1. | Auxin promotes xylem differentiation |
2. | NAA is used to overcome apical dominance |
3. | Auxins help to prevent fruit and leaf drop at early stages |
4. | Auxins prevent lodging of cereals |
1. | Were first isolated in agar by PaaI |
2. | Are synthesised using tryptophan as precursor |
3. | Are found always as bound with amines |
4. | Are synthesised in shoot apices only |
1. GA3
2. Ethylene
3. Cytokinin
4. Auxin
1. | ABA | - Violaxanthin |
2. | Ethylene | - Methionine |
3. | GA3 | - Acetyl CoA |
4. | Cytokinin | - Terpenes |
1. | To retain chlorophyll |
2. | In promoting cell division |
3. | In overcoming apical dominance |
4. | More than one option is correct |
1. | Kinetin |
2. | IAA |
3. | Zeatin |
4. | More than one option is correct |
1. | Promotes thinning of fruits in cherry and walnut |
2. | Induce parthenocarpy in tomato |
3. | Promotes flowering in Lemna |
4. | Is derived from tRNA |