NEET Botany - MCQ Practice Questions

A desert plant maintains stomata closure during the day and opens them at night, fixing CO2 into malic acid. This adaptation is characteristic of which photosynthetic pathway?

Stomatal opening is primarily regulated by the accumulation of which osmotically active solute in guard cells?

Which of the following correctly describes the role of carotenoids in photosynthesis?

The photoperiodic response in plants (flowering) is primarily detected by which photoreceptor?

A variegated plant leaf shows white and green patches. Which organelle dysfunction is responsible for white patches?

Which of the following statements about transpiration pull is correct?