Examination on Basic Science
Class: JSS 1
Term: Second Term
Time: 1 Hour
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions.

1. ________ is the male reproductive organ responsible for producing sperm. (a) Uterus (b) Testis (c) Ovary (d) Vagina
2. ________ is the contamination of the environment by harmful substances. (a) Recycling (b) Conservation (c) Pollution (d) Sanitation
3. The transfer of energy from one form to another is called energy ________. (a) creation (b) transformation (c) destruction (d) generation
4. An infection transmitted primarily through sexual contact is known as a Sexually Transmitted ________. (a) Disease (b) Infection (c) Illness (d) Virus
5. An example of a renewable energy source is ________. (a) Coal (b) Natural Gas (c) Solar (d) Petroleum
6. A common water-borne disease is ________. (a) Malaria (b) Tuberculosis (c) Cholera (d) Measles
7. Which of the following is a function of the female reproductive system? (a) Production of sperm (b) Production of eggs (c) Secretion of testosterone (d) Storage of urine
8. Which of the following is NOT a mode of HIV transmission? (a) Unprotected sex (b) Sharing sharp objects (c) Casual contact like hugging (d) Mother to child during birth
9. All of these are forms of energy except ________. (a) Heat (b) Light (c) Sound (d) Water
10. All of these are control measures for air pollution except ________. (a) Planting trees (b) Using public transport (c) Burning fossil fuels (d) Industrial filters
11. Which of these is NOT a symptom of an STI? (a) Genital sores (b) Fever (c) Clear urine (d) Pain during urination
12. Which energy source does NOT produce greenhouse gases? (a) Coal (b) Wind (c) Petroleum (d) Natural gas
13. The main reason for practising safe sex is to prevent ________. (a) pregnancy (b) STIs (c) divorce (d) financial problems
14. The main reason for conserving energy is to ________. (a) increase pollution (b) save resources (c) waste money (d) promote laziness
15. The correct step in seeking help for an STI is to ________. (a) self-medicate (b) ignore the symptoms (c) consult a healthcare professional (d) tell only friends
16. The correct step in preventing water pollution is to ________. (a) dump refuse into rivers (b) treat sewage before discharge (c) wash cars in rivers (d) use excessive fertilizers
17. Which of these is not a component of the male reproductive system? (a) Uterus (b) Testis (c) Scrotum (d) Vas deferens
18. Which of these is not a myth about HIV/AIDS? (a) HIV can be transmitted by mosquito bites (b) HIV can be transmitted by sharing food (c) HIV can be transmitted through unprotected sex (d) HIV can be cured by traditional herbs
19. The process by which plants convert light energy into chemical energy is called ________. (a) respiration (b) photosynthesis (c) fermentation (d) combustion
20. A device that converts solar energy into electrical energy is a ________. (a) wind turbine (b) hydroelectric dam (c) solar panel (d) generator
21. What is the primary function of the uterus in the female reproductive system? (a) Produce eggs (b) Site of fertilization (c) Nurture a developing fetus (d) Produce hormones
22. Poor sanitation and contaminated water are major causes of ________ pollution. (a) air (b) noise (c) water (d) soil
23. The Human Immunodeficiency Virus (HIV) attacks the body’s ________ system. (a) digestive (b) circulatory (c) immune (d) nervous
24. Which of the following is an example of a non-renewable energy source? (a) Geothermal (b) Biomass (c) Crude oil (d) Hydropower
25. Energy from moving water used to generate electricity is known as ________ power. (a) thermal (b) nuclear (c) hydro-electric (d) wind
26. The care of the male reproductive organ involves regular washing and ________. (a) consumption of alcohol (b) tight clothing (c) hygiene (d) smoking
27. One major effect of air pollution is ________. (a) increased plant growth (b) respiratory diseases (c) cleaner water (d) stronger buildings
28. STIs can lead to serious health problems like infertility and ________. (a) weight loss (b) hair growth (c) death (d) improved vision
29. The difference between HIV and AIDS is that AIDS is the ________ stage of HIV infection. (a) early (b) latent (c) final (d) initial
30. Which form of energy is associated with movement? (a) Potential energy (b) Kinetic energy (c) Chemical energy (d) Nuclear energy
31. The misuse of energy resources can lead to ________. (a) economic growth (b) resource depletion (c) environmental improvement (d) increased leisure
32. What is the main purpose of counselling and testing for HIV? (a) To shame individuals (b) To encourage risky behaviour (c) To know one’s status and seek early treatment/prevention (d) To spread panic
33. The female reproductive organ that produces eggs is the ________. (a) uterus (b) fallopian tube (c) ovary (d) cervix
34. Dumping industrial waste into rivers causes ________ pollution. (a) air (b) soil (c) noise (d) water
35. Which of these is a risky behaviour that can lead to STI transmission? (a) Abstinence (b) Monogamy (c) Unprotected sex (d) Using condoms
36. Solar energy is a form of energy that comes from the ________. (a) moon (b) stars (c) sun (d) earth’s core
37. A common myth about HIV/AIDS is that it can be transmitted by ________. (a) blood transfusion (b) sharing needles (c) mosquito bites (d) mother to child
38. Which of the following is a preventive measure for STIs? (a) Multiple sexual partners (b) Abstinence (c) Sharing unsterilized needles (d) Alcohol abuse
39. The energy required to power appliances in our homes is mostly converted from ________ energy. (a) mechanical (b) chemical (c) electrical (d) sound
40. Care for the female reproductive system includes regular check-ups and ________. (a) consumption of sugary foods (b) poor hygiene (c) early sexual activity (d) proper hygiene

SECTION B: THEORY (30 Marks)
Instruction: Answer any THREE questions.

1. (a) List two male and two female reproductive organs. (2 marks)
(b) Explain two ways in which water pollution can be controlled. (3 marks)
(c) State three signs or symptoms of Sexually Transmitted Infections (STIs). (3 marks)
(d) What is the main function of the testis in males? (2 marks)

2. (a) Differentiate between HIV and AIDS. (2 marks)
(b) Identify three modes of HIV transmission. (3 marks)
(c) Explain the difference between renewable and non-renewable energy sources, giving one example for each. (3 marks)
(d) State two forms of energy. (2 marks)

3. (a) Define environmental pollution. (2 marks)
(b) Describe two effects of air pollution on human health. (3 marks)
(c) Discuss two ways STIs can be prevented. (3 marks)
(d) Give two uses of energy in society. (2 marks)

4. (a) Mention two ways to care for the female reproductive organs. (2 marks)
(b) Explain two myths about HIV/AIDS. (3 marks)
(c) Describe the concept of energy transformation, giving one example. (3 marks)
(d) List two risky behaviours that can lead to STI transmission. (2 marks)

Objective Marking Scheme
Question 1 – ✅ (b) Testis
Question 2 – ✅ (c) Pollution
Question 3 – ✅ (b) transformation
Question 4 – ✅ (b) Infection
Question 5 – ✅ (c) Solar
Question 6 – ✅ (c) Cholera
Question 7 – ✅ (b) Production of eggs
Question 8 – ✅ (c) Casual contact like hugging
Question 9 – ✅ (d) Water
Question 10 – ✅ (c) Burning fossil fuels
Question 11 – ✅ (c) Clear urine
Question 12 – ✅ (b) Wind
Question 13 – ✅ (b) STIs
Question 14 – ✅ (b) save resources
Question 15 – ✅ (c) consult a healthcare professional
Question 16 – ✅ (b) treat sewage before discharge
Question 17 – ✅ (a) Uterus
Question 18 – ✅ (c) HIV can be transmitted through unprotected sex
Question 19 – ✅ (b) photosynthesis
Question 20 – ✅ (c) solar panel
Question 21 – ✅ (c) Nurture a developing fetus
Question 22 – ✅ (c) water
Question 23 – ✅ (c) immune
Question 24 – ✅ (c) Crude oil
Question 25 – ✅ (c) hydro-electric
Question 26 – ✅ (c) hygiene
Question 27 – ✅ (b) respiratory diseases
Question 28 – ✅ (c) death
Question 29 – ✅ (c) final
Question 30 – ✅ (b) Kinetic energy
Question 31 – ✅ (b) resource depletion
Question 32 – ✅ (c) To know one’s status and seek early treatment/prevention
Question 33 – ✅ (c) ovary
Question 34 – ✅ (d) water
Question 35 – ✅ (c) Unprotected sex
Question 36 – ✅ (c) sun
Question 37 – ✅ (c) mosquito bites
Question 38 – ✅ (b) Abstinence
Question 39 – ✅ (c) electrical
Question 40 – ✅ (d) proper hygiene