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Question
Match the columns.
A) Syntheticauxin i) Zeatin B) Natural cytokinin from coconut milk ii) IBA C) naturalauxin iii) Kinetin D) purine from herring sperm DNA iv) NAA
Match the columns.
| A) | Syntheticauxin | i) | Zeatin |
| B) | Natural cytokinin from coconut milk | ii) | IBA |
| C) | naturalauxin | iii) | Kinetin |
| D) | purine from herring sperm DNA | iv) | NAA |
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Solution
The correct option is A A−iv,B−i,C−ii,D−iii
A synthetic auxin (NAA) suppresses secondary wall cellulose synthesis and enhances elongation in cultured cotton. Zeatin is a cytokinin derived from adenine, which occurs in the form of a cis- and a trans-isomer and conjugate. Five naturally occurring (endogenous)auxins in plants include indole-3-acetic acid, 4-chloroindole-3-acetic acid, phenylacetic acid, indole-3-butyric acid, and indole-3-propionic acid. The mechanism of production of kinetin in DNA is thought to be via the production of furfural — an oxidative damage product of deoxyribose sugar in DNA — and its quenching by the adenine base's converting it into N6-furfuryladenine, kinetin. So the correct option is ' A−iv,B−i,C−ii,D−iii'.
A synthetic auxin (NAA) suppresses secondary wall cellulose synthesis and enhances elongation in cultured cotton. Zeatin is a cytokinin derived from adenine, which occurs in the form of a cis- and a trans-isomer and conjugate. Five naturally occurring (endogenous)auxins in plants include indole-3-acetic acid, 4-chloroindole-3-acetic acid, phenylacetic acid, indole-3-butyric acid, and indole-3-propionic acid. The mechanism of production of kinetin in DNA is thought to be via the production of furfural — an oxidative damage product of deoxyribose sugar in DNA — and its quenching by the adenine base's converting it into N6-furfuryladenine, kinetin. So the correct option is
' A−iv,B−i,C−ii,D−iii'.
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