Question
Match the numbered parts of the vocal tract (in the diagram given below) with the correct label from those given in the box and choose the appropriate option. LABELS a. Labial cavity 
b. Pharyngeal cavity
c. Alveolar ridge
d. Laryngeal cavity
The correct answer is
1-b; 2-d; 3-c; 4-a
Identification of Vocal Tract Parts
Based on the anatomical positions illustrated in the provided diagram, the numbered parts of the vocal tract can be identified as follows:
- 1. Pharyngeal Cavity: This is the vertical section of the vocal tract located behind the oral cavity and above the larynx. It serves as a common passageway for both air and food.
- 2. Laryngeal Cavity: Located at the base of the vocal tract, this area contains the larynx (voice box) and the vocal folds, which are essential for sound production.
- 3. Alveolar Ridge: This is the small, bony protrusion located on the roof of the mouth, situated immediately behind the upper front teeth. It is a critical articulation point for many speech sounds.
- 4. Labial Cavity: This refers to the space associated with the lips at the very front of the oral tract, which helps in forming "labial" sounds.
Summarized Solution
By matching the numbered positions in the image with the provided labels, we get the following pairs:
| Number | Label | Part Name |
|---|---|---|
| \( 1 \) | \( b \) | Pharyngeal cavity |
| \( 2 \) | \( d \) | Laryngeal cavity |
| \( 3 \) | \( c \) | Alveolar ridge |
| \( 4 \) | \( a \) | Labial cavity |
Therefore, the appropriate mapping is: \( 1-b, 2-d, 3-c, 4-a \).
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Important Questions from Biological Basis of Behaviour Sensory Systems
- In the Darwinian sense, ________ refers to the ability of an organism to survive and produce a large number of fertile offspring.
- Comparing the thoughts of Heraclitus and Parmenides, we can say that:
- In his Yogasūtra, Patañjali mentions five kinds of afflictions (kleśas). Which one of the following is NOT among the five afflictions?
- Devanagari organizes the consonant graphemes as shown in the image. What is the parameter by which the following two rows differ?
क ख ग घ ङ /k/ /kʰ/ /g/ /gʰ/ /ŋ/ प फ ब भ म /p/ /pʰ/ /b/ /bʰ/ /m/ - Which of the following sound pairs differ from each other in exactly two articulatory parameters?
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