Question:

Match List-I with List-II:

Choose the correct answer from the options given below:

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Knowing common and scientific names of important crops is useful.
Sword bean: Canavalia gladiata
Ivy gourd: Coccinia indica
Cowpea: Vigna unguiculata
Snake gourd: Trichosanthes anguina Carefully match each pair before selecting the combined option.
  • (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  • (A) - (II), (B) - (I), (C) - (III), (D) - (IV)
  • (A) - (IV), (B) - (III), (C) - (II), (D) - (I)
  • (A) - (III), (B) - (IV), (C) - (I), (D) - (II)
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The Correct Option is C

Approach Solution - 1

We need to match the common names of the plants in List-I with their correct scientific names in List-II.
(A) Sword bean is scientifically known as Canavalia gladiata. So, (A) matches with (IV).
(B) Ivy gourd is scientifically known as Coccinia indica (syn. Coccinia grandis). So, (B) matches with (III).
(C) Cowpea is scientifically known as Vigna unguiculata. So, (C) matches with (II).
(D) Snake gourd is scientifically known as Trichosanthes anguina. So, (D) matches with (I). Therefore, the correct matching is: (A) - (IV) (B) - (III) (C) - (II) (D) - (I) This corresponds to option (3). (A) - (IV), (B) - (III), (C) - (II), (D) - (I)
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Approach Solution -2

Genus-recall approach:
Rather than matching one item at a time, group the four common names by their botanical genus first: Canavalia (sword bean), Coccinia (ivy gourd), Vigna (cowpea) and Trichosanthes (snake gourd) are four distinct and well-known genera among Indian vegetable crops. Recalling the species names directly, Canavalia gladiata is sword bean, Coccinia indica (syn. grandis) is ivy gourd, Vigna unguiculata is cowpea, and Trichosanthes anguina is snake gourd. Slotting these fixed pairs against the List-II order given in the question reproduces the sequence sword bean-(IV), ivy gourd-(III), cowpea-(II), snake gourd-(I).
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