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Arrange the following plants in ascending order based on the number of xylem strands in their roots :
(I) Trapa
(II) Pisum
(III) Castanea
(IV) Nicotiana
- a)I, IV, II, III
- b)IV, III, I, II
- c)III, IV, II, I
- d)II, IV, III, I
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Arrange the following plants in ascending order based on the number of...
Trapa < Nicotiana < Pisum < Castanea
This question is part of UPSC exam. View all NEET courses
Most Upvoted Answer
Arrange the following plants in ascending order based on the number of...
Ascending Order of Plants based on Number of Xylem Strands in Roots:
I. Trapa - 1 xylem strand
II. Pisum - 2 xylem strands
III. Castanea - 4 xylem strands
IV. Nicotiana - 8 xylem strands
Therefore, the correct option is (b) IV, III, I, II.
Explanation:
- Xylem is a specialized tissue in plants that transports water and minerals from roots to other parts of the plant.
- The number of xylem strands in roots varies among different plant species.
- Trapa, also known as water caltrop, has only one xylem strand in its roots.
- Pisum, or pea plant, has two xylem strands in its roots.
- Castanea, or chestnut tree, has four xylem strands in its roots.
- Nicotiana, or tobacco plant, has eight xylem strands in its roots.
- Therefore, based on the number of xylem strands in their roots, the correct ascending order of the given plants is IV, III, I, II.
I. Trapa - 1 xylem strand
II. Pisum - 2 xylem strands
III. Castanea - 4 xylem strands
IV. Nicotiana - 8 xylem strands
Therefore, the correct option is (b) IV, III, I, II.
Explanation:
- Xylem is a specialized tissue in plants that transports water and minerals from roots to other parts of the plant.
- The number of xylem strands in roots varies among different plant species.
- Trapa, also known as water caltrop, has only one xylem strand in its roots.
- Pisum, or pea plant, has two xylem strands in its roots.
- Castanea, or chestnut tree, has four xylem strands in its roots.
- Nicotiana, or tobacco plant, has eight xylem strands in its roots.
- Therefore, based on the number of xylem strands in their roots, the correct ascending order of the given plants is IV, III, I, II.
Community Answer
Arrange the following plants in ascending order based on the number of...
Ascending order of plants based on the number of xylem strands in their roots:I. TrapaII. PisumIII. CastaneaIV. NicotianaExplanation:Xylem strands are the vascular tissue that transports water and minerals from the roots to the rest of the plant. The number of xylem strands in a plant's root system is an important characteristic that determines its ability to absorb and transport water.The four plants given in the question can be arranged in ascending order based on the number of xylem strands in their roots as follows:I. Trapa: Trapa, also known as water caltrop, is an aquatic plant that typically has only one or two xylem strands in its roots. Therefore, it has the lowest number of xylem strands among the four plants given.II. Pisum: Pisum, also known as pea, is a terrestrial plant that typically has four to six xylem strands in its roots. Therefore, it has a higher number of xylem strands than Trapa.III. Castanea: Castanea, also known as chestnut, is a tree that typically has eight to ten xylem strands in its roots. Therefore, it has a higher number of xylem strands than Pisum.IV. Nicotiana: Nicotiana, also known as tobacco, is a plant that typically has more than ten xylem strands in its roots. Therefore, it has the highest number of xylem strands among the four plants given.
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Arrange the following plants in ascending order based on the number of xylem strands in their roots :(I) Trapa(II) Pisum(III) Castanea(IV) Nicotianaa)I, IV, II, IIIb)IV, III, I, IIc)III, IV, II, Id)II, IV, III, ICorrect answer is option 'A'. Can you explain this answer?
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