Dr Uttam Singh Solutions for Exercise 1: Section EXERCISES

Author:Dr Uttam Singh

Dr Uttam Singh Biology Solutions for Exercise - Dr Uttam Singh Solutions for Exercise 1: Section EXERCISES

Attempt the practice questions from Exercise 1: Section EXERCISES 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 1: Section EXERCISES with Hints & Solutions

MEDIUM
9th ICSE
IMPORTANT

What is the percentage composition of gases in the inspired and expired air?

EASY
9th ICSE
IMPORTANT

Why does it become difficult to breathe at higher altitudes?

MEDIUM
9th ICSE
IMPORTANT

Why does one usually feel dizzy at higher altitudes?

EASY
9th ICSE
IMPORTANT

Define the following:
Tidal volume

EASY
9th ICSE
IMPORTANT

Define the following:
Vital capacity

MEDIUM
9th ICSE
IMPORTANT

Define the following:
Residual air

MEDIUM
9th ICSE
IMPORTANT

Define the following:
Dead space air

MEDIUM
9th ICSE
IMPORTANT

Why do alveoli walls have moist surface?