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Question

Four parts of the human body are listed, out of which three are alike in some manner and one is different. Select the odd one.

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
Tongue

Identifying the Odd Body Part

The question asks to identify the body part that differs from the others based on some common characteristic. The parts listed are Throat, Nose, Mouth, and Tongue.

Analyzing Body Part Functions

  • Nose: Primarily functions as the main passage for breathing and the sense of smell.
  • Mouth: Functions in ingestion (eating), speech, and as an alternative passage for breathing.
  • Throat (Pharynx): Serves as a common passageway for both food (from mouth to esophagus) and air (from nose/mouth to larynx).
  • Tongue: A muscular organ located *inside* the mouth, crucial for tasting, swallowing, and speech articulation. It is not a primary passage for air or food itself.

Reasoning for Difference

The Nose, Mouth, and Throat are all distinct anatomical passages or openings involved directly in the intake of air and/or food.

The Tongue, however, is an accessory organ situated *within* the Mouth. While vital for functions related to these passages (like manipulating food for swallowing or forming sounds for speech), it doesn't serve as a primary pathway itself. Its main roles relate to taste and movement within the oral cavity.

Therefore, the Tongue is the odd one out because it is an internal organ, unlike the other three which are primarily external openings or passages.

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Similar Questions

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    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
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Important Questions from Classification

  1. Directions for the following 3 (three) items : consider the given information and answer the three items that follow. 

    A, B, C, D, E, F and G are Lecturers from different cities—Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics and Statistics (not necessarily in the same order). 

    Further 1. Lecturer from Kanpur is specialized in Geography 

    2. Lecturer D is from Shillong 

    3. Lecturer C from Delhi is specialized in Sociology 

    4. Lecturer B is specialized in neither History nor Mathematics 

    5. Lecturer A who is specialized in Economics does not belong to Hyderabad 

    6. Lecturer F who is specialized in Commerce belongs to Srinagar 

    7. Lecturer G who is specialized in Statistics belongs to Chennai 

    Who is specialized in Geography?

  2. A, B, C, D, E, F and G are Lecturers from different cities—Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics and Statistics (not necessarily in the same order). 

    Further 1. Lecturer from Kanpur is specialized in Geography 

    2. Lecturer D is from Shillong 

    3. Lecturer C from Delhi is specialized in Sociology 

    4. Lecturer B is specialized in neither History nor Mathematics 

    5. Lecturer A who is specialized in Economics does not belong to Hyderabad 

    6. Lecturer F who is specialized in Commerce belongs to Srinagar 

    7. Lecturer G who is specialized in Statistics belongs to Chennai 

    To which city does the Lecturer specialized in Economics belong?

  3. A, B, C, D, E, F and G are Lecturers from different cities—Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics and Statistics (not necessarily in the same order). 

    Further 1. Lecturer from Kanpur is specialized in Geography 

    2. Lecturer D is from Shillong 

    3. Lecturer C from Delhi is specialized in Sociology 

    4. Lecturer B is specialized in neither History nor Mathematics 

    5. Lecturer A who is specialized in Economics does not belong to Hyderabad 

    6. Lecturer F who is specialized in Commerce belongs to Srinagar 

    7. Lecturer G who is specialized in Statistics belongs to Chennai 

    Who of the following belongs to Hyderabad?

  4. In a school, there are five teachers A, B, C, D and E. A and B teach Hindi and English. C and B teach English and Geography. D and A teach Mathematics and Hindi. E and B teach History and French. Who teaches maximum numb, of subjects?

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