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Biology (Animal Dentition) Test

Description: each question has four options and one of them is correct. This test is for XII, MBBS ENTRANCE TEST, M.Sc. Entance, KAS/IAS prelims.
Number of Questions: 25
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Tags: BIOLOGY Alimentary Canal Alimentary Canal Anatomy Physiology of Animal and Man Human Physiology Kingdom- Animalia Animal Kingdom Phylum-Chordata Phylum Chordata Animal Tissue
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Which of the following animals lack enamel?

  1. Rats

  2. Elephants

  3. Armadillos

  4. Birds


Correct Option: C

Which of the following is not a correct statement?

  1. Crocodiles have thecodont teeth

  2. Fangs of snakes are poison teeth

  3. Human teeth have open pulp cavity

  4. Birds lack dentition and enamel


Correct Option: C

Which of the following animals shows homodont dentition?

  1. Human

  2. Whale

  3. Crocodile

  4. Bear


Correct Option: B

Vomerine teeth are found in:

  1. frogs

  2. birds

  3. man

  4. cow


Correct Option: A
Explanation:

 Vomerine teeth are found in frogs. They are located between the internal nares. These teeth help frogs to capture their prey and prevent their escape.

Dental formula of deciduous dentition is:

  1. i 2/2, c1/1 , pm 2/2 m 0/0

  2. i 2/2, c 1/1, pm2/2, m 3/3

  3. i 1/1, c 2/2, pm 2/2, m 3/3

  4. i 1/1, c 0/0, pm 2/2, m 3/3


Correct Option: A

Diastema is a gap between:

  1. incisors and canine

  2. incisors and premolars

  3. two incisors

  4. all of the above


Correct Option: D

Tusks are modified incisors in:

  1. elephant

  2. walrus

  3. both 1 and 2

  4. none of these


Correct Option: C

Forty four teeth are present in the adult of:

  1. pig and horse

  2. pig and cow

  3. pig and rat

  4. dog and cat


Correct Option: A

The hardest substance of human body is

  1. enamel of incisors

  2. enamel of canines

  3. enamel of premolars

  4. all of the above


Correct Option: D

Fangs are hollow and tubular in

  1. all snakes

  2. viper only

  3. cobra only

  4. none of these


Correct Option: B

Enamel is ___________ in origin.

  1. ectodermal

  2. ecto-mesodermal

  3. ecto-endodermal

  4. mesodermal


Correct Option: A

Homodont condition is found in

  1. frog

  2. toothed whale

  3. all whales

  4. both 1 and 2


Correct Option: D

The teeth forming cells are:

  1. odontoblast cells

  2. odontoclast cells

  3. chondroblast cells

  4. all of these


Correct Option: A

Which of the following animals is/are toothless?

  1. Bird

  2. Whale

  3. Scaly anteater

  4. All of these


Correct Option: A

Monophyodont condition is present in:

  1. Platypus

  2. toothed whale

  3. both of these

  4. none of these


Correct Option: C

Which of the following conditions occur(s) in Archaeopteryx?

  1. Thecodont only

  2. Acrodont only

  3. Both acrodont and thecodont

  4. Neither of these conditions


Correct Option: A

Human dentition has ______________ characteristics.

  1. acrodont and diphyodont

  2. homodont and thecodont

  3. thecodont and diphyodont

  4. polyphyodont and thecodont


Correct Option: C

Sharpey's fibers are found between:

  1. enamel and dentine

  2. jaw bone and teeth

  3. odontoblast layer and pulp cavity

  4. none of the above


Correct Option: C

What type of teeth do human beings have?

  1. Bunodont

  2. Lophodont

  3. Selenodont

  4. Epidermal


Correct Option: A

Roots are three in number in case of:

  1. lower molars

  2. upper molars

  3. lower premolars

  4. upper premolars


Correct Option: B

Pyorrhea is a condition of:

  1. infected gums

  2. infected vagina

  3. infected lungs

  4. infected breast


Correct Option: A

Carnassial teeth are found in:

  1. herbivores

  2. carnivores

  3. omnivores

  4. detrivores


Correct Option: B

Epidermal teeth are present in:

  1. cyclostomes

  2. anurans

  3. reptiles

  4. all of these


Correct Option: D

Maximum number of teeth found in animals is:

  1. 252

  2. 344

  3. 198

  4. 90


Correct Option: A

Study of teeth is called:

  1. odontology

  2. dentistry

  3. dentinology

  4. none of these


Correct Option: A
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