Blood Components and Functions_Unsolved Paper
Chapter: Life Processes | Topic: Blood Components and Functions
BLOOD COMPONENTS AND FUNCTIONS_UNSOLVED PAPER
Topic: Blood Components and Functions
Q1. Which component of blood transports oxygen to different parts of the body?
- Platelets
- Plasma
- Red blood cells
- White blood cells
Q2. Which blood component helps the body fight infections?
- Red blood cells
- Platelets
- Plasma
- White blood cells
Q3.The liquid portion of blood is called:
- Serum
- Plasma
- Lymph
- Cytoplasm
Q4. Which blood component is mainly responsible for clotting during an injury?
- Plasma
- Plasmaz
- Red blood cells
- White blood cells
Q5. A student accidentally gets a small cut while doing a school science practical. Which blood component acts first to help stop excessive bleeding?
- Plasma
- Red blood cells
- Platelets
- White blood cells
Q6. Haemoglobin is present inside:
- White blood cells
- Platelets
- Red blood cells
- Plasma
Short qurstions
Q1. List the four main components of blood.
Q2. State any two functions of plasma.
Q3. Why are red blood cells important for the human body?
Q4. A child falls while playing cricket and gets a minor cut on the knee. Explain how blood helps prevent excessive blood loss.
Q5.Differentiate between red blood cells and white blood cells on the basis of their functions.
Q6. Explain the role of haemoglobin in the transport of respiratory gases.
Q1. Describe the composition of blood. Explain the structure and function of each major blood component.
Q2. Compare the following blood components:
Red blood cells
White blood cells
Platelets
Plasma
Compare them on the basis of structure, function, and importance in maintaining health.
Q3. During a school health camp, students are advised to eat iron-rich foods and maintain a balanced diet. Explain how proper nutrition supports healthy blood composition and efficient functioning of the circulatory system.
Q1. Read the following case:
A doctor advises a patient recovering from an illness to consume a balanced diet rich in iron, proteins, fruits, and vegetables to improve overall blood health.
Based on your understanding of blood components:
Explain the importance of different blood components in maintaining health.
Describe how a balanced diet supports the normal functioning of blood.
Discuss the role of haemoglobin in the body.
Q2. A biology teacher prepared the following table:
Complete the table by writing the appropriate functions of each blood component and explain why each function is important for maintaining life.
Q3.Read the following observations:
Oxygen reaches all body cells through blood.
The body fights infections effectively.
Bleeding stops after a minor injury.
Nutrients and hormones are transported throughout the body.
Using these observations, explain how different blood components work together to maintain the normal functioning of the human body.