To identify the type of knot in the provided image, we will examine the characteristics of each option and match them to the visible features of the knot in question.
1. Granny Knot: A granny knot is often considered a mistake of a reef knot. It tends to twist sideways under tension and easily slips because of its asymmetric arrangement.
2. Surgeon's Knot: This knot includes an extra twist when making the first throw, which adds friction and security while tying under tension, making it thicker but more stable.
3. Reef Knot: The reef knot, or square knot, is symmetric and lies flat without slipping, often used for binding two ropes of similar thickness.
4. None: If none of the above descriptions matches, this option is considered.
Upon examining the image, the knot displays asymmetry and appears twisted. It is most likely to twist under tension based on the characteristics described, which are typical for a Granny Knot.
Hence, the type of knot in the image is identified as a Granny Knot.