Tag: structure and functions of living organisms -ii

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Questions Related to structure and functions of living organisms -ii

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.

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 teeth of human are shovel-shaped and used for nibbling, cutting and tearing

  1. Canines

  2. Premolars

  3. Molars

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

Incisors are the front teeth shaped for cutting and nibbling. Canines are pointed for tearing, 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

Primary dentition in humans differs from permanent dentition in not having one of the following teeth

  1. Canines

  2. Pre-molars

  3. Molars

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

Primary (deciduous) dentition lacks premolars. The permanent set includes premolars, which replace the primary molars.