NEETBotanyPlant - Growth and Development
Match List-I with List-II regarding seed dormancy and its removal. List-I List-II (A) Para-ascorbic acid (I) Chemical applied to break dormancy (B) Gibberellic acid (II) Endogenous chemical inhibitor (C) Impermeable seed coat (III) Temperature treatment to break dormancy (D) Chilling conditions (IV) Physical cause of dormancy Choose the correct answer from the options given below:
Options
- A(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
- B(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
- C(A)-(II), (B)-(I), (C)-(IV), (D)-(III)
- D(A)-(IV), (B)-(I), (C)-(II), (D)-(III)
Correct answer
C. (A)-(II), (B)-(I), (C)-(IV), (D)-(III)
Step-by-step solution
Seed dormancy can be caused by physical barriers such as an impermeable and hard seed coat (C matches IV) or by endogenous chemical inhibitors such as para-ascorbic acid, abscisic acid, and phenolic acids (A matches II). This dormancy can be overcome by applying specific chemicals like gibberellic acid and nitrates (B matches I) or by subjecting the seeds to chilling conditions, which serves as a temperature treatment to break dormancy (D matches III). Thus, the correct matching is (A)-(II), (B)-(I), (C)-(IV), (D)-