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

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

1. ________ is the periodic discharge of blood and tissue from the uterus. (a) Ovulation (b) Menstruation (c) Fertilization (d) Conception
2. The process where the male gamete fuses with the female gamete is called ________. (a) Ovulation (b) Menstruation (c) Fertilization (d) Implantation
3. Which of the following is a symptom of pregnancy? (a) Regular menstruation (b) Absence of menstruation (c) Increased appetite only (d) Decreased urination
4. All of these are parts of the female reproductive system except ________. (a) Uterus (b) Ovary (c) Testis (d) Fallopian tube
5. The release of an egg from the ovary is known as ________. (a) Menstruation (b) Ovulation (c) Conception (d) Pregnancy
6. Which is NOT a physical effect of teenage pregnancy? (a) Risk of premature birth (b) High blood pressure (c) Disrupted education (d) Nutritional deficiencies
7. The pushing or pulling action on an object is known as ________. (a) Energy (b) Work (c) Force (d) Power
8. Which of these forces requires direct contact between objects? (a) Magnetic force (b) Gravitational force (c) Frictional force (d) Electrostatic force
9. The force that pulls objects towards the center of the Earth is called ________. (a) Magnetic force (b) Gravitational force (c) Frictional force (d) Applied force
10. Which of the following is a non-contact force? (a) Tension force (b) Air resistance (c) Magnetic force (d) Normal force
11. The main reason for space travel is ________. (a) To colonize other planets (b) Scientific research and exploration (c) To escape Earth’s problems (d) To create new weapons
12. An example of a non-contact force is ________. (a) Pushing a trolley (b) Kicking a ball (c) Magnetic attraction (d) Dragging a box
13. The spinning of the Earth on its own axis is called ________. (a) Revolution (b) Rotation (c) Orbit (d) Eclipse
14. Which of these is not a planet in our solar system? (a) Mars (b) Jupiter (c) Sun (d) Saturn
15. A natural satellite of the Earth is the ________. (a) Sun (b) Moon (c) Mars (d) Venus
16. All of these are benefits of satellites except ________. (a) Weather forecasting (b) Communication (c) Causing natural disasters (d) Navigation
17. The acronym GIS stands for ________. (a) Global Information System (b) Geographic Information Software (c) Geographic Information System (d) General Intelligence System
18. Which of the following is a physical effect of drug abuse during pregnancy? (a) Financial problems (b) Birth defects in the baby (c) Social isolation (d) Emotional stress
19. The growth of a baby inside the mother’s womb is referred to as ________. (a) Ovulation (b) Menstruation (c) Foetal development (d) Conception
20. The force that opposes motion between two surfaces in contact is known as ________. (a) Magnetic force (b) Gravitational force (c) Frictional force (d) Applied force
21. Which is NOT a danger associated with space travel? (a) Radiation exposure (b) Microgravity effects (c) Improved communication (d) Space debris
22. The Earth’s movement around the Sun in an elliptical path is called ________. (a) Rotation (b) Revolution (c) Orbit (d) Axis
23. An eclipse occurs when one celestial body blocks the light from another. Which of the following is a type of eclipse? (a) Lunar eclipse (b) Solar eclipse (c) Both a and b (d) Planetary eclipse
24. The main purpose of menstrual hygiene is ________. (a) To prevent pregnancy (b) To maintain cleanliness and health (c) To stop menstruation (d) To increase fertility
25. Which of these is a myth about teenage pregnancy? (a) It can lead to health complications (b) It often disrupts education (c) You cannot get pregnant the first time you have sex (d) It can cause social stigma
26. When the net force acting on an object is zero, the forces are said to be ________. (a) Unbalanced (b) Balanced (c) Frictional (d) Gravitational
27. The correct step in calculating gravitational force involves using Newton’s law of universal ________. (a) Attraction (b) Repulsion (c) Gravitation (d) Motion
28. Which of these is a use of friction? (a) Making surfaces slippery (b) Allowing cars to move (c) Causing wear and tear (d) Generating heat
29. All of these are social effects of teenage pregnancy except ________. (a) Stigmatization (b) School dropout (c) Financial hardship (d) Healthy baby growth
30. The early stage of human development from fertilization to about eight weeks is called an ________. (a) Ovum (b) Sperm (c) Embryo (d) Foetus
31. ________ is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data. (a) GPS (b) GIS (c) GPRS (d) GSM
32. Which of the following is a benefit of space travel? (a) Increased pollution (b) Development of new technologies (c) Risk of spacecraft failure (d) High costs
33. The four distinct periods of the year, caused by the tilt of the Earth’s axis as it revolves around the Sun, are known as ________. (a) Cycles (b) Seasons (c) Phases (d) Weather
34. A satellite is any object that ________ around another object in space. (a) Crashes (b) Orbits (c) Flies (d) Lands
35. The female reproductive organ responsible for producing eggs is the ________. (a) Uterus (b) Vagina (c) Ovary (d) Cervix
36. Which is NOT an advantage of friction? (a) Allows us to walk (b) Helps brakes to stop vehicles (c) Causes wear and tear on machinery (d) Helps in gripping objects
37. The main reason for maintaining menstrual hygiene is to prevent ________. (a) Conception (b) Ovulation (c) Infections (d) Pregnancy
38. Which of these is not a stage to birth? (a) Dilation (b) Expulsion (c) Placental stage (d) Fertilization
39. When an object accelerates or changes its state of motion, it is acted upon by ________ forces. (a) Balanced (b) Unbalanced (c) Static (d) Kinetic
40. The force exerted by the Earth on objects near its surface is primarily due to ________. (a) Magnetism (b) Gravity (c) Friction (d) Air pressure

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

1. (a) Define menstruation. (2 marks)
(b) List three (3) methods of maintaining menstrual hygiene. (3 marks)
(c) Explain the difference between ovulation and fertilization. (3 marks)
(d) State two (2) symptoms a woman might experience during early pregnancy. (2 marks)

2. (a) What is force? (2 marks)
(b) Differentiate between contact and non-contact forces, giving one example for each. (3 marks)
(c) Explain how friction can be both an advantage and a disadvantage in everyday life. (3 marks)
(d) State two (2) physical effects of teenage pregnancy. (2 marks)

3. (a) Define space travel. (2 marks)
(b) List three (3) purposes of space travel. (3 marks)
(c) Explain the concept of the Solar System, naming two (2) celestial bodies found within it. (3 marks)
(d) State two (2) dangers associated with space travel. (2 marks)

4. (a) What is a satellite? (2 marks)
(b) Give three (3) uses of satellites in modern society. (3 marks)
(c) Explain the meaning of GIS and its primary function. (3 marks)
(d) Differentiate between the Earth’s rotation and revolution. (2 marks)

5. (a) List two (2) emotional effects of teenage pregnancy. (2 marks)
(b) Describe one (1) myth and one (1) fact about teenage pregnancy. (3 marks)
(c) Explain what is meant by ‘unbalanced forces’ and its effect on an object. (3 marks)
(d) Give two (2) benefits of space travel. (2 marks)

Objective Marking Scheme

Question 1 – ✅ (b) Menstruation
Question 2 – ✅ (c) Fertilization
Question 3 – ✅ (b) Absence of menstruation
Question 4 – ✅ (c) Testis
Question 5 – ✅ (b) Ovulation
Question 6 – ✅ (c) Disrupted education
Question 7 – ✅ (c) Force
Question 8 – ✅ (c) Frictional force
Question 9 – ✅ (b) Gravitational force
Question 10 – ✅ (c) Magnetic force
Question 11 – ✅ (b) Scientific research and exploration
Question 12 – ✅ (c) Magnetic attraction
Question 13 – ✅ (b) Rotation
Question 14 – ✅ (c) Sun
Question 15 – ✅ (b) Moon
Question 16 – ✅ (c) Causing natural disasters
Question 17 – ✅ (c) Geographic Information System
Question 18 – ✅ (b) Birth defects in the baby
Question 19 – ✅ (c) Foetal development
Question 20 – ✅ (c) Frictional force
Question 21 – ✅ (c) Improved communication
Question 22 – ✅ (b) Revolution
Question 23 – ✅ (c) Both a and b
Question 24 – ✅ (b) To maintain cleanliness and health
Question 25 – ✅ (c) You cannot get pregnant the first time you have sex
Question 26 – ✅ (b) Balanced
Question 27 – ✅ (c) Gravitation
Question 28 – ✅ (b) Allowing cars to move
Question 29 – ✅ (d) Healthy baby growth
Question 30 – ✅ (c) Embryo
Question 31 – ✅ (b) GIS
Question 32 – ✅ (b) Development of new technologies
Question 33 – ✅ (b) Seasons
Question 34 – ✅ (b) Orbits
Question 35 – ✅ (c) Ovary
Question 36 – ✅ (c) Causes wear and tear on machinery
Question 37 – ✅ (c) Infections
Question 38 – ✅ (d) Fertilization
Question 39 – ✅ (b) Unbalanced
Question 40 – ✅ (b) Gravity