Which of the following are the characteristics of Endomorph body type?

(A) Narrow Hips
(B) Round, Fat and Thick
(C) Pear-Shaped
(D) Thin
(E) Under-developed muscles

The correct option is (B), (C), and (E).

William Sheldon's system of somatotypes classifies human physiques into three distinct body types: Endomorph, Mesomorph, and Ectomorph. Each type exhibits unique physical characteristics:
1. Endomorph: Characterized by a high percentage of body fat, a round or pear-shaped appearance, thicker bones, shorter limbs, and under-developed or soft muscles.
2. Mesomorph: Characterized by a well-developed muscular physique, broad shoulders, narrow hips, and athletic build.
3. Ectomorph: Characterized by a lean, thin, and delicate build, narrow hips, and low body fat.

Let's analyze the given characteristics in the context of the Endomorph body type:
- (A) Narrow Hips: This is a characteristic of ectomorphs or mesomorphs, not endomorphs, who tend to have wider hips.
- (B) Round, Fat and Thick: This is a defining trait of the endomorph body type due to higher fat storage and a rounder build.
- (C) Pear-Shaped: Endomorphs typically display a pear-shaped body structure with weight concentrated in the lower half.
- (D) Thin: This is a key trait of ectomorphs, directly contradicting the endomorphic structure.
- (E) Under-developed muscles: Endomorphs tend to have softer, less defined, and under-developed musculature compared to mesomorphs.

Combining the correct traits of the Endomorph body type, we get (B), (C), and (E). Therefore, the option listing these three characteristics is the correct choice.