Biology questions
20584 published questions with worked solutions.
- Which one includes growth inhibitors?
- Hormone involved in phototropism is
- In coleoptile tissue, auxin is
- Dr. F Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when...
- You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones...
- Which hormone was first isolated from human urine?
- Which of the following effects of auxins on plants is the basis for their commercial application?
- Fruit and leaf drop at early stages can be prevented by the application of
- ‘Apical dominance’ in plants is the result of
- The full form of IAA is
- Removal of shoot tips is very useful technique to boost the production of tea leaves. This is because
- Parthenocarpy in tomatoes is induced by
- Among the following which is/are the function(s) of auxin?
- The plant hormone produced by Rhizobium for nodulation is
- Which one of the following is not an effect of gibberellin?
- Fruits can be left on the tree longer, so as to increase the market period. This is due to the function of
- Natural cytokinins are synthesized in region where rapid cell division occurs such regions are
- The problem of necrosis and gradual senescence, while performing tissue culture can be overcome byNot in NEET syllabus
- Cytokinin helps in delaying the leaf falling/senescence mainly by
- Cytokinins help to produce