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Respiration and Air Properties

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

The Breathing Mechanism

Subtopic

The Breathing Mechanism under Respiration and Air Properties for Grade 5 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Where does the exchange of gases (O2O_2 and CO2CO_2) actually take place?

    A.

    In the nose

    B.

    In the windpipe

    C.

    In the alveoli of lungs

    D.

    In the mouth

  2. 2.

    If you are sitting quietly reading a book, your breathing will be:

    A.

    Very fast

    B.

    Normal and steady

    C.

    Stopped

    D.

    Gasped

  3. 3.

    Which of these is not a part of the human respiratory system?

    A.

    Lungs

    B.

    Windpipe

    C.

    Nose

    D.

    Kidneys

Download the worksheet for Respiration and Air Properties - The Breathing Mechanism to practice offline. It includes additional chapter-level practice questions.

Hot and Cold Air Properties

Subtopic

Hot and Cold Air Properties under Respiration and Air Properties for Grade 5 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which part of our body expands when we take a deep breath?

    A.

    Feet

    B.

    Hands

    C.

    Chest

    D.

    Ears

  2. 2.

    When we do yoga or deep breathing, we feel:

    A.

    Tired

    B.

    Relaxed

    C.

    Angry

    D.

    Hungry

  3. 3.

    Which of these is NOT a breathing organ in humans?

    A.

    Nose

    B.

    Lungs

    C.

    Windpipe

    D.

    Stomach

Download the worksheet for Respiration and Air Properties - Hot and Cold Air Properties to practice offline. It includes additional chapter-level practice questions.

Condensation and Evaporation in Air

Subtopic

Condensation and Evaporation in Air under Respiration and Air Properties for Grade 5 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the blanket of air surrounding the Earth called?

    A.

    Hydrosphere

    B.

    Atmosphere

    C.

    Lithosphere

    D.

    Biosphere

  2. 2.

    When we sneeze, it is usually because our respiratory system is trying to:

    A.

    Get more oxygen

    B.

    Remove dust or irritating particles

    C.

    Make us feel tired

    D.

    Cool down the brain

  3. 3.

    The salt we use in our food is often obtained from seawater through which process?

    A.

    Condensation

    B.

    Evaporation

    C.

    Respiration

    D.

    Filtration

Download the worksheet for Respiration and Air Properties - Condensation and Evaporation in Air to practice offline. It includes additional chapter-level practice questions.

Respiration and Air Properties - Class 5 Science (CBSE) | Krit.club