe way to carry a kitchen knife?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Point down at the side, with care and adult instruction
B. Point forward while running
C. Hidden loosely in a pocket
D. By the blade

Question 7

Multiple Choice - 1.00 marks

Prompt Why is an equipment inventory useful?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. It removes the need for maintenance
B. It makes tools disappear
C. It records only broken items
D. It records what equipment exists and its condition

Question 8

Multiple Choice - 1.00 marks

Prompt How is sound produced?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. By objects that never move
B. By vibrations
C. Only by sunlight
D. By gravity alone

Question 9

Multiple Choice - 1.00 marks

Prompt Why can sound not travel through a perfect vacuum?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. There is too much water
B. There is too much air
C. There are no particles to pass on the vibration
D. The vacuum is always hot

Question 10

Multiple Choice - 1.00 marks

Prompt Which property mainly determines the pitch of a sound?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Frequency of vibration
B. Colour of the source
C. Mass of the listener
D. Distance from a wall only

Question 11

Multiple Choice - 1.00 marks

Prompt Which property of a vibration mainly affects loudness?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Wavelength only
B. Speed of light
C. Colour
D. Amplitude

Question 12

Multiple Choice - 1.00 marks

Prompt What causes an echo?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Absorption of all sound
B. Reflection of sound
C. Freezing of sound
D. Production of light

Question 13

Multiple Choice - 1.00 marks

Prompt Which material is a good electrical conductor?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Rubber
B. Dry plastic
C. Copper
D. Glass

Question 14

Multiple Choice - 1.00 marks

Prompt Which energy source is renewable?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Solar energy
B. Coal
C. Diesel
D. Natural gas

Question 15

Multiple Choice - 1.00 marks

Prompt Which fuel is non-renewable?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Wind
B. Sunlight
C. Flowing water
D. Coal

Question 16

Multiple Choice - 1.00 marks

Prompt Which energy change happens in a battery torch?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Light to chemical only
B. Chemical to electrical to light
C. Heat to nuclear only
D. Sound to gravitational only

Question 17

Multiple Choice - 1.00 marks

Prompt Which three things make up the fire triangle?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Water, sand and smoke
B. Fuel, ash and steam
C. Heat, fuel and oxygen
D. Oxygen, ice and soil

Question 18

Multiple Choice - 1.00 marks

Prompt Why should water not be poured on a live electrical fire?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Water can conduct electricity and cause shock
B. Water contains no oxygen
C. Water always increases voltage
D. Water cannot cool anything

Question 19

Multiple Choice - 1.00 marks

Prompt How is heat transferred by the movement of liquids and gases?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Radiation only
B. Reflection
C. Conduction only
D. Convection

Question 20

Multiple Choice - 1.00 marks

Prompt Which force produces heat when two surfaces rub together?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Magnetism
B. Friction
C. Buoyancy
D. Upthrust only

Question 21

Multiple Choice - 1.00 marks

Prompt Which action saves electrical energy?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Leaving unused lights on
B. Opening a refrigerator repeatedly
C. Switching off appliances when not needed
D. Using damaged wiring

Question 22

Multiple Choice - 1.00 marks

Prompt What is a hazard?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Something with the potential to cause harm
B. Only an event that has already destroyed a city
C. A guaranteed safe condition
D. A type of food nutrient

Question 23

Multiple Choice - 1.00 marks

Prompt What should people do when floodwater is rising rapidly?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Walk through fast-moving water
B. Drive into a flooded bridge
C. Stand in a river channel
D. Move to safer higher ground and follow official advice

Question 24

Multiple Choice - 1.00 marks

Prompt Which action is advised during strong earthquake shaking indoors?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Run beside falling glass
B. Drop, cover and hold on
C. Use a lift immediately
D. Stand under a weak shelf

Question 25

Multiple Choice - 1.00 marks

Prompt How can a household prepare for a cyclone?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Ignore every warning
B. Leave loose roofing unsecured
C. Secure property, prepare supplies and follow evacuation advice
D. Wait outdoors under a tree

Question 26

Multiple Choice - 1.00 marks

Prompt Which action supports drought resilience?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Conserving water and using drought-tolerant crops
B. Leaving every tap open
C. Destroying water-storage tanks
D. Planting only water-demanding crops

Question 27

Multiple Choice - 1.00 marks

Prompt Which item belongs in a basic emergency kit?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. An unlabelled chemical
B. A broken electrical cable
C. Only a toy
D. Safe water, a torch and first-aid supplies

Question 28

Multiple Choice - 1.00 marks

Prompt What is the purpose of an evacuation route?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. To lead people toward danger
B. To guide people to a safer place
C. To block emergency workers
D. To hide all exits

Question 29

Multiple Choice - 1.00 marks

Prompt Which is a human-made hazard?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Earthquake
B. Cyclone
C. Industrial chemical spill
D. Drought

Question 30

Multiple Choice - 1.00 marks

Prompt What does disaster resilience mean?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. The ability to prepare, cope, recover and adapt
B. Pretending hazards do not exist
C. Building only in dangerous places
D. Removing all emergency plans

Question 31

Multiple Choice - 1.00 marks

Prompt Why may people need psycho-emotional support after a disaster?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. It replaces food and shelter
B. It makes warnings unnecessary
C. It prevents all future weather
D. It helps them cope with stress, grief and fear

Question 32

Multiple Choice - 1.00 marks

Prompt What is the purpose of an early-warning system?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. To announce danger after it is over only
B. To give people time to take protective action
C. To spread rumours
D. To replace every rescue service

Question 33

Multiple Choice - 1.00 marks

Prompt What is artificial intelligence?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. A type of soil
B. A hand tool
C. Computer systems performing tasks that normally require human-like intelligence
D. A renewable fuel

Question 34

Multiple Choice - 1.00 marks

Prompt What is an algorithm?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. A step-by-step procedure for solving a problem
B. A random collection of passwords
C. A damaged computer cable
D. A type of plant root

Question 35

Multiple Choice - 1.00 marks

Prompt What does a loop do in a computer program?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Deletes the computer
B. Changes hardware into food
C. Prevents all instructions
D. Repeats a set of instructions

Question 36

Multiple Choice - 1.00 marks

Prompt Which information should be kept private online?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. A public school event date
B. Passwords and personal identification details
C. A published weather report
D. A library opening time

Question 37

Multiple Choice - 1.00 marks

Prompt Which password is strongest?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. 123456
B. password
C. A long unique mix of words, numbers and symbols
D. The learner’s first name only

Question 38

Multiple Choice - 1.00 marks

Prompt What is phishing?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. A trick that tries to steal information through fake messages or sites
B. A method of watering crops
C. A type of renewable energy
D. A safe software update

Question 39

Multiple Choice - 1.00 marks

Prompt Why should important digital work be backed up?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. To make it easier to lose
B. To share it with every stranger
C. To remove the original author
D. To keep another copy if the device or file fails

Question 40

Multiple Choice - 1.00 marks

Prompt How can a learner judge whether an online science source is reliable?

Select one answer.

Select one answer. Your final choice is the answer that will be marked.

A. Choose the most dramatic claim
B. Check the author, evidence, date and other trusted sources
C. Use only anonymous comments
D. Ignore whether the information is current

Finish and mark

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