Daily Practice Problems
Class 7 Science
Wastewater Story
daily practice problem

Question 1.

State whether the given statement is true or false.

Wastewater can be used for human consumption.

 

Question 2.

Name the toilets used in areas with limited water supply.

 

Question 3.

Name two inorganic impurities present in sewage.

 

Question 4.

Sewage contains some organic impurities in it. Name them.

 

Question 5.

Name two things that can be made from sludge extracted during treatment of sewage.

 

Question 6.

_________ are the pipes acting as a transport system that carries sewage from point of origin to the point of disposal.

 

Question 7.

_________ is the process of adding chlorine (chemical) in water to make it safe for drinking.

 

Question 8.

Sewage also contains some nutrients Comment.

Question 9.

Open drain system is a breeding place for which of the following?

(a) Flies

(b) Mosquitoes

(c) Organisms which cause diseases

(d) All of the above

 

Question 10.

Sewage is mainly a

(a) liquid waste

(b) solid waste

(c) gaseous waste

(d) mixture of solid and gas

 

Question 11.

Which of the following method can be used to grow aerobic bacteria in clarified water?

(a) filtration
(b) sewage
(c) aeration
(d) sedimentation

 

Question 12.

After processing what happens to the activated sludge?

 

Question 13.

Why should we avoid throwing cooking oils in drains?

Question 14.

_________ is the proper disposal of sewage and garbage away from houses and surrounding areas.

 

Question 15.

Floating dirt or froth on the surface of wastewater is called __________.

 

Question 16.

The full form of WWTP is ___________.

 

Question 17.

State beneficial activity of microbes in sewage disposal.

 

Question 18.

Vermi-composting toilets use _________ to treat human waste.

 

Question 19.

The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as

(a) sewers

(b) sewerage

(c) transport system

(d) treatment plant

 

Question 20.

Chlorine is used in municipal water treatment plant to

(a) change the teste of water

(b) prevent evaporation

(c) kill the harmful microorganisms

(d) prevent sedimentation

**********

Problem-solving on Class 7 Science Wastewater Story NCERT Chapter 18 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 Wastewater Story 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 Wastewater Story NCERT Chapter 18, 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 Wastewater Story 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 Wastewater Story 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 Wastewater Story. 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 Wastewater Story 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 Wastewater Story 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 Wastewater Story NCERT Chapter 18

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 Wastewater Story NCERT Chapter 18 useful.

Last but not least, to get the best hold on Class 7 Science Wastewater Story NCERT Chapter 18, do not forget to check out:

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