AMKSS 3E Core Geog EOY 2023 Ans Scheme

Name Form Class Index Number GEOGRAPHY 2279 4 Oct 2023 1 hour 45 minutes Candidates answer on the Question Paper. Additional Material(s): Insert ANSWER SCHEME ANG MO KIO SECONDARY SCHOOL END-OF-YEAR EXAMINATION 2023 SECONDARY 3 EXPRESS

2 AMKSS 3E EOY Exam 2279/1/2023 1. Cluster 1: Geography in Everyday Life (a) Fig. 1 (Insert) shows water harvesting being carried out at a HDB block. Using Fig. 1, suggest how water harvesting is done in the HDB block and explain its importance to environmental sustainability. Award 1 mark for suggesting how each step works, to a maximum of 3 marks. Award 1 mark for explaining the link between the water harvesting and environmental sustainability. Award additional mark for further development on the environmental sustainability Possible responses include: 1. Stormwater is collected in an underground harvesting tank via runoff from the drain. 2. Collected water will be pumped to the treatment room and public drain. 3. Collected stormwater is discharged at a slower rate into the public rain, to reduce flood risk. 4. Water will be treated before it is recycled for non-potable uses such as the washing of common areas and watering of plants decks of housing blocks. ( max. 3 marks) Outcomes and links to environmental sustainability: Overall, water consumption consumption is reduced. This will lead to more resources for future generation (max. 2 marks) [4] (b) Describe the ecosystem services that can be provided in an urban neighbourhood. Award 1 mark for each description of an ecosystem service to a maximum of 4 marks Award a maximum of 1 additional mark for further development of each description, where applicable. Possible responses include: • Supporting services with variety of plants that are habitats for insect pollinators like bees. • Regulating service by slowing down storm water run off. • Trees around a lake in the park will help to maintain good air quality. • Cultural service: Grassy banks or areas of open spaces can allow for the local community to carry out recreational activities like running. • Recreational experience enhanced by aesthetics of the lake, or river around the area like in Bishan Park. [4] (c) (i) Fig. 2 (Insert) shows the statistics of drink driving in Singapore. Describe the changes in the number of accidents from 2018 to 2022. Award 1 mark for each description of the changes with evidence. Possible responses include:

3 AMKSS 3E EOY Exam 2279/1/2023 [Turn Over • There is an overall decrease from 2018 to 2022 from 178