Question

A snake belongs to the class
A. Amphibia
B. Reptilia
C. Mammalia
D. Annelida

Answer 1

Hint: The class Reptilia is the group of animals known as the reptiles.

Complete answer: These are a diverse group of animals that are “cold-blooded” and have (or had) scales.
1. They are vertebrates, which puts them in the same phylum as humans, dogs, cats, fish, and many other animals. There are over 6,000 species of reptiles.
2. The class Reptilia, or reptiles, traditionally included a diverse group of animals: turtles, snakes, lizards and crocodiles, alligators, and caimans.
3. Teeth are acrodont and thecodont pleurodont type. The tongue is protrusible.
4. Whole-body is covered by a firm bony shell. The exoskeleton of the dorsal region of the body is called the carapace and the skeleton of the ventral region of the body is called the plastron.
5. Jaws are horny and toothless, beak-like jaws are found. The sternum is absent.
6. This order includes both alive and extinct, both the animals.
7. They are terrestrial, marine, and freshwater animals.
8. Bony plates present on the body are called osteoderms.
9. Nails are found on digits. The web or membrane is found in the digits for swimming.
Scales are found on the neck, limbs, and tail.
10. The largest number of species of reptiles is found in this order in the modern era.
All the lizards & snakes are included in this order.

Therefore, the correct answer is B

Note: Dry scaly waterproof skin, digits of all the four limbs armed with claws, well-developed lungs for air-breathing, incompletely 4- chambered heart in most cases, males with copulatory organs, eggs amniotic and laid on land, fertilization internal, no larval stage.