NEET Botany - MCQ Practice Questions

Which of the following is the primary source of energy for plant cells?

The rate of photosynthesis is maximum at which wavelength of light?

Which pigment is responsible for absorbing light energy in photosystem II?

The dark reaction of photosynthesis does not require which of the following?

In C4 plants, the first stable compound formed during photosynthesis is:

Which of the following statements about transpiration is correct?

The opening and closing of stomata is primarily regulated by:

Which hormone promotes cell elongation and is responsible for apical dominance?

The phenomenon where plants grow towards light is called:

Which of the following is a consequence of excessive transpiration?

The Casparian strip is found in which region of the root?

Root pressure is primarily responsible for:

The ascent of sap in tall trees is best explained by:

Which of the following processes does NOT require energy (ATP)?

The compensation point of a plant is the light intensity at which:

CAM plants open their stomata primarily at:

Which of the following is a characteristic of phloem transport?

The ratio of photosynthesis to respiration in a plant is represented by:

Which enzyme catalyzes the fixation of CO2 in the Calvin cycle?

During photosynthesis, the light-independent reactions occur in which compartment of the chloroplast?