The productivity of aquatic ecosystem is basically determined by light and____________?
The productivity of aquatic ecosystem is basically determined by light and____________?
A. CO2
B. O2
C. Water
D. Nutrients
The productivity of aquatic ecosystem is basically determined by light and____________?
A. CO2
B. O2
C. Water
D. Nutrients
The one which is incorrect pair?
A. Sori – Indusium
B. Arthrophytes – Jointed
C. Dichotomous – Vernation
D. Lycopods – Ground pries
Which one of the following is an example of a non-elastic connective tissue?
A. Ligaments.
B. Tendon
C. Muscles.
D. None of these
In living organisms the lubricant which provides protection against damage resulting from friction is___________?
A. Carbohydrates
B. Fatty acid
C. Water
D. Protein
Hydra has___________?
A. Brain
B. Nerves
C. Neuron-cells
D. All of these
A. 1896
B. 1897
C. 1898
D. 1899