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Q1. Fill in the blanks:

i.                      take the garbage from the bins.

Ans. Safai karamcharis

ii.                     wastes could be converted into useful compost.

Ans. Biodegradable

iii. Drains get choked due to              thrown by us.

Ans. plastic

iv. Redworms do not survive in very             or very            surroundings.

Ans. hot , cold 

Q2. True/False:

i. The packaging material of flour, biscuits and milk go out as garbage. 

Ans. True

ii. We generate so much garbage in our day-to-day activities. 

Ans. True

iii. Garbage contains only non-useful components. 

Ans. False

iv. Polythene bags are useful components of garbage. 

Ans. False

v. Garbage heaps of dried leaves should not be burnt. 

Ans. True

Q3. How useful components of garbage such as biodegradable items are dealt?

Ans. To deal with some of the useful components of garbage, compost making areas are developed near the landfill.

Q4. Which living organism is used for making compost?

Ans. Earthworm called redworm is used for composting.

Q5. What is redworm?

Ans. A type of earthworm called redworm is used for composting.

Q6. What organism other than earthworm is involved in composting?

Ans. Microorganisms such as bacteria, fungi etc. is involved in composting.

Q7. Suggest some packaging material which can be recycled or reuse?

Ans. Glass bottles, recycling polythene and jute bags

Q8. Earthworms are called farmer’s friend. Why?

Ans. A type of earthworm called redworm is used for composting and helps in increasing the fertility the soil. Thus they are called farmer’s friends.

Q9. List a few things we use that are made of plastics?

Ans. Toys, shoes, bags, pens, combs, tooth brushes, buckets, bottles, water pipes etc.

Q10. What are the uses of green colored bins?

Ans. The green bins are for collecting kitchen and other plant or animal wastes.

Q11. When rotting of garbage is said to be completed?

Ans. A black color and no foul smell indicate that rotting of garbage is complete.

Q12. For what purpose blue colored bins are used?

Ans. The blue bins are used for materials that can be used again — such as plastics, metals and glass.

Q13. What is composting?

Ans. The rotting and conversion of some materials into manure is called ‘composting’.

Q14. What is a landfill?

Ans. Landfill is an area where the garbage collected from a city or town is dumped. The area is later converted into a park.

Q15. Why banana leaf platter is a better option than plastic plate?

Ans. Banana leaf platter is a better option than plastic plate because it is cost effective and eco-friendly.

Q16. What kind of waste materials rots completely when buried in the soil?

Ans. Waste materials such as kitchen, plants and animals waste rots completely when buried in the soil.

Q17. What kitchen waste mainly consists of?

Ans. Kitchen waste mainly consists of fruits and vegetable peels, egg shells, waste food and tea leaves.

Q18. Where garbage collected by safai karamchari is dumped?

Ans. Garbage collected by safai karamchari is taken to a low lying open area, called a landfill.

Q19. Which items should not be included for making compost?

Ans. Pieces of cloth, polythene bags, broken glass, aluminium wrappers, nails, old shoes, broken toys etc.

Q20. Make a list of garbage which cannot be converted into compost by the red worms?

Ans. Plastic bags, tins, bottles, glass, aluminum foils, broken bangles, steel etc. could not be converted into compost by the redworms.

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FAQs on Worksheet Solutions: Garbage In, Garbage Out - Basic Science for Primary 5

1. What is the meaning of "Garbage In, Garbage Out"?
Ans. "Garbage In, Garbage Out" is a popular phrase in computer science that highlights the importance of input quality in determining the output quality. It means that if you provide incorrect or low-quality data as input to a system or program, the output or results will also be incorrect or low-quality.
2. How does the concept of "Garbage In, Garbage Out" apply to data analysis?
Ans. In data analysis, the concept of "Garbage In, Garbage Out" emphasizes the significance of accurate and reliable data for obtaining meaningful insights. If the input data used for analysis is flawed or incomplete, the resulting analysis and conclusions will likewise be unreliable and misleading.
3. What are the potential consequences of not following the principle of "Garbage In, Garbage Out"?
Ans. Not following the principle of "Garbage In, Garbage Out" can lead to severe consequences. It can result in incorrect decisions, flawed predictions, wasted resources, and damage to the reputation of individuals or organizations relying on the output. It is crucial to ensure data accuracy and quality to avoid these negative outcomes.
4. How can one ensure the principle of "Garbage In, Garbage Out" is upheld in data entry processes?
Ans. To uphold the principle of "Garbage In, Garbage Out" in data entry processes, it is essential to implement rigorous quality control measures. This includes double-checking data for accuracy, conducting regular audits, training data entry operators, using validation rules and data cleansing techniques, and utilizing automated systems for error detection and prevention.
5. What strategies can be employed to improve data quality and adhere to the principle of "Garbage In, Garbage Out"?
Ans. To improve data quality and adhere to the principle of "Garbage In, Garbage Out," organizations can adopt various strategies. These include establishing data governance policies, conducting data profiling to identify inconsistencies, implementing data validation rules, performing regular data cleansing and deduplication, investing in data quality tools, and fostering a culture of data accuracy and accountability.
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