PRIMARY SEVEN SCIENCE QUESTIONS

PRIMARY SEVEN SCIENCE QUESTIONS AND ANSWERS

This Quiz provides you with the objective question of Primary Seven : questions with their Answer which are well explained at the end of the Quiz.

Answer all Questions

1. Which type of immunity do babies get from the mother?

Natural immunity

Other types of immunity is called Acquired or artificial immunity through vaccination.

Question 1 of 44

2. Name the blood vessel which takes blood from the heart to the lung

Pulmonary artery carries blood from the heart to the lungs.

Question 2 of 44

3. Name the blood vessel which takes blood from the heart to the lung

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Pulmonary artery carries blood from the heart to the lungs.

Question 3 of 44

4. Name the energy resource obtained from animal dung and urine

Biogas: the main component of biogas is methane, thus the answer may be methane.

Question 4 of 44

5. Mention any one factor that affects the rate of evaporation.

Humidity: the higher the humidity the lower the rate of evaporation because the air saturates faster. Other factors include Surface area; the bigger the surface area, the higher the rate of evaporation due to increased exposer of liquid molecules Temperature: the higher the temperature, the higher that rate of evaporation because, it provides heat of vaporization. Wind increases the rate of evaporation by removing saturated air Pressure reduction in pressure increases the rate of evaporation

Question 5 of 44

6. State the difference in units to measure weight and mass.

1222

Question 6 of 44

7. To which class of levers does the machine above belong?

Question 7 of 44

8. Give any one way in which litter is important in a poultry house.

liter

Question 8 of 44

9. Apart from the brightly colored petals, state one other thing that attracts insects to the flowers.

Question 9 of 44

10. State any one way in which drought affects food production in a community.

Question 10 of 44

11. State the difference between the feeding of tape worm and a Hook worm.

Question 11 of 44

12. Why is water obtained by distillation method not good for drinking?

Question 12 of 44

13. State the sense organ for feeling in the human body.

Question 13 of 44

14. Which property of a magnet enables a magnet compass to work.

Question 14 of 44

15. State any one way in which the spread of scabies can be prevented.

Question 15 of 44

16. Why do some plants shed their leaves during dry season?

Plants shed off their leaves to reduce water loss

Question 16 of 44

17. Mention one permanent method of birth control in males.

Vasectomy: in vasectomy sperm ducts are cut and tied

Question 17 of 44

18. Give one reason why pregnant mothers are advised to feed on food rich in proteins.

To enable the fetus grow well.

Question 18 of 44

19. The diagram below shows part of a joint.

Study and use it to answer questions 21 and 22.

12 1

Name the part marked X

Ligament (joins a bone to a bone)

Question 19 of 44

20. State the method of controlling soil erosion where a farmer plough land across a slope

Contour ploughing

Question 20 of 44

21. Which element of primary Health care helps to prevent tooth decay?

Personal hygiene or dental care

Question 21 of 44

22. State the role of enzymes during food digestion.

Breakdown food into absorbable form

Question 22 of 44

23. Apart from camera and microscope, name any one other optical instrument that uses a lens.

Telescope or binoculars

Question 23 of 44

24. Give one way in which mosses are similar to mushrooms in the way they reproduce.

Both reproduce by means of spores

Question 24 of 44

25. Why tepid sponging is an important First Aid to a person with high fever?

A tepid sponge reduces body temperature. It is a cloth with lukewarm water.

Question 25 of 44

26. Why are sun bird able to suck nectar from the bottom of the flowers?

Sun bird has a long beak to reach nectar

Question 26 of 44

27. Give an example of mollusc which is a vector to human.

Water Snail

Question 27 of 44

28. Name the human body system which eliminated wastes.

Excretory system

Question 28 of 44

29. Give any one way in which a VIP latrine is different from an ordinary pit latrine.

11111

A VIP latrine has - a screen which traps flies no lid vent pipe

Question 29 of 44

30. Name the root crop which is attacked by the mosaic disease.

Cassava

Question 30 of 44

31. Give any one reason why sheep farmers carry out docking.

To make mating easy i.e. docking cutting off sheep’s tail

Question 31 of 44

32. Apart from a flat iron, give any other one appliance used at home that changes electric energy to heat energy.

Bulb, electric kettle and hot plate

Question 32 of 44

33. The diagram below shows a well-tuned musical instrument. The string P, Q, R,S and T are of uniform thickness. Use it to answer the question that follows

Why does string T produce sound of the highest pitch?

Because it is the shortest, the shorter the string and the tighter the string the higher the pitch.

Question 33 of 44

34. State any one way in which smoking affects the human respiratory system.

Causes lung cancer, Damages the lungs

Question 34 of 44

35. Give the importance of plants in a food chain.

Produce food by the process of photosynthesis.

Question 35 of 44

36. Give the importance of plants in a food chain.

Produce food by the process of photosynthesis.

Question 36 of 44

37. Name the fungal-caused sexually transmitted disease, which is spread through poor hygiene.

Candidiasis/ thrust

Question 37 of 44

38. State one reason why farmer stake tomato plants.

To prevent tomatoes from rotting To make weeding easy

Question 38 of 44

39. Give two examples of natural fertilizers

Green fertilizer Composite fertilizers

Question 39 of 44

40. state any two ways in which natural fertilizers are better than artificial fertilizers.

(i) They stay longer in the soil (ii) they are cheap Do not require skill to apply Improve soil texture Provide a variety of nutrients

Question 40 of 44

41. The diagram below shows a flowering plant

Study and use it to answer the questions that follow.

222

To which group of flowering plants does the above plant belongs?

Monocotyledonous plant

Question 41 of 44

42. Give any two conditions in which women are vulnerable

When sick When pregnant

Question 42 of 44

43. State any two ways in which family members can care for vulnerable women.

provide balance diet help with domestic work Counsel and guidance

Question 43 of 44

44. Name the respiratory organ which are protected by the rib cage.

Lungs

Question 44 of 44

3 thoughts on “PRIMARY SEVEN SCIENCE QUESTIONS”

Dickson
April 20, 2022 at 12:16 pm

Good website

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Kenneth
April 2, 2023 at 6:47 am

Relevant and understandable work.

Reply
Kenneth
April 2, 2023 at 7:12 am

Fantastic website

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PRIMARY SEVEN SCIENCE QUESTIONS AND ANSWERS

3 thoughts on “PRIMARY SEVEN SCIENCE QUESTIONS”

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