NCERT Solutions for Chapter: Respiration in Organisms, Exercise 1: Exercise

Author:NCERT

NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Respiration in Organisms, Exercise 1: Exercise

Attempt the practice questions on Chapter 10: Respiration in Organisms, Exercise 1: Exercise with hints and solutions to strengthen your understanding. Science Textbook of Competency Based Questions for Class VII solutions are prepared by Experienced Embibe Experts.

Questions from NCERT Solutions for Chapter: Respiration in Organisms, Exercise 1: Exercise with Hints & Solutions

EASY
7th CBSE
IMPORTANT

The reactions below show two types of respiration.

i) glucose with oxygen carbon dioxide + water + energy

ii) glucose without oxygen carbon dioxide + alcohol + energy

 

What causes the reactions to be different?

EASY
7th CBSE
IMPORTANT

Which of these animals breathes through its skin?

EASY
7th CBSE
IMPORTANT

The table shows the chest measurement in four students during inhalation and exhalation.

Breathing Chest measurement
------ Student 1 Student 2 Student 3 Student 4
Inhalation 62 cm 58 cm 60 cm 65 cm
Exhalation 45 cm 54 cm 55 cm 56 cm

Chest expansion is the difference in chest sizes during inhalation and exhalation. Which student’s chest expanded the most?

EASY
7th CBSE
IMPORTANT

The table shows the chest measurement in four students during inhalation and exhalation.

Breathing Chest measurement
------ Student 1 Student 2 Student 3 Student 4
Inhalation 62 cm 58 cm 60 cm 65 cm
Exhalation 45 cm 54 cm 55 cm 56 cm

What should be done to confirm the chest measurements of the four students?

MEDIUM
7th CBSE
IMPORTANT

Which of these statements is correct for the respiratory system?

EASY
7th CBSE
IMPORTANT

Question Image

In which beaker will the lime water turn milky first? Explain your answer.

EASY
7th CBSE
IMPORTANT

Respiration is a _____ process, whereas breathing is a _____ process.

EASY
7th CBSE
IMPORTANT

Which of the following is not true about cellular respiration?