Biology MCQs

Notes:
In Cryptobranchidae gills are hidden. Hellbenders belong to the Cryptobranchidae family. They contain the largest living salamanders.

Notes:
The long hollow bones and connected air sacs are the characteristic features of Aves. Aves are warm-blooded animals and have four-chambered hearts.

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Eagles, hawks, and falcons belong to the Falconiformes order, and they have short beaks, strong legs, hooked claws, sharp nails, and eyesight.

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Rabbits belong to the class Mammalia. Oryctolagus cuniculus is a scientific name for rabbits.

Notes:
Alpaca, Llama, and yak animals are used in the production of fabric. The yak is an animal that is largely found in the Himalayas in India and Tibet, Llamas are animals typically found in South America and Alpacas are small camel-like animals found largely in South America.

Notes:
Pacinian corpuscles are rapidly adapting receptors that detect gross pressure changes and vibrations in the skin.

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The rhombencephalon consists of two parts:
1. anterior metencephalon – which later forms the pons and cerebellum
2. posterior myelencephalon – which later gives rise to the medulla oblongata.

Notes:
There are three types of hearing loss: conductive, sensorineural, or a combination of both.
Conductive hearing loss is caused by a buildup of wax in the outer ear or middle ear, scarring of the eardrum after repeated middle ear infections, or destruction of the small bones in the ear.

Notes:
A ligament is a small band of dense, white, fibrous elastic tissue.

Notes:
The liver makes a digestive juice called bile that helps digest fats and certain vitamins.