Respiratory System in Human Beings

Author:P A Paulose
7th ICSE
IMPORTANT

Important Questions on Respiratory System in Human Beings

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 1

Choose the odd one, giving a reason for your answer.

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 2

Which of the following pictures shows the process of inhalation?

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 3

Classify the following organs according to the organ system to which they belong.

[Mark 'R' for respiratory system and 'E' for excretory (urinary) system.]

Nose, Ureters, Trachea, Urethra, Kidneys, Lungs, Alveoli

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 4

Differentiate between respiration and photosynthesis.

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 5

Explain how exchange of gases takes place between blood and the alveoli.

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 6

Explain the mechanism of breathing in human beings.

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 7

Define respiration. How is breathing different from respiration?

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 8

Correct the statement

The outer portion of the kidney is called medulla.

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 9

Carbon dioxide is a by-product of respiration.

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New Oxford Modern Science Biology Class 7>Life Processes: Respiration and Excretion>None>Respiratory System in Human Beings> Q 10

Correct the statement

Breathing is a chemical process.