RBSE Solutions for Class 8 Science Chapter 20 Cleanliness Related Questions

Rajasthan Board RBSE Class 8 Science Chapter 20 Cleanliness Related Questions

RBSE Solutions for Class 8 Science

RBSE Solutions for Class 8 Science Chapter 20 Cleanliness Related Questions

Question 1.
In present perspective which matter is the main reason for environmental pollution and uncleanliness.
Answer:
In present perspective ‘plastic’ is the main reason for environmental pollution, and uncleanliness.

Question 2.
What diseases are likely to spread due to spreading uncleanliness.
Answer:
Spreading uncleanliness causes the chances of spreading infections diseases. ‘These diseases spread through contaminated water, air and food or through mosquitoes or contact.

Question 3.
For putting garbage, how many dustbins of different colours are used? How these dustbins are used?
Answer:
For putting garbage, generally (3) three different colour dustbins are used. They are used in the following manner:

  1. Green Dustbin – These are used to put leaves, dried fruits-vegetables, remaining food, used match box etc.
  2. Blue Dustbin – These are used to put recycled items like broken plastic items, juice bottle, empty toothpaste tubes, tin boxes, aluminium items etc.
  3. Red Dustbin – These are used for torch cells, expired medicine, used syringe etc.

RBSE Solutions for Class 8 Science Chapter 20 Cleanliness Related Questions

Question 4.
Uncleanliness and garbage gives birth to illness, explain.
Answer:
Where there is garbage, decay stool, mud sludge in drains then they give rise to disease causing fly, mosquitoes, bedbugs, flea etc. They spread diseases like cholera, malaria, diarrhoea, stomach hug. chicken pox, itching and blood disorder etc.

Question 5.
Give two points of work ethics listed by you for realising the dream of clean India.
Answer:

  1. To motivate people for adopting advance cleanliness behavior/habits.
  2. To use scientific methods for safe disposal of solid and liquid waste.

Question 6.
Give two solutions for prevention against contamination of worms?
Answer:

  1. Stop defecation in open, use toilets.
  2. Wash hands with soap after defecation and before meal.

Question 7.
What do you mean by cleanliness?
Answer:
Cleanliness refers to the living environment that is not harmful to human health and the environment. It also brings important measures for improving people’s health, well-being and their safety.

RBSE Solutions for Class 8 Science Chapter 20 Cleanliness Related Questions

Question 8.
What would you suggest to ensure cleanliness on the road?
Answer:
We will give the following suggestions to ensure cleanliness on the road –

  1. Do not throw garbage on the road.
  2. Dustbin should be kept at the proper place on the road so that the waste/garbage can be put in it.
  3. Proper arrangements of urinals and toilets in the markets should be made.
  4. Fine should be imposed on those who spit on streets after eating gutka (tobacco) and others who spread dirt.

Question 9.
Write any four tasks done for cleanliness.
Answer:

  1. No defecation in open.
  2. Safe disposal of waste.
  3. If oilier student spreads mess, we will stop and admonish him.
  4. We will collect fallen leaves and flowers on one place.

Question 10.
How will you keep your school clean? Name any four tasks.
Answer:
We will keep our school clean by the leading ways –

  1. We will not throw paper and food items in school.
  2. We will clean our school grounds.
  3. If other student spreads mess, we will stop and admonish him.
  4. We will collect fallen leaves and flowers on one place.

Question 11.
Why should we keep cleanliness? Give any two reasons.
(OR)
What are the harms of not keeping cleanliness? Give any two harms.
Answer:
Cleanliness requirement/harm due to not keeping cleanliness –

  1. In the absence of cleanliness, many types of diseases spread. There are adverse effects on people’s health.
  2. Dirt and waste also have adverse effects on the environment.

Question 12.
Give any two reasons for uncleanliness of roads In India.
Answer:

  1. The biggest reason for unclean roads in India is that there are no strict rules/laws on spreading uncleanliness (garbage) on the roads in our country.
  2. There is scarcity of waste disposal resources.

Question 13.
Give any two objectives of ‘Clean India Mission’.
Answer:
Two main objectives of ‘Clean India Mission’ are –

  1. Putting an end to open defecation trend in India.
  2. To put an end to the stool cleaning system with hands.

Question 14.
How do diseases spread through open defecation?
(OR)
Why should not be defecated ¡n open? Give two reasons.
Answer:

  1. Flies feed on the stool by defecation in open and then contaminate food with germs brought from stool. By eating such food by us, germs enter our bodies.
  2. Water is polluted by defecation near The source of water and by consuming such water the germs enters our bodies.

RBSE Solutions for Class 8 Science Chapter 20 Cleanliness Related Questions

Question 15.
What do you understand by Swachh Bharat Abhiyan (Clean India Mission)?
Answer:
Swachh Bharat Abhiyan is a cleanliness mission run by the Indian government to promote cleanliness in the country. More and more campaign was started by Prime Minister Shri Narendra Modi on October 2, 2014.

Question 16.
Write any two reasons for spreading of uncleanliness.
Answer:

  1. throwing house trash on streets and in drains.
  2. Open defecation.

Question 17.
What will you do to clean your body? Give any two actions.
Answer:

  1. Wash hands thoroughly with soap after defecation.
  2. Cut the nails at regular intervals so that they do not gather dirtiness.

Question 18.
In order to play your role in the cleanliness drive as a student, what two things you will Include in your routine?
Answer:
We will adopt the following things in our daily routine –

  1. We will use recycled, reusable products.
  2. We will not use plastic bags.

Question 19.
How can school campus be kept clean?
Answer:
School premises can be kept clean by taking care of the following points –

  1. We should make arrangements for regular cleaning of urinal and toilets in school campus.
  2. We should not throw food items, wrappers, torn papers in school premises.
  3. We should take care of cleaning the premises regularly.
  4. We should not spit anywhere and spread dirtiness in the entire school premises.
  5. Fallen leaves-flowers should be gathered and dropped on fixed location.
  6. Dustbins should be kept at certain places in the school premises where the. garbage can be put.

RBSE Solutions for Class 8 Science Chapter 20 Cleanliness Related Questions

Question 20.
Why is cleanliness essential in our lives? Explain,
Answer:
Cleanliness is very important in our lives because many types of diseases spread in the absence of cleanliness. Due to absence of cleanliness, food becomes contaminated which increase disease. Dirtiness has adverse effects on people’s health and their immune system decreases. Dirt and waste also have adverse effects on the environment. There fore, cleanliness is essential for human life.

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