Question

Horn of Rhino is
A. Keratinized bundle of hair
B. Bony
C. Cartilaginous
D. Partly bony and partially cartilaginous

Answer 1

Hint: The term rhino refers to an animal rhinoceros. It is one of the extant species. Rhinoceros are giant horn bearing animals. Rhinoceros are killed for the purpose of horns by some poachers.

Complete answer:
Rhinoceros are commonly called rhino. They are one of the giant land-living animals. Rhinoceros are horn bearing animals. They possess one or two horns which are situated on the upper surface of the snout. These horns present in rhinoceros are not true horns. The horns are composed of keratin. Keratin is a fibrous protein that is found in the hair. Therefore, the horn of a rhino is made up of a keratinized bundle of hair.

Therefore, option (A) is the correct option.

Additional information:
Rhinoceros belong to one of the largest remaining megafaunas. All the species of rhinoceros reach or exceed up to 1 ton in weight. The different types of rhinoceros which are found in nature are white rhinoceros, black rhinoceros, Indian rhinoceros, Javan rhinoceros, and Sumatran rhinoceros. The feature that makes the black rhinoceros different from the white rhinoceros is the shape of their mouths. The shape of the mouth of white rhinoceros is broad flat lips that are used for gazing. For the purpose of eating foliage, black rhinoceros have long pointed lips.

Note: Other than humans, adult rhinoceros do not have real predators in the wild. However young rhinoceros can fall prey to some animals such as big cats, African wild dogs, hyenas, and crocodiles. Humans kill rhinoceros for the purpose of their horns. The horn of rhinoceros is used in traditional medicine in some parts of Asia.