21. In CAM plants, CO2 is first fixed: (A) During the day by Rubisco (B) At night by PEP carboxylase (C) In bundle sheath cells (D) In chloroplast stroma only

9. Which feature best distinguishes bryophytes from vascular plants with respect to life-cycle dominance? (A) Bryophytes possess a dominant sporophyte with vascular tissues (B) Bryophytes rely onon seeds for embryo nourishment (C) Bryophytes have a dominant gametophyte generation that supports a dependent sporophyte (D) Bryophytes exhibit equal dominance of both generations

21. In CAM plants, CO₂ is first fixed:
(A) During the day by Rubisco
(B) At night by PEP carboxylase
(C) In bundle sheath cells
(D) In chloroplast stroma only

相關試題

相關試卷