Q.1
How much plastic waste did the National Environment Agency collect from rivers and canals cleaned by the NEA Department of Public Cleanliness last year?

Q.2
According to statistics from the Consumers Association of Singapore, which industry has remained the top source of complaints for the fourth year in a row?

Q.3
Finland, France, Mexico and, most recently, Britain have all introduced levies on which of the following?

Q.4
According to a recent report, more than 25 per cent of the ultra-rich of which country are seeking permanent residence overseas, making their emigration rate the second highest after China?

Q.5
Around how many per cent of the Singaporeans and permanent residents recently surveyed by the National Arts Council had not read a literary book between March 2014 and March 2015?

Q.6
Which retail chain in Singapore started piloting an opaque cigarette dispensing machine at one of its outlets last month, in preparation for the tobacco display ban that starts next year?

Q.7
What crop is grown on farms in Chiang Mai, Thailand, where open burning has increased in tandem with the demand for animal feed, resulting in smog from February to April every year?

Q.8
Which prize was recently awarded to Palestinian teacher Hanan Al Hroub, who specialises in educating and supporting refugee children in Al-Bireh, Palestine?

Q.9
Singapore national para-equestrian rider _______ collected a gold and two silvers at Quadrille, the second major European international para-equestrian dressage event of the year, in April.

Q.10
What is the name of the drug that was added to the World Anti-doping Agency's list of banned substances on Jan 1, and is the reason for the suspension of Maria Sharapova and many others?