Study of bones of fore limb of ox and differences in horse, dog, pig and fowl

Multiple Choice Questions (MCQs)

1. What is the primary weight-bearing bone of the forelimb in the ox?
   • A) Ulna
   • B) Humerus
   • C) Radius
   • D) Scapula
     Answer: C) Radius
2. Which animal has a single functional metacarpal bone known as the cannon bone?
   • A) Ox
   • B) Horse
   • C) Dog
   • D) Pig
     Answer: B) Horse
3. In which species is the ulna significantly reduced and fused with the radius?
   • A) Dog
   • B) Horse
   • C) Ox
   • D) Pig
     Answer: B) Horse
4. How many digits does a fowl have in its forelimb?
   • A) Two
   • B) Three
   • C) Four
   • D) Five
     Answer: B) Three
5. Which bone in the ox’s forelimb articulates with the scapula?
   • A) Radius
   • B) Ulna
   • C) Humerus
   • D) Metacarpal
     Answer: C) Humerus
6. What is the primary function of the splint bones in the ox?
   • A) Weight-bearing
   • B) Flexibility
   • C) Muscle attachment
   • D) Support for the cannon bone
     Answer: D) Support for the cannon bone
7. Which animal has five metacarpal bones corresponding to its digits?
   • A) Ox
   • B) Horse
   • C) Dog
   • D) Pig
     Answer: C) Dog
8. What is the primary adaptation of the horse’s forelimb for locomotion?
   • A) Flexibility
   • B) Speed and agility
   • C) Strength for heavy lifting
   • D) Grasping ability
     Answer: B) Speed and agility
9. Which animal has two functional digits with three phalanges each?
   • A) Ox
   • B) Horse
   • C) Dog
   • D) Pig
     Answer: A) Ox
10. The scapula of the pig is most similar to that of which animal?
    • A) Horse
    • B) Dog
    • C) Ox
    • D) Fowl
      Answer: C) Ox

True/False Questions

1. The ox has a single digit in its forelimb.
   Answer: False
2. The horse’s ulna is fully developed and separate from the radius.
   Answer: False
3. Fowl have a more flattened scapula compared to mammals.
   Answer: True
4. The metacarpal bones in the ox are fused to form the cannon bone.
   Answer: True
5. Dogs have a total of five functional digits in their forelimb.
   Answer: True
6. The humerus in the ox is adapted for speed and agility.
   Answer: False
7. Pigs have two primary metacarpal bones and two accessory digits.
   Answer: True
8. The radius is the primary weight-bearing bone in the forelimb of the ox.
   Answer: True
9. The horse has a greater range of motion in its forelimb compared to the ox.
   Answer: True
10. All species mentioned have the same number of carpal bones.
    Answer: False

Fill in the Blanks

1. The primary weight-bearing bone in the forelimb of the ox is the __________.
   Answer: radius
2. The __________ bone in the horse’s forelimb is known as the cannon bone.
   Answer: metacarpal III
3. The ox has two functional digits, which are the __________ and __________.
   Answer: third; fourth
4. The __________ is the bone that connects the forelimb to the trunk in all species.
   Answer: scapula
5. Fowl have __________ digits in their forelimb.
   Answer: three
6. The ulna is significantly __________ in the horse compared to the ox.
   Answer: reduced
7. The __________ bones in the ox provide support for the cannon bone.
   Answer: splint
8. The dog has __________ metacarpal bones corresponding to its digits.
   Answer: five
9. The __________ of the pig is more rounded compared to the ox.
   Answer: scapula
10. The horse’s forelimb is adapted for __________ and __________.
    Answer: speed; agility