BIOLOGY LESSON NOTE ON CROP PROPAGATION

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Topic: Crop Propagation Class: Senior Secondary School 2 (SS2) Subject: Biology Specific Objectives By the end of this lesson, students should be able to: Define crop propagation. Differentiate between sexual and asexual propagation. Identify and explain various methods of crop propagation. Highlight the advantages and disadvantages of each method. Recognize common examples of crops propagated using each method. Lesson Content 1. Meaning of Crop Propagation Crop propagation refers to the process by which plants reproduce or are reproduced to give rise to new plants. This can occur naturally or be carried out artificially by farmers or agricultural scientists. It is a vital practice in agriculture that ensures the continuous production of food and other plant-based resources. 2. Types of Crop Propagation Crop propagation is broadly categorized into two main types: Sexual Propagation (Seed Propagation) Asexual Propagation (Vegetative Propagation) 3. Sexual Propa...
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BIOLOGY WORK SHEET ON DIGESTIVE SYSTEM

THE DIGESTIVE SYSTEM WORKSHEET 

Name: _____________________

Date:______________________

1. Label the Parts: Label the following parts of the digestive system on the diagram provide

  1.    Mouth
  2.    Esophagus
  3.    Stomach
  4.    Small intestine
  5.    Large intestine
  6.    Liver
  7.    Pancreas 
  8.    Gallbladder 

2. Digestive System Functions: Write a short description of the primary function of each of the labeled parts of the digestive system

  1.    Mouth
  2.    Esophagus
  3.    Stomach
  4.    Small intestine
  5.    Large intestine
  6.    Liver
  7.    Pancreas
  8.    Gallbladder

3. Digestive Process: Put the following steps of the digestive process in the correct order

  1.    Absorption of nutrient
  2.   Chewing and mixing with salive
  3.    Mechanical digestion in the stomach
  4.    Chemical digestion in the small intestine
  5.    Elimination of waste
  6.   Food entering the esophagus
  7.    Bile production
  8.    Enzyme secretion

Correct Order: _____________________

4. Enzymes and Digestion: Match the digestive enzymes with the substances they help digest

  1.   Amylase
  2.    Pepsin 
  3.    Lipase 
  4.   Trypsin 

   a. Breaks down carbohydrates: _____________

   b. Breaks down proteins: ______________

   c. Breaks down fats: ______________

   d. Breaks down nucleic acids: ______________

5. Role of the Liver: Explain the role of the liver in the digestive system and mention one other important function of the liver

   Digestive role of the liver

   Other important function of the liver

6. Digestive System Disorders: Choose one digestive system disorder (e.g., acid reflux, irritable bowel syndrome) and briefly describe its symptoms and potential cause

   Disorder: _____________________

   Symptoms: ______________________

   Potential Causes: ______________________

7. Healthy Eating: List three tips for maintaining a healthy digestive system through diet and lifestyle choice

   1. _____________________________

   2. ______________________________

   3. ______________________________

8. Food Journey: Describe the journey of a piece of pizza through the digestive system, starting from when it's consumed until it's fully digested and eliminate  ________________________________________________________  _________________________________________________________  _________________________________________________________  _________________________________________________________

9. Digestive System Fun Fact: Share an interesting fact or trivia about the digestive system

   Fun Fact: _____________________________

10. Conclusion: Summarize the importance of the digestive system in the overall functioning of the human body

 ________________________________________________________  _________________________________________________________  _________________________________________________________

Note: Feel free to use textbooks, online resources, or your own knowledge to complete this worksheet.

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