1. The United Kingdom of Great Britain and Northern Ireland is situated on four large islands. Неверно (на двух больших островах).
2. The largest island is Great Britain. Верно.
3. Great Britain consists of three parts: England, Germany, Wales. Неверно (Германия не является частью Великобритании).
4. The smaller island is Ireland and there are about seven million small islands. Неверно (в тексте указано "около пяти тысяч мелких островов", а не "семь миллионов").
5. The country's shores are washed by the Indian Ocean, the Black Sea and the Irish Sea. Неверно (Атлантический океан, Северное море и Ирландское море).
6. The population of Great Britain is 46 million. Неверно (56 миллионов).
7. It is not the most populated countries in the world. Верно (указано "одна из самых населенных").
8. The greater part of the population is urban. Верно.
9. The inhabitants of the United Kingdom and Northern Ireland are called English. Верно.
10. There are not many mountains in Scotland, there are many rivers. Неверно (в тексте говорится, что гор в Шотландии много, но они не очень высокие).