Question:
Match List I with List II
List I (Crop):
A. Carnation
B. Marigold
C. Tuberose
D. Chrysanthemum
List II (Basic chromosome number):
I. X= 9
II. X = 30
III. X = 15
IV. X= 12
Choose the correct answer from the options given below:
Match List I with List II
List I (Crop):
A. Carnation
B. Marigold
C. Tuberose
D. Chrysanthemum
List II (Basic chromosome number):
I. X= 9
II. X = 30
III. X = 15
IV. X= 12
Choose the correct answer from the options given below:
List I (Crop):
A. Carnation
B. Marigold
C. Tuberose
D. Chrysanthemum
List II (Basic chromosome number):
I. X= 9
II. X = 30
III. X = 15
IV. X= 12
Choose the correct answer from the options given below:
Show Hint
Basic chromosome numbers are often constant within a genus. Chrysanthemum (\(x=9\)) and Marigold (\(x=12\)) are very common exam questions.
Updated On: Aug 13, 2026
- A - I, B - II, C - IV, D - III
- A - III, B - IV, C - II, D - I
- A - IV, B - III, C - I, D - II
- A - II, B - III, C - IV, D - I
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
The basic chromosome number (\(x\)) represents the number of chromosomes in a single complete set. Horticultural crops vary widely in their \(x\) values.
Step 2: Detailed Explanation:
A. Carnation (Dianthus caryophyllus): The basic chromosome number is \(x = 15\). Cultivated carnations are generally diploid (\(2n = 30\)). (Match with III).
B. Marigold (Tagetes spp.): For the most common marigolds, specifically Tagetes erecta and Tagetes patula, the basic chromosome number is \(x = 12\). (Match with IV).
C. Tuberose (Polianthes tuberosa): Tuberose belongs to the Agavoideae family. Its basic chromosome number is \(x = 30\). (Match with II).
D. Chrysanthemum: Chrysanthemum species are based on a basic chromosome number of \(x = 9\). Cultivars can be diploid, tetraploid, or hexaploid (e.g., \(2n = 18, 36, 54\)). (Match with I).
Matching these results in: A-III, B-IV, C-II, D-I.
Step 3: Final Answer:
The correct matching sequence is A-III, B-IV, C-II, D-I.
The basic chromosome number (\(x\)) represents the number of chromosomes in a single complete set. Horticultural crops vary widely in their \(x\) values.
Step 2: Detailed Explanation:
A. Carnation (Dianthus caryophyllus): The basic chromosome number is \(x = 15\). Cultivated carnations are generally diploid (\(2n = 30\)). (Match with III).
B. Marigold (Tagetes spp.): For the most common marigolds, specifically Tagetes erecta and Tagetes patula, the basic chromosome number is \(x = 12\). (Match with IV).
C. Tuberose (Polianthes tuberosa): Tuberose belongs to the Agavoideae family. Its basic chromosome number is \(x = 30\). (Match with II).
D. Chrysanthemum: Chrysanthemum species are based on a basic chromosome number of \(x = 9\). Cultivars can be diploid, tetraploid, or hexaploid (e.g., \(2n = 18, 36, 54\)). (Match with I).
Matching these results in: A-III, B-IV, C-II, D-I.
Step 3: Final Answer:
The correct matching sequence is A-III, B-IV, C-II, D-I.
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