A. food
B. mechanical support
C. shade
D. None of these
A. Transgene
B. Promoter
C. Enhancer
D. Reporter
In which of the following pigments major energy reserves and cell wall are like plants?
A. Rhodophyta
B. Chlorophyta
C. Phaeophyta
D. Chrysophyta
A. ring worm
B. meningitis
C. hepatitis
D. none of these
Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on___________?
A. Bacteria
B. Algae
C. Protenema
D. Cyanobacteria
A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?
A. Transpiration pull
B. Root pressure
C. Osmotic pressure.
D. None of these
Of the following which one is not the characteristic of green algae?
A. Some green algae possess cell wall with cellulose
B. They are generally accepted as the ancestors of green plants
C. Chlorella is unicellular non-motile green algae
D. None of these