Plant Biology Questions

Which of the following cell structures is NOT directly involved in protein synthesis or processing?

Lateral meristems are responsible for secondary growth in plants. Which of the following is a direct result of the activity of lateral meristems?

Which of the following tissues is primarily responsible for transporting sugars from the leaves to other parts of the plant?

A plant exhibits chlorosis, particularly in its older leaves. This is most likely a deficiency of which of the following macronutrients?

The transpiration-cohesion-tension mechanism is crucial for water transport in plants. What is the primary driving force behind this mechanism?

During photosynthesis, the Calvin cycle utilizes ATP and NADPH produced in the light-dependent reactions. What is the main purpose of the Calvin cycle?

Which stage of cellular respiration in plants directly produces the most ATP?

A plant hormone promotes cell division and delays senescence. Which hormone is most likely responsible for these effects?

Roots exhibit positive gravitropism, while stems exhibit negative gravitropism. Which hormone is primarily responsible for mediating these responses to gravity?

A short-day plant requires a long period of darkness to flower. If the dark period is interrupted by a brief flash of light, what is the likely outcome?