Identify the set of correct statements:
A. The flowers of Vallisneria are colourful and produce nectar.
B. The flowers of water lily are not pollinated by water.
C. In most of water-pollinated species, the pollen grains are protected from wetting.
D. Pollen grains of some hydrophytes are long and ribbon like.
E. In some hydrophytes, the pollen grains are carried passively inside water.
Choose the correct answer from the options given below.
The lactose present in the growth medium of bacteria is transported to the cell by the action of
Match List I with List II
List - I | List - II | ||
---|---|---|---|
A. | Clostridium butylicum | I. | Ethanol |
B. | Saccharomyces cerevisiae | II. | Streptokinase |
C. | Trichoderma polysporum | III. | Butyric acid |
D. | Streptococcus sp. | IV. | Cyclosporin-A |
Choose the correct answer from the options given below:
The equation of Verhulst-Pearl logistic growth is $$\frac{\mathrm{dN}}{\mathrm{dt}}=\mathrm{rN}\left[\frac{\mathrm{K}-\mathrm{N}}{\mathrm{K}}\right]$$. From this equation, $$\mathrm{K}$$ indicates: