First Periodical Test in Science 5
Quiz by Marychelle
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- Q1
Which of the following choices is the best definition for a cleaning agent?
These are hard-surfacecleaners used to remove dirt, including dust, stains, and bad smells onsurfaces
30s - Q2
One Sunday morning, Jenny was about to take a bath when she noticed that her things were disorganized. What should she do?
Group all the materials tomake them organized according to their uses for easy access and saves timelooking for things
30s - Q3
In planting, we usechemical fertilizer to increase harvest. What is its harmful effect on theenvironment when it is not properly used?
It pollutes air, soil, and water
30s - Q4
One morning, Lolo Nanding went to his farm. He found out that his vegetables were full of aphids. What should he used to kill them?
Application of botanical pesticide like neem oil formulation is used to get rid of aphids.
30s - Q5
Not all materials can cause hazard or damage to people and the environment. Which of these is a good example?
PET bottle
30s - Q6
These materials can be toxic or harmful. What are examples of harmful materials?
The toxic chemicals can cause burns to our eyes and skin.
30s - Q7
Which of the materials given can either be completely discarded or can still be used at home?
The natural decomposition of waste by microbes generates products with high humus content.
30s - Q8
Reagents make food last longer. Which food uses reagents?
hotdog
30s - Q9
Which of the following statements is TRUE?
Biodegradable materials coming from people, plants and animals can be decomposed with the help of certain microorganisms
30s - Q10
Which of the following statements describe a non-biodegradable material?
Non-biodegradable materials cannot be broken down by natural organisms which results in a source of pollution.
30s - Q11
Which property of gold has a useful effect?
It is a precious yellow metal and a good conductor of heat and electricity
30s - Q12
What property of nail has a harmful effect on the environment?
It is a corrosive metal that can be hammered into thin sheets called malleability.
30s - Q13
Why are fruit peelings useful in farming?
Compost eliminates the need for chemical fertilizers which promotes higher yields of agricultural crops.
30s - Q14
In what way are rubber bands useful at home?
It is elastic and it can secure things tightly
30s - Q15
How do materials become harmful to the community?
Improper disposal of materials that are inconsiderate to the environment.
30s