Stomatal movement is not affected by : (1) O2 concentration (2) Light (3) Temperature (4) CO2 concentration
Stomata in grass leaf are : (1) Rectangular (2) Kidney shaped (3) Dumb-bell shaped (4) Barrel shaped
Which of the following statements is incorrect? (1) RuBisCO action requires ATP and NADPH (2) RuBisCO is a bifunctional enzyme (3) In C4 plants, the site of RuBisCO activity is mesophyll cell (4) The substrate molecule for RuBisCO activity is a 5-carbon ...
Chromatophores take part in (a) movement (b) respiration (c) photosynthesis (d) growth.
Water soluble pigments found in plant cell vacuoles are (a) carotenoids (b) anthocyanins (c) xanthophylls (d) chlorophylls.
In a chloroplast the highest number of protons are found in (a) intermembrane space (b) antennae complex (c) stroma (d) lumen of thylakoids.
Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in (a) C4 plants (b) C2 plants (c) C3 and C4 plants (d) C3 plants.