European Turkey is separated from its Asian part by which of the following water bodies and narrow straits?

Introduction / Context:
Physical and political geography often meet in questions about boundaries between continents. Turkey is a classic transcontinental country, with land in both Europe and Asia. The division between its European and Asian parts is formed not by land borders but by narrow straits and a small inland sea. This question tests whether you know which specific water bodies together form this separation.

Given Data / Assumptions:

• The focus is on the boundary between European Turkey and Asian Turkey.
• The options mention the Straits of Bosporus, Sea of Marmara, and Straits of Dardanelles separately, and then all of the above.
• We assume typical school atlas representation of this area showing all three features.

Concept / Approach:
The European and Asian parts of Turkey are separated by a chain of narrow water bodies connecting the Black Sea to the Aegean Sea. Starting from the north, the Bosporus Strait connects the Black Sea to the Sea of Marmara. From the south, the Dardanelles Strait links the Sea of Marmara to the Aegean Sea. Over this entire length, the land on one side is counted as Europe and on the other side as Asia. So all three names together describe the complete water boundary between the two continental parts of Turkey.

Step-by-Step Solution:
Step 1: Visualise the map of Turkey, with Istanbul located on both sides of the Bosporus Strait.Step 2: Note that the Bosporus is the northern strait connecting the Black Sea to the Sea of Marmara and also separating European and Asian shores.Step 3: Observe that the Sea of Marmara lies between the Bosporus and the Dardanelles, forming a central water body in this system.Step 4: Recognise that the Dardanelles is the southern strait connecting the Sea of Marmara to the Aegean Sea, again separating European land on one side from Asian land on the other.Step 5: Conclude that the complete separation is formed by all three features working together, so the correct option must be all of the above.

Verification / Alternative check:
Any political or physical map of Turkey that focuses on straits and seas will show this chain: Black Sea, Bosporus, Sea of Marmara, Dardanelles, and Aegean Sea. Geography texts discussing the boundary between Europe and Asia emphasise that this line runs along the Bosporus, traverses the Sea of Marmara, and continues through the Dardanelles. Seeing the full sequence confirms that each of the individually listed features contributes to the division, justifying the answer all of the above.

Why Other Options Are Wrong:
Straits of Bosporus: Important part of the boundary but not the only water body that separates European and Asian Turkey.Sea of Marmara: Central inland sea in the chain, but alone it does not describe the full separation from Black Sea to Aegean Sea.Straits of Dardanelles: Southern connecting strait forming part of the boundary, but again it is only one section of the full system.

Common Pitfalls:
Some candidates pick only the Bosporus because it is the best known, especially from references to Istanbul. Others may remember only the Dardanelles due to its role in history. However, the exam expects understanding of the whole physical system, which includes both straits and the inland Sea of Marmara. To avoid mistakes, always visualise the entire chain of water bodies between the Black Sea and the Aegean Sea when answering questions about the Europe Asia boundary in Turkey.

Final Answer:
European Turkey is separated from its Asian part by the Straits of Bosporus, the Sea of Marmara and the Straits of Dardanelles, that is, by all of the above.