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Column I Column II
a. Dicots with scattered vascular bundles.  (i) Podophyllum and Peperomia
b. Cortical  vascular bundles. (ii) Amaranthus and Boerhaavia
c. Medullary vascular bundles (iii) Nyctanthus and Casuarina
d. Polystelic condition (iv) Primula and Dianthera

 

Option: 1

a(i), b(iii), c(ii), d(iv)

 


Option: 2

a(i), b(ii), c(iii), d(iv)


Option: 3

a(iii), b(i), c(ii), d(iv)


Option: 4

a(iv), b(ii), c(iii), d(i)


Answers (1)

best_answer

Dicots with scattered vascular bundles are found in Primula and Dianthera.Cortical  vascular bundles are present in Podophyllum and Peperomia.Medullary vascular bundles are found in Amaranthus and Boerhaavia.

Polystelic condition is found in Podophyllum and Peperomia. 

Therefore, option 4 is correct.

 

  • Primula: Primula is a genus of flowering plants commonly known as primroses. They belong to the family Primulaceae. In Primula species, the vascular bundles are scattered throughout the stem, which is a characteristic of dicots with scattered vascular bundles.
  • Dianthera: Dianthera is a genus of flowering plants belonging to the family Acanthaceae. Like Primula, Dianthera species also have scattered vascular bundles in their stems, indicating the dicot characteristic.
  • Podophyllum: Podophyllum is a genus of perennial herbaceous plants. It belongs to the family Berberidaceae. In Podophyllum species, the vascular bundles are present in the cortex of the stem. This arrangement is known as cortical vascular bundles.
  • Peperomia: Peperomia is a genus of plants belonging to the family Piperaceae. Similar to Podophyllum, Peperomia species also have cortical vascular bundles, where the vascular bundles are found in the cortex of the stem.
  • Amaranthus: Amaranthus is a genus of annual or perennial plants commonly known as amaranths. It belongs to the family Amaranthaceae. In Amaranthus species, the vascular bundles are found in the medullary region of the stem. This arrangement is known as medullary vascular bundles.
  • Boerhaavia: Boerhaavia is a genus of flowering plants belonging to the family Nyctaginaceae. Boerhavia species also have medullary vascular bundles, where the vascular bundles are present in the medullary region of the stem.
  • Polystelic condition: Polystelic condition refers to the presence of multiple or numerous vascular bundles in a stem. In the context you mentioned, Podophyllum and Peperomia exhibit a polystelic condition, meaning they have multiple vascular bundles in their stems.
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