Daily Practice Problems
Class 7 Science
Respiration in Organisms
daily practice problem

Question 1.

The food has stored energy, which is released during ________.

 

Question 2.

The process of breakdown of food in the cell with the release of energy is called ___________.  

 

Question 3.

In the cells, which of the following gases helps in the breakdown of food after we breathe in air?

a. Carbon dioxide

b. Oxygen

c. Nitrogen

d. Hydrogen

 

Question 4.

In the cell, the food (glucose) is broken down into ________ and _______ using oxygen.

 

Question 5.

Match the following.

Aerobic respiration

When breakdown of glucose occurs without the use of oxygen.

Anaerobic respiration

The process of breakdown of food in the cell with the release of energy.

Cellular respiration

When breakdown of glucose occurs with the use of oxygen.

 

Question 6.

Give an example of anaerobe.

 

Question 7.

In the absence of oxygen, glucose breaks down into _________ and __________.

 

Question 8.

Why are yeasts used in making wine and beer?

 

Question 9.

State whether the given statement is true or false.

When there is a temporary deficiency of oxygen, our cells respire aerobically.

 

Question 10.

Why do muscle respire anaerobically during heavy exercise?

 

Question 11.

During the anaerobic respiration of muscles, the glucose breaks down in the absence of oxygen to produce which of the following?

a. Carbon dioxide

b. Lactic acid + energy

c. Alcohol

d. Energy

 

Question 12.

Why you get muscle cramps after heavy exercise?

 

Question 13.

Whenever you get cramps in the muscle, a hot water bath or a massage help you get relief. What can be the reason behind this?

 

Question 14.

The number of times a person breathes in a minute is termed as the ________.

 

Question 15.

During heavy exercise, the breathing rate can increase upto ______ per minute.

 

Question 16.

Match the following.

Nasal Cavity

A large, muscular sheet that forms the floor of the chest cavity

Diaphragm

During this the ribs move up and outwards and diaphragm moves down.

Exhalation

When we inhale air, it passes through our nostrils into it.

Inhalation

During exhalation, ribs move down and inwards, while diaphragm moves up to its former position.

 

Question 17.

A cockroach has small openings on its body called ________. Insects have a network of air tubes called ______ for gas exchange.

 

Question 18.

How do insects breathe?

 

Question 19.

How do earthworms breathe through their skin?

 

Question 20.

___________ in fish help them to use oxygen dissolved in water.

**********

Problem-solving on Class 7 Science Respiration in Organisms NCERT Chapter 10 after learning a theoretical concept is crucial for several reasons:

  1. Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic Class 7 Science Respiration in Organisms you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
  2. Understanding Deeper Concepts: When you encounter problems related to a theoretical concept that you learned in Class 7 Science Respiration in Organisms NCERT Chapter 10, you are forced to delve deeper into its intricacies. This deeper understanding enhances your comprehension of the subject and strengthens your grasp of the underlying principles.
  3. Critical Thinking: Problem-solving encourages critical thinking and analytical skills. It requires you to analyze the problem, identify relevant information, and devise a logical solution. This process sharpens your mind and improves your ability to approach complex challenges effectively.
  4. Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Respiration in Organisms Class 7 Science in practical scenarios helps you remember them better than passive reading or memorization.
  5. Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Respiration in Organisms Class 7 Science Notes on LearnoHub.com
  6. Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Respiration in Organisms. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
  7. Preparation for Exams and Challenges: Many exams, especially in science, mathematics, and engineering, involve problem-solving tasks. Regular practice in problem-solving prepares you to face these exams with confidence and perform well. It is also advised to take tests on Respiration in Organisms Class 7 Science Online Tests at LearnoHub.com.
  8. Enhancing Creativity: Problem-solving often requires thinking outside the box and exploring various approaches. This fosters creativity and innovation, enabling you to come up with novel solutions to different problems.
  9. Life Skills Development: Problem-solving is a valuable life skill that extends beyond academics. It equips you with the ability to tackle various challenges you may encounter in personal and professional life.
  10. Improving Decision Making: Problem-solving involves making decisions based on available information and logical reasoning. Practicing problem-solving enhances your decision-making skills, making you more effective in making informed choices.

In summary, problem-solving after learning a theoretical concept on CBSE Respiration in Organisms Class 7 Science is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.

You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.

All About Daily Practice Problems on Class 7 Science Respiration in Organisms NCERT Chapter 10

Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on Class 7 Science Respiration in Organisms NCERT Chapter 10 useful.

Last but not least, to get the best hold on Class 7 Science Respiration in Organisms NCERT Chapter 10, do not forget to check out:

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