NEETBiologyPlant Growth and DevelopmentMCQ+4 / −1
The gaseous plant growth regulator is used in plants to:
- Aspeed up the malting process
- Bpromote root growth and roothair formation to increase the absorption surface
- Chelp overcome apical dominance
- Dkill dicotyledonous weeds in the fields
View written solutionFree
Correct answer: B
Ethylene is a gaseous plant hormone. It induces development of adventitious roots on various types of cutting. It promotes the development of lateral roots and growth of root hairs. Cytokinin helps to overcome the apical dominance.
Auxin is used to kill dicot weeds. Gibberellin speeds up the malting process.
More from Plant Growth and Development
- Production of Cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in the plants:2022 · MCQ
- Plants follow different pathways in response to environment of phases of life to form different kinds of structures. This ability is called2021 · MCQ
- The site of perception of light in plants during photoperiodism is2021 · MCQ
- The plant hormone used to destroy weeds in a field2021 · MCQ
- Which of the following is not an inhibitory substance governing seed dormancy?2020 · MCQ
- Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop2020 · MCQ
- What is the site of perception of photoperiod necessary for induction of flowering in plants?2019 · MCQ
- Fruit and leaf drop at early stages can be prevented by the application of2017 · MCQ