WorksheetsScience Try Out Test #ICTUSD2021
Total questions: 20
Worksheet time: 10mins
Collect all the information that leads and close to problem solving included in the steps - steps of scientific methods…
formulate a problem
form a theoretical framework
formulate a hypothesis
conduct an experiment
process and analyze data
Which is a natural factor causing disasters are:
1) earth plate shifts cause tectonic earthquakes
2) seabed earthquakes cause tsunamis
3) deforestation for residential land causes forest fires
4) wild logging causes floods
5) volcanic eruptions cause volcanic earthquakes
1) 2) 3) 5)
1) 2) 5)
1) 3) 4)
2) 3) 4) 5)
2) 3) 5)
Examples of symptoms of biotic nature are…
Water freezes in winter
The soil layer is black
Magma erupting mountains that begin to freeze
Sprouts will grow if given water
Weathering of rocks in the desert
A total lunar eclipse can occur if….
The moon is between the sun and the earth
Part of the moon enters the umbra of the earth
The whole part of the moon is in the penumbra region of the earth
Part of the moon enters the penumbra of the earth
The umbra of the earth about the moon in other words the whole part of the moon goes into the umbra of the earth
From these food nets, level IV consumers are occupied by ..
Eagles
Rats
Snakes
Seed eating birds
Grasshoppers
Interactions between living beings that show the symbiosis of commensalism is….
Tapeworms that live in the human intestine
Parameters that live on large trees
Orchids that cling to trees
Starlings that perch on the back of buffaloes.
Worms with grasshoppers that live in fields
The role of decomposer for soil fertility is ...
decomposes organic matter into N in organic compounds
binds N2 and converts it to N in inorganic compounds
decomposes complex organic matter into simple inorganic
binds N2 into inorganic matter
binds N2 from soil and air
Below are ecosystem conditions based on their impact at the regional level namely…
The interdependence between biotic and abiotic components is seen in events…
Increasing CO2 levels due to industrial activities
Interaction between panili trees and wind
Weathering of rocks by rainwater
Competition of cows and buffaloes in obtaining food
Competition of lions with tigers in obtaining mangoes
Forests that are cut down or cleared to leave a small forest area is one example of the impact of ecosystem exploitation, namely…
Fragmentation habitat
disruption of energy flow in ecosystems
introduction of foreign species
Resistance of some detrimental species
Lack of renewable natural resources
Note the statements below :
1) use mining materials as much as possible
2) use non-environmentally friendly technology
3) management and development of biodiversity
4) rehabilitation and reclamation of critical land
Actions that show the occurrence of sustainable development are indicated number…
1 2
1 3
2 3
2 4
3 4
Here are various sources of pollution.
1. Forest fires
2. Swamp fires
3. Power plants
4. Volcanic activity
5. Transportation
6. Industry
7. Burning on stoves
8. Methane gas piles
Based on the above data, which includes the source of pollution natural air pollutant sources are….
1 2 4
1 2 7
2 4 8
3 5 6
3 5 8
Below which are biological pollutants are…
Inorganic fertilizers
Pesticides
Detergents
E. Coli
Oil
Used cans, plastic bottles, rubber and glass are recyclable pollutants including… pollutants.
Chemical
Physical
Microorganisms
Biology
Biochemistry
Symptoms of poisoning such as nausea, dizziness, to fainting. If left untreated, there can be brain damage and death caused by gas ....
CO
O2
NO2
SO2
CFC
The disease that often arises as a result of flood disasters is….
Hypertension
Diabetes
Diarrhea
Anemia
ARI
Paper that is no longer used can be recycled, the principle of waste treatment is called….
recycle
repair
replace
reduce
reuse
Living things that can help the composting process are….
Moss
Algae
Snails
Earthworms
Caterpillars
The first step to be done in recycling paper is…
Site selection
Weather observation
Selection of paper waste
Recycling planning
Disposal of waste
Below are the steps of the scientific method.
1. Draw conclusions
2. Publish results
3. Formulate hypotheses
4. Formulate problems
5. Conduct experiments
6. Data analysis
The sequence of steps of the correct scientific method is…
1-2-3-4-5-6
1-3 -2-4-6-5
4-2-3-5-6-1
4-3-5-6-1-2
4-3-5-6-2-1
