Jss 3 Exam Questions And Answers

General
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Jss 3 Exam Questions And Answers

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JSS 3 Exam Questions and Answers

Introduction

Here is a collection of potential exam questions and answers for Junior Secondary School Year 3 (JSS 3). These questions cover a variety of subjects such as Mathematics, English, Basic Science, Social Studies, and more. Aimed at preparing students for their exams, each section provides a comprehensive understanding of what to expect and how to approach these subjects effectively.

Mathematics

Question 1:

Simplify: (3x + 4y - 2x + y).

Answer:

  • Core Concept: Simplifying like terms involves combining terms with the same variable.
  • Step 1: Identify like terms: (3x) and (-2x) are like terms, and (4y) and (y) are like terms.
  • Step 2: Combine like terms:
    • For (x): (3x - 2x = x)
    • For (y): (4y + y = 5y)

Final Answer:

x + 5y

Question 2:

Solve for (x) in the equation (2(x - 3) = 14).

Answer:

  • Core Concept: Solving linear equations requires isolating the variable.
  • Step 1: Expand the equation: (2x - 6 = 14).
  • Step 2: Add 6 to both sides:
    $$2x - 6 + 6 = 14 + 6$$
    $$2x = 20$$
  • Step 3: Divide each side by 2:
    $$x = \frac{20}{2}$$
    $$x = 10$$

Final Answer:

x = 10

English Language

Question 1:

Identify the adverb in the following sentence: “She quickly finished her homework.”

Answer:

  • Core Concept: An adverb modifies a verb, adjective, or other adverb, often indicating manner, place, time, or degree.
  • Step 1: Locate the verb in the sentence, which is “finished.”
  • Step 2: Identify the word modifying “finished,” which describes how it was done.

Final Answer:

The adverb is “quickly.”

Question 2:

Change the sentence from active to passive voice: “The teacher taught the students an important lesson.”

Answer:

  • Core Concept: In passive voice, the subject receives the action.
  • Step 1: Identify the object in the active sentence (“the students”) and move it to be the subject in the passive sentence.
  • Step 2: Transform the verb to the passive form using “was” and past participle.
  • Step 3: Keep the agent with “by” if necessary.

Final Answer:

“The students were taught an important lesson by the teacher.”

Basic Science

Question 1:

Explain the process of photosynthesis.

Answer:

  • Core Concept: Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy stored in glucose.
  • Step 1: It occurs primarily in the chloroplasts of plant cells.
  • Step 2: The chlorophyll absorbs sunlight and uses it to convert carbon dioxide from the air and water from the soil into glucose and oxygen.
  • Step 3: The chemical equation for photosynthesis is:
    $$6CO_2 + 6H_2O + \text{light energy} \rightarrow C_6H_{12}O_6 + 6O_2$$

Final Answer:

Photosynthesis is the conversion of light energy into chemical energy in the form of glucose, with the release of oxygen.

Question 2:

What is the difference between a physical change and a chemical change?

Answer:

  • Core Concept: Distinguishing between physical and chemical changes requires understanding the nature of the change.
  • Step 1: A physical change involves a change in physical properties without changing the substance’s identity (e.g., melting ice).
  • Step 2: A chemical change involves a change in chemical composition, resulting in new substances (e.g., rusting iron).

Final Answer:

A physical change alters a substance’s appearance without changing its composition, while a chemical change results in the formation of new substances with new properties.

Social Studies

Question 1:

Describe three roles of government in a community.

Answer:

  • Core Concept: The government plays diverse roles in community development and management.
  • Role 1: Providing Security: Ensures the safety and protection of citizens through law enforcement and defense.
  • Role 2: Education: Offers educational opportunities and infrastructures, ensuring that all citizens have access to schooling.
  • Role 3: Healthcare: Facilities and services that promote health and well-being through hospitals and health initiatives.

Final Answer:

The government safeguards security, provides education access, and ensures healthcare services.

Question 2:

What is cultural diversity and why is it important in society?

Answer:

  • Core Concept: Cultural diversity refers to the presence of diverse cultural groups within a society, characterized by differences in language, traditions, beliefs, and practices.
  • Importance 1: Promotes Innovation: Cultural diversity brings new perspectives and ideas, fostering creativity and innovation.
  • Importance 2: Enhances Social Cohesion: Encourages understanding and tolerance among different cultural groups, strengthening societal unity.
  • Importance 3: Economic Advantage: Diverse cultural backgrounds can open up new markets and enhance the economic dynamics within a society.

Final Answer:

Cultural diversity represents a variety of cultural expressions among groups and is crucial for fostering innovation, enhancing social unity, and providing economic benefits.

This comprehensive overview equips JSS 3 students with valuable insights into potential exam questions and methods to tackle them proficiently.