Sulphur bacteria are examples of_____________?
A. Carnivores
B. Heterotrophs
C. Saprophytes
D. Autotrophs
Which of the following rock types would most likely be the best oil reservoir ?
A. Granite
B. Shale
C. Sandstone
D. Salt
A Hawk that eats a frog is a__________?
A. Producer
B. Primary Consumer
C. Secondary Consumer
D. Tertiary Consumer
Which is the world s most deadliest snake ?
A. Black mamba
B. Spitting cobra
C. Russel viper
D. Anaconda
What is the name of the action plan for sustainable development in the Twenty first century framed in the Rio Declaration on Environment & _____________?
Development (1992)?
A. Action 21
B. Agenda 21
C. Rio 21
D. Declaration 21
African grasslands are called____________?
A. Prairies
B. Pampas
C. Savannah
D. None
As the difference between the air temperature and the dew point increases, the relative humidity ?
A. Increases
B. Decreases
C. Remains constant at a value less than 100%
D. Remains constant and equal to 100%
___________ is the most commonly used unit of radiation?
A. Becquerel
B. Gray
C. Rutherford
D. Curie
What is lotic habitat ?
A. Standing or still water habitat
B. Marine habitat
C. Running water habitat
D. Stagnant water
__________ is diffused into the ground by gravitational force?
A. Rain water
B. Ocean
C. River water
D. None of the above
