JAMB CBT PRACTICE TEST

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BIOLOGY LESSON NOTE ON HUMAN KIDNEY

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Lesson Note on the Human Kidney Topic: The Human Kidney Duration: 40 minutes Specific Objectives: By the end of the lesson, students should be able to: Define the kidney and state its location in the human body. Identify and describe the structure and functions of the kidney. Explain the processes involved in urine formation (filtration, reabsorption, and secretion). Describe how the kidney contributes to homeostasis. Identify common kidney-related diseases and how to prevent them. Evaluate the importance of maintaining kidney health. Lesson Content: 1. Introduction to the Human Kidney The kidneys are vital organs in the human body responsible for filtering waste from the blood and regulating water and electrolyte balance. They are part of the excretory system and play a crucial role in homeostasis. Location: The kidneys are located in the abdominal cavity, on either side of the spine, just below the rib cage. Each kidney is bean-shaped and about the size of a fi...
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BASIC SCIENCE LESSON NOTE (JSS1 FIRST TERM)

Week 5: Classification of Living Things

Topic:

Basic Science Lesson Note on Classification of Living Things

Class:

JSS1 (Junior Secondary School 1)

Specific Objectives:

By the end of the lesson, students should be able to:

  1. Define classification of living things.
  2. Explain why living things are classified.
  3. Identify the major groups of living things.
  4. Classify animals into vertebrates and invertebrates.
  5. Give examples of plants and animals in each group.
  6. Appreciate the importance of classification in science.

Lesson Content:

1. Meaning of Classification of Living Things

Classification of living things is the process of grouping living organisms based on their similarities and differences.

It helps scientists to organize living things in an orderly way for easy study and identification.

2. Importance of Classification

Classification of living things is important because it:

  • Makes the study of living things easier
  • Helps in identifying organisms quickly
  • Helps scientists understand relationships between organisms
  • Makes information organized and easy to learn
  • Helps in naming organisms properly

3. Major Groups of Living Things

Living things are broadly classified into:

  • Plants
  • Animals

4. Classification of Animals

Animals are divided into two main groups:

(a) Vertebrates

Vertebrates are animals that have a backbone or spinal column.

Examples of vertebrates:

  • Fish
  • Birds
  • Reptiles (lizard, snake)
  • Amphibians (frog)
  • Mammals (goat, human, dog)

(b) Invertebrates

Invertebrates are animals that do not have a backbone.

Examples of invertebrates:

  • Earthworm
  • Snail
  • Insects (butterfly, ant, mosquito)
  • Spider
  • Crab

5. Classification of Plants

Plants are grouped based on their characteristics:

(a) Flowering Plants

These are plants that produce flowers and seeds.

Examples:

  • Mango tree
  • Orange tree
  • Hibiscus
  • Maize

(b) Non-Flowering Plants

These are plants that do not produce flowers.

Examples:

  • Fern
  • Moss
  • Algae

6. Basis of Classification

Living things are classified based on:

  • Structure
  • Body features
  • Mode of nutrition
  • Presence or absence of backbone
  • Mode of reproduction

7. Simple Chart of Classification

Living Things
→ Plants
→ Animals
  → Vertebrates
  → Invertebrates

8. Importance of Classification in Daily Life

  • Helps doctors identify organisms that cause diseases
  • Helps farmers know different types of crops and pests
  • Helps students understand nature better
  • Helps scientists discover new species

Conclusion:

Classification of living things is very important in Basic Science because it helps us to group organisms in an organized way. It makes learning easier and helps scientists understand the relationship between different living things.

Evaluation (Objective Questions):

  1. Classification of living things means
    A. Mixing all organisms
    B. Grouping living things based on similarities
    C. Breaking organisms
    D. Ignoring animals
    Answer: B

  2. Animals with backbone are called
    A. Insects
    B. Vertebrates
    C. Invertebrates
    D. Plants
    Answer: B

  3. Which of these is a vertebrate?
    A. Earthworm
    B. Snail
    C. Fish
    D. Ant
    Answer: C

  4. Animals without backbone are called
    A. Vertebrates
    B. Invertebrates
    C. Mammals
    D. Birds
    Answer: B

  5. Which of the following is an invertebrate?
    A. Goat
    B. Dog
    C. Spider
    D. Fish
    Answer: C

  6. Plants are mainly classified into
    A. Animals and insects
    B. Flowering and non-flowering
    C. Vertebrates and mammals
    D. Birds and reptiles
    Answer: B

  7. An example of flowering plant is
    A. Fern
    B. Moss
    C. Mango
    D. Algae
    Answer: C

  8. Classification helps to
    A. Confuse learners
    B. Organize living things
    C. Destroy plants
    D. Stop science learning
    Answer: B

  9. Which of these is NOT a group of living things?
    A. Plants
    B. Animals
    C. Stones
    D. Vertebrates
    Answer: C

  10. One importance of classification is
    A. Making learning difficult
    B. Making study easier
    C. Removing science
    D. Creating confusion
    Answer: B

Essay Questions:

  1. Define classification of living things.
  2. State five importance of classification.
  3. Differentiate between vertebrates and invertebrates.
  4. Give five examples of vertebrates.
  5. Give five examples of invertebrates.
  6. Explain how plants are classified with examples.

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