Microplastics and Their Environmental Chemistry
Chemistry ⇒ Environmental Chemistry
Microplastics and Their Environmental Chemistry starts at 11 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Microplastics and Their Environmental Chemistry.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
Describe how microplastics can affect soil ecosystems.
Describe how microplastics can impact human health through the food chain.
Describe one method used to separate microplastics from sediment samples in the laboratory.
Describe one way in which microplastics can enter freshwater systems.
Describe the role of UV radiation in the degradation of plastics into microplastics.
Describe two chemical properties of microplastics that make them persistent in the environment.
Explain how microplastics can act as vectors for toxic chemicals in aquatic environments.
Explain how microplastics can affect the health of marine organisms.
Which of the following is a challenge in studying the environmental fate of microplastics? (1) Their uniform size (2) Their chemical simplicity (3) Their diverse sources and compositions (4) Their rapid degradation
Which of the following is a common additive in plastics that can leach from microplastics and act as an endocrine disruptor? (1) Bisphenol A (2) Sodium chloride (3) Calcium carbonate (4) Sucrose
Which of the following is a limitation of current microplastic detection methods? (1) Inability to detect particles smaller than a certain size (2) High cost (3) Time-consuming procedures (4) All of the above
Which of the following is a major pathway for microplastics to enter the atmosphere? (1) Volcanic eruptions (2) Wind erosion of plastic waste (3) Photosynthesis (4) Radioactive decay
Fill in the blank: Microplastics are defined as plastic particles smaller than ______ mm in size.
Fill in the blank: Microplastics can be ingested by zooplankton, which are at the ______ of the aquatic food chain.
Fill in the blank: The chemical structure of most microplastics is based on long chains of ______.
Fill in the blank: The most common synthetic fiber contributing to microplastic pollution from laundry is ______.
True or False: All microplastics are visible to the naked eye.
True or False: Microplastics are only found in marine environments.
True or False: Microplastics can be found in Arctic and Antarctic regions.
True or False: Microplastics can be found in drinking water.
