(a) Bacteria
(b) Algae
(c) Lichen
(d) Fungi
Answer:
In which Eco-system Grassland is included?
(a) Terrestrial
(b) Marine
(c) Artificial
(d) Fresh water
Answer:
Which of the following is not an output device?
(a) Touch Screen
(b) Plotter
(c) Printer
(d) Monitor
Answer:
Information that comes from an external source and is fed into computer software is called
(a) Reports
(b) Input
(c) Throughput
(d) Input
Answer:
Pick the odd one
(a) Printer
(b) Mouse
(c) Keyboard
(d) Scanner
Answer:
The active metals are extracted from their ores by the process of reduction with
(a) Electric current
(b) Hydrogen
(c) Aluminium
(d) Carbon
Answer:
Which of the following is used in thermometers?
(a) Mercury
(b) Zinc
(c) Tin
(d) Lead
Answer:
Cadmium is almost found in the ore of
(a) Aluminium
(b) Gold
(c) Zinc
(d) Silver
Answer:
Which of the following alkaline earth metal is used in manufacture of aeroplane parts?
(a) Mg
(b) Se
(c) Be
(d) Ca
Answer:
Which is the most reactive metal?
(a) Iron
(b) Sodium
(c) Potassium
(d) Calcium
Answer: