Dr Uttam Singh Solutions for Exercise 2: Review QUESTIONS

Author:Dr Uttam Singh

Dr Uttam Singh Biology Solutions for Exercise - Dr Uttam Singh Solutions for Exercise 2: Review QUESTIONS

Attempt the practice questions from Exercise 2: Review QUESTIONS with hints and solutions to strengthen your understanding. Innovative Biology solutions are prepared by Experienced Embibe Experts.

Questions from Dr Uttam Singh Solutions for Exercise 2: Review QUESTIONS with Hints & Solutions

HARD
9th ICSE
IMPORTANT

Figure 14.12 represents the structure of the lungs and the thoracic cavity:

Question Image

Name the structure labelled 1 to 11.

MEDIUM
9th ICSE
IMPORTANT

What is meant by the breathing rate?

MEDIUM
9th ICSE
IMPORTANT

What is meant by the following:
tidal air

MEDIUM
9th ICSE
IMPORTANT

What is meant by the following:
residual air

MEDIUM
9th ICSE
IMPORTANT

How are dust particles removed from the lungs to the larynx?

EASY
9th ICSE
IMPORTANT

Name the small sac-like structures at the end of the bronchioles.

MEDIUM
9th ICSE
IMPORTANT

By what process does oxygen pass from the lungs into the blood stream?

MEDIUM
9th ICSE
IMPORTANT

What increases the rate of breathing?