Here's the matching of the words with their explanations:
- a - 1 (lower house - the State Duma)
- b - 4 (the head of state - the President)
- c - 5 (the Parliament of the Russian Federation - the Federal Assembly)
- d - 3 (a written proposal for a new law - a bill)
- e - 6 (the standard unit of money in Russia - the rouble)
- f - 9 (a set of pictures painted on a shield - coat of arms)
- g - 8 (the chairman of the Government - the Prime Minister)
- h - 2 (the main political party - United Russia)
- i - 10 (the official song of a nation - the national anthem)
- j - 7 (the Upper House - the Federation Council)