NEET Biology: Plant Growth and Development — Practice Set 5

Q1. Which statement about senescence in plants is incorrect?

Q2. Select the incorrect statement about plant growth phases:

Q3. Which plant hormone was first discovered due to its role in the 'foolish seedling' disease of rice?

Q4. What is the function of kinetin, a cytokinin discovered from autoclaved herring sperm DNA?

Q5. In arithmetic growth, how does the length of an organ change over time?

Q6. Which type of meristem is responsible for secondary growth in dicotyledonous plants?

Q7. Which statement regarding lateral meristem is correct?

Q8. Which plant growth phase is associated with increased vacuolation, cell enlargement, and new cell wall deposition?

Q9. Which plant hormone is known to regulate stomatal closure during water stress?

Q10. Which plant growth regulator promotes the formation of female flowers in cucumbers, increasing their yield?

Biology — Plant Growth and Development

Set 5 of 12

15:00

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Which statement about senescence in plants is incorrect?