Q.45
Match List - I with List - II :
Choose the correct answer from the options given below :
|
List - I
Commodity
|
List - II
Effects of ethylene
|
||
|---|---|---|---|
| A | *Daucus carota* *Daucus carota* | I | Toughness Toughness |
| B | *Dianthus caryophyllus* *Dianthus caryophyllus* | II | Isocoumarin formation Isocoumarin formation |
| C | *Asparagus officinalis* *Asparagus officinalis* | III | Russet spotting Russet spotting |
| D | *Lactuca sativa* *Lactuca sativa* | IV | Sleepiness Sleepiness |
- Daucus carota (Carrot) $\rightarrow$ (II) Isocoumarin Formation: Exposure to trace ethylene induces synthesis of the bitter isocoumarin compound (6-methoxymellein).
- Dianthus caryophyllus (Carnation) $\rightarrow$ (IV) Sleepiness: Ethylene induces premature petal inrolling and permanent wilting, a classic disorder known as carnation "sleepiness".
- Asparagus officinalis (Asparagus) $\rightarrow$ (I) Toughness: Ethylene triggers phenylpropanoid enzymes accelerating cell wall lignification and fiber toughening in spears.
- Lactuca sativa (Lettuce) $\rightarrow$ (III) Russet Spotting: Ethylene stimulates polyphenol oxidase and phenylalanine ammonia-lyase, causing brown necrotic sunken pit lesions along midribs.
- Correct Option: Option 1 ((A) - (II), (B) - (IV), (C) - (I), (D) - (III)).
Explanation not matching this question?
क्या व्याख्या इस प्रश्न से मेल नहीं खा रही?
Report
Want to practice this paper in exam conditions?
क्या आप परीक्षा जैसे माहौल में अभ्यास करना चाहते हैं?
Test yourself in 5-question batch format with timer and hidden answers.
5-प्रश्नों के बैच फॉर्मैट, टाइमर और छिपे उत्तरों के साथ खुद को परखें।
Start Practice Mode →
प्रैक्टिस टेस्ट मोड शुरू करें →