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ZIMSEC Grade 7 Science and Technology Online Mock 5 - Paper 1 Practice

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Title ZIMSEC Grade 7 Science and Technology Online Mock 5 - 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 04:14 and closes 04 Sep 2026 05:59.

Exam questions

Answer all 40 questions, then submit the paper once.

Question 1

Multiple Choice - 1.00 marks

Prompt Which organs remove wastes from the blood and form urine?

Select one answer.

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

A. Lungs
B. Heart
C. Kidneys
D. Stomach

Question 2

Multiple Choice - 1.00 marks

Prompt Where are most digested nutrients absorbed into the blood?

Select one answer.

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

A. Mouth
B. Oesophagus
C. Large intestine only
D. Small intestine

Question 3

Multiple Choice - 1.00 marks

Prompt Which condition is non-communicable?

Select one answer.

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

A. Hypertension
B. Measles
C. Cholera
D. Influenza

Question 4

Multiple Choice - 1.00 marks

Prompt How does vaccination help the body?

Select one answer.

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

A. It replaces all food nutrients
B. It prepares the immune system to fight a specific disease
C. It prevents every injury
D. It removes the need for hygiene

Question 5

Multiple Choice - 1.00 marks

Prompt Why should fresh fruit and vegetables be washed before eating?

Select one answer.

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

A. To remove all nutrients
B. To change their species
C. To make them heavier
D. To reduce dirt and harmful microorganisms

Question 6

Multiple Choice - 1.00 marks

Prompt Which nutrient is the body’s main source of energy?

Select one answer.

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

A. Minerals
B. Water
C. Carbohydrates
D. Vitamins

Question 7

Multiple Choice - 1.00 marks

Prompt What is the main role of dietary fibre?

Select one answer.

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

A. To form bones
B. To help food move through the digestive system
C. To carry oxygen
D. To replace water

Question 8

Multiple Choice - 1.00 marks

Prompt A lack of iron may lead to which condition?

Select one answer.

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

A. Anaemia
B. Scurvy
C. Night blindness only
D. Obesity

Question 9

Multiple Choice - 1.00 marks

Prompt Which habit can increase tooth decay risk?

Select one answer.

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

A. Drinking safe water
B. Cleaning teeth regularly
C. Frequently eating sugary snacks
D. Eating vegetables

Question 10

Multiple Choice - 1.00 marks

Prompt Which food-preservation method removes much of the water microbes need?

Select one answer.

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

A. Leaving food in warm rain
B. Adding dirty water
C. Keeping food uncovered
D. Drying

Question 11

Multiple Choice - 1.00 marks

Prompt Which word equation describes photosynthesis?

Select one answer.

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

A. Carbon dioxide + water -> glucose + oxygen
B. Oxygen + glucose -> carbon dioxide only
C. Water + oxygen -> soil
D. Glucose + minerals -> sunlight

Question 12

Multiple Choice - 1.00 marks

Prompt What is a main function of roots?

Select one answer.

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

A. To produce flowers only
B. To anchor the plant and absorb water and minerals
C. To release seeds into the air only
D. To make every fruit sweet

Question 13

Multiple Choice - 1.00 marks

Prompt Why are legumes useful in a crop rotation?

Select one answer.

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

A. They always remove all soil nitrogen
B. They prevent any seed formation
C. They make soil waterproof
D. They can help add nitrogen through root bacteria

Question 14

Multiple Choice - 1.00 marks

Prompt Which feature helps a wind-dispersed seed?

Select one answer.

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

A. A heavy stone coat
B. A hook for animal fur only
C. Light wings or hairs
D. A large water-filled shell only

Question 15

Multiple Choice - 1.00 marks

Prompt In the food chain grass -> grasshopper -> frog -> snake, which organism is the primary consumer?

Select one answer.

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

A. Grass
B. Grasshopper
C. Frog
D. Snake

Question 16

Multiple Choice - 1.00 marks

Prompt Which farm animal is a ruminant?

Select one answer.

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

A. Cattle
B. Chicken
C. Pig
D. Rabbit only

Question 17

Multiple Choice - 1.00 marks

Prompt Which feature identifies a mammal?

Select one answer.

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

A. It always lays eggs
B. It has six legs
C. It feeds its young with milk
D. It breathes only through gills

Question 18

Multiple Choice - 1.00 marks

Prompt What is the difference between weather and climate?

Select one answer.

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

A. Weather lasts centuries while climate lasts minutes
B. They always mean exactly the same thing
C. Climate is today’s rainfall only
D. Weather is short-term conditions; climate is the long-term pattern

Question 19

Multiple Choice - 1.00 marks

Prompt Which gas is a major contributor to human-driven climate change?

Select one answer.

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

A. Carbon dioxide
B. Helium
C. Neon
D. Argon only

Question 20

Multiple Choice - 1.00 marks

Prompt What is one benefit of mulching soil?

Select one answer.

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

A. It increases evaporation
B. It conserves moisture and protects the surface
C. It removes every soil organism
D. It turns soil into rock

Question 21

Multiple Choice - 1.00 marks

Prompt What is a likely effect of deforestation?

Select one answer.

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

A. Less soil erosion everywhere
B. More habitat for all forest species
C. Automatic increase in rainfall
D. Habitat loss and increased soil erosion

Question 22

Multiple Choice - 1.00 marks

Prompt What does composting produce?

Select one answer.

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

A. Plastic
B. Metal ore
C. Nutrient-rich organic material for soil
D. Petrol

Question 23

Multiple Choice - 1.00 marks

Prompt Which tool is mainly used for digging and moving soil?

Select one answer.

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

A. Secateurs
B. Spade
C. Paintbrush
D. Thermometer

Question 24

Multiple Choice - 1.00 marks

Prompt Which tool is commonly used for weeding and loosening soil around crops?

Select one answer.

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

A. Hoe
B. Needle
C. Spanner
D. Whisk

Question 25

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 26

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 27

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 28

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 29

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 30

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 31

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 32

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 33

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 34

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 35

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 36

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 37

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 38

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 39

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 40

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

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