Related InterviewSolutions

• Who discovered phytochrome? (a) Borthwick and Hendricks (b) Boysen – Jensen (c) Garner – Allard (d) Darwin – Went
• Which substance is used for artificial ripening of fruits?
• Which plant hormone was first of all discovered? (a) Auxin (b) Gibberellin (c) Ethylene (d) Cytokinin
• What do you understand by the term grand period of growth (GPG)?
• Which of the plant hormone is still not isolated? (a) Auxin (b) Florigen (c) Cytokinin (d) Gibberellin
• Which hormone is used to control dicotyledonous weeds in the field? (a) IAA (b) GA (c) IBA (d) 2 – 4D
• Apical dominance is found due to? ;(a) Auxin (b) Gibberellin (c) Cytokinin (d) Ethylene
• Write Essay on Following: 1. Gibberellin and Cytokinin. 2. Growth inhibitor substances. 3. Photoperiodism. 4. Senescence and Abscission. 5. Vernalization
• What is auxin? Critically analyze the physiological effects of auxin on growth.
• What do you understand by the term apical dominance?