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Grade 9 – Biology

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Introduction to the Grade 9 Biology Course
What is Grade 9 Biology?
Chapter 1 : Blood Circulatory system

1.1 Introduction to the human circulatory system (Sample)
1 Topic
|
1 Quiz
1. 1.1.1 Introduction to the human circulatory system
  1. 1.1.1 Blood circulatory system
1.1 Introduction to the human circulatory system
1 Topic
|
1 Quiz
1. 1.1.2 Blood vessels and blood
  1. 1.1.2 Blood vessels
1.2 Adaptation of the Structure of blood vessels to their functions
1 Topic
|
1 Quiz
1. 1.2.1 Adaptation of the Structure of blood vessels to their functions
  1. 1.2.1 Adaptation of blood vessels structure
1.3 Pulse and measuring pulse
2 Topics
|
2 Quizzes
1. 1.3 Pulse and measuring pulse
  1. 1.3 Pulse and measuring pulse
2. 1.3.1 Effect of exercise
  1. 1.3.1 Effect of exercise
1.4 Components of Blood
3 Topics
|
3 Quizzes
1.5 Cardiovascular Diseases
2 Topics
|
2 Quizzes
1. 1.5.1 Cardiovascular Diseases
  1. 1.5.1 Cardiovascular Diseases
2. 1.5.2 Factors contributing to cardiovascular diseases
  1. 1.5.2 Factors contributing to cardiovascular diseases
Chapter 2 : Reproduction

2.1 Introduction to Reproduction
1 Topic
|
1 Quiz
1. 2.1.1 Introduction to Reproduction
  1. 2.1.1 Introduction to Reproduction
2.2 Asexual Reproduction
1 Topic
|
1 Quiz
1. 2.2.1 Asexual Reproduction
  1. 2.2.1 Asexual Reproduction
2.3 Sexual Reproduction
4 Topics
|
3 Quizzes
2.4 Comparing sexual and asexual reproduction
1 Topic
|
1 Quiz
1. 2.4.1 Comparing sexual and asexual reproduction
  1. 2.4.1 Comparing sexual and asexual reproduction
2.5 STDs
2 Topics
|
2 Quizzes
1. 2.5.1 STDs
  1. 2.5.1 STDs
2. 2.5.2 Data on STDs
  1. 2.5.2 Data on STDs
Chapter 3 : Biodiversity

3.1 Introduction to biodiversity
1 Topic
|
1 Quiz
1. 3.1.1 Introduction to biodiversity
  1. 3.1.1 Introduction to biodiversity
3.2 Importance of biodiversity
1 Topic
|
1 Quiz
1. 3.2.1 Importance of biodiversity
  1. 3.2.1 Importance of biodiversity
3.3 Use Quadrats to estimate biodiversity in an ecosystem
1 Topic
|
1 Quiz
1. 3.3.1 Use Quadrats to estimate biodiversity in an ecosystem
  1. 3.3.1 Use Quadrats to estimate biodiversity in an ecosystem
3.4 Impact of natural disasters on biodiversity
1 Topic
|
1 Quiz
1. 3.4.1 Impact of natural disasters on biodiversity
  1. 3.4.1 Impact of natural disasters on biodiversity
3.5 Effects of human activities on biodiversity
1 Topic
|
1 Quiz
1. 3.5.1 Effects of human activities on biodiversity
  1. 3.5.1 Effects of human activities on biodiversity
3.6 Reducing the effects of human activities on biodiversity
1 Topic
|
2 Quizzes
1. 3.6.1 Reducing the effect of human activities on biodiversity
  1. 3.6.1 Reducing the effect of human activities on biodiversity
- End of Chapter Quiz-Biodiversity
Chapter 4 : Nutrition in Plants

4.1 What is photosynthesis?
1 Topic
|
1 Quiz
1. 4.1.1 What is photosynthesis?
  1. 4.1.1 What is photosynthesis?
4.2 Leaf adaptations for photosynthesis
2 Topics
|
2 Quizzes
1. 4.2.1 Leaf structure
  1. 4.2.1 Leaf structure
2. 4.2.2 Adaptations of leaf for photosynthesis
  1. 4.2.2 Adaptations of leaf for photosynthesis
4.3 Movement of Carbon dioxide into leaf by diffusion
1 Topic
1. 4.3.1 Movement of Carbon dioxide into leaf by diffusion
4.4 Testing for the presence of starch in a leaf
1 Topic
|
1 Quiz
1. 4.4.1 Testing the presence of starch in a leaf
  1. 4.4.1 Testing the presence of starch in a leaf
4.5 Investigating factors affecting photosynthesis
4 Topics
|
3 Quizzes

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1.1.1 Blood circulatory system

Bhawna Soneeram January 22, 2023

Grade 9 – Biology 1.1 Introduction to the human circulatory system (Sample) 1.1.1 Introduction to the human circulatory system 1.1.1 Blood circulatory system

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Question 1 of 5
1. Question
Which is NOT a component of the blood circulatory system?
- Blood vessels
- Lungs
- Blood
- Heart
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Question 2 of 5
2. Question
Where is the heart located in the human body?
- At position A
- At position B
- At position C
- At position D
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Question 3 of 5
3. Question
What is the percentage of PLASMA in blood?
- 41%
- 45%
- 55%
- 53%
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Question 4 of 5
4. Question
Fill in the blank.
- Red blood cells have a red pigment called , which carries oxygen around the body.
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Question 5 of 5
5. Question
Match the labels (letters A, B and C) to their corresponding blood vessels.
Sort elements
- Vein
- Capillary
- Artery
- Blood vessel A
- Blood vessel B
- Blood vessel C
Correct
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1.1.1 Blood circulatory system

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