Question:
Match List I with List II
List I (Characteristics of Onion):
A. Flavour and pungency
B. Yellow coloured
C. Red coloured
D. White coloured
List II (Chemicals):
I. Anthocyanin
II. High dry matter
III. Allyl propyl disulphide
IV. Quercetin
Choose the correct answer from the options given below:
Match List I with List II
List I (Characteristics of Onion):
A. Flavour and pungency
B. Yellow coloured
C. Red coloured
D. White coloured
List II (Chemicals):
I. Anthocyanin
II. High dry matter
III. Allyl propyl disulphide
IV. Quercetin
Choose the correct answer from the options given below:
List I (Characteristics of Onion):
A. Flavour and pungency
B. Yellow coloured
C. Red coloured
D. White coloured
List II (Chemicals):
I. Anthocyanin
II. High dry matter
III. Allyl propyl disulphide
IV. Quercetin
Choose the correct answer from the options given below:
Show Hint
Onion chemistry summary:
Pungency $\rightarrow$ Allyl propyl disulphide
Red color $\rightarrow$ Anthocyanin
Yellow color $\rightarrow$ Quercetin
White color $\rightarrow$ High dry matter (preferred for dehydration)
Pungency $\rightarrow$ Allyl propyl disulphide
Red color $\rightarrow$ Anthocyanin
Yellow color $\rightarrow$ Quercetin
White color $\rightarrow$ High dry matter (preferred for dehydration)
Updated On: Aug 7, 2026
- A - IV, B - II, C - I, D - III
- A - III, B - IV, C - I, D - II
- A - I, B - III, C - II, D - IV
- A - II, B - I, C - IV, D - III
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Onion (Allium cepa) bulbs contain various organic compounds and pigments that determine their flavor, pungency, color, and suitability for processing.
Step 2: Detailed Explanation:
Let us match the characteristics of onion in List I with the chemical compounds responsible for them in List II:
1. Flavour and pungency (A): The characteristic sharp aroma and pungency of onion is caused by volatile sulfur compounds, primarily Allyl propyl disulphide (and related alkyl thiosulfinates). Thus, A matches with III.
2. Yellow coloured (B): The yellow pigmentation in yellow-skinned onion varieties is due to the presence of the flavonoid pigment Quercetin (specifically quercetin glucosides). Thus, B matches with IV.
3. Red coloured (C): The red color in red onion skins is due to the accumulation of water-soluble pigments called Anthocyanins (cyanidin-based glucosides) in the epidermal cells. Thus, C matches with I.
4. White coloured (D): White-skinned onion varieties lack these pigments. They are characterized by a High dry matter content, making them suitable for dehydration and industrial processing. Thus, D matches with II.
Combining these matches gives: A - III, B - IV, C - I, D - II.
Step 3: Final Answer:
The correct matching sequence is A - III, B - IV, C - I, D - II, which corresponds to Option (B).
Onion (Allium cepa) bulbs contain various organic compounds and pigments that determine their flavor, pungency, color, and suitability for processing.
Step 2: Detailed Explanation:
Let us match the characteristics of onion in List I with the chemical compounds responsible for them in List II:
1. Flavour and pungency (A): The characteristic sharp aroma and pungency of onion is caused by volatile sulfur compounds, primarily Allyl propyl disulphide (and related alkyl thiosulfinates). Thus, A matches with III.
2. Yellow coloured (B): The yellow pigmentation in yellow-skinned onion varieties is due to the presence of the flavonoid pigment Quercetin (specifically quercetin glucosides). Thus, B matches with IV.
3. Red coloured (C): The red color in red onion skins is due to the accumulation of water-soluble pigments called Anthocyanins (cyanidin-based glucosides) in the epidermal cells. Thus, C matches with I.
4. White coloured (D): White-skinned onion varieties lack these pigments. They are characterized by a High dry matter content, making them suitable for dehydration and industrial processing. Thus, D matches with II.
Combining these matches gives: A - III, B - IV, C - I, D - II.
Step 3: Final Answer:
The correct matching sequence is A - III, B - IV, C - I, D - II, which corresponds to Option (B).
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