Tag: circulatory system and organs

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Multiple choice evs structure and functions of living organisms -ii experiments on digestive enzymes role of receptors in the mouth types of teeth introduction to human digestive system circulatory system and organs

Wisdom teeth in human is

  1. $3^{rd}$molar and 4 in number
  2. $3^{rd}$ molar and 2 in number
  3. $2^{nd}$molar and 4 in number
  4. $2^{nd}$ molar and 2 in number
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In humans, there are 32 teeth present in which four different types of teeth are present and is known as heterodont dentition. In these four types canines,

incisors, premolar and two molars are present are the permanent teeth but and are 28 in number but the third molar appears late in life and is known as wisdom tooth which is four in number an form 32 teeth.
So the correct option is '$3^{rd}$ molar and 4 in number'.

Multiple choice evs structure and functions of living organisms -ii experiments on digestive enzymes role of receptors in the mouth types of teeth introduction to human digestive system circulatory system and organs

Which one is wisdom teeth

  1. Third molar, four in number

  2. Third molar, two in number

  3. Second molar, four in number

  4. Second molar, two in number
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Wisdom teeth are the third molars, and there are typically four of them in an adult set (one in each quadrant).

Multiple choice evs structure and functions of living organisms -ii experiments on digestive enzymes role of receptors in the mouth types of teeth introduction to human digestive system circulatory system and organs

Similar cone-shaped teeth are

  1. Diphyodont

  2. Acrodont

  3. Homodont

  4. Thecodont

  5. Heterodont
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Homodont teeth are teeth that are all similar in shape and size, commonly found in many reptiles and fish. Heterodont refers to teeth of different shapes, like in humans.

Multiple choice evs structure and functions of living organisms -ii experiments on digestive enzymes role of receptors in the mouth types of teeth introduction to human digestive system circulatory system and organs

Type of teeth present in humans is

  1. Diphyodont and homodont

  2. Monophyodont and thecodont

  3. Monophyodont and homodont

  4. Diphyodont and heterodont
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Humans are diphyodont because they have two sets of teeth (milk and permanent) and heterodont because they have different types of teeth (incisors, canines, premolars, molars).

Multiple choice evs structure and functions of living organisms -ii experiments on digestive enzymes role of receptors in the mouth types of teeth introduction to human digestive system circulatory system and organs

Which are cutting teeth in humans?

  1. Canines

  2. Molars

  3. Premolars

  4. Incisors
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Incisors are the sharp, chisel-shaped front teeth primarily responsible for cutting and biting food. Canines are for tearing, while premolars and molars are for grinding.

Multiple choice evs structure and functions of living organisms -ii experiments on digestive enzymes role of receptors in the mouth types of teeth introduction to human digestive system circulatory system and organs

Diastema is associated with

  1. Organ of Corti

  2. Absence of certain teeth

  3. Retinal cells

  4. Presence of teeth
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A diastema is a gap or space between two teeth. It is commonly observed in animals like herbivores where certain teeth are absent.