What are the different shapes of bacteria?
A. Rod and round only
B. Round and spiral only
C. Rod and spiral only
D. Spiral, rod and round only
People from an area near a factory are suffering from bronchitis, what can be the cause of it?
A. Polluted water from factory
B. Polluted air from factory
C. Toxic matter from factory
D. Solid waste form factory
Coolants in refrigerators and air conditioners contribute to what environmental hazard?
A. Acid rain
B. Ozone depletion
C. Oil spillage
D. Global warming
Which organelle is responsible from green color of plant leaves?
A. cytoplasm
B. chloroplast
C. chlorophyll
D. vacuole
Bacteria growing on raw sewage use most of the oxygen from water. What will happen to fish living in that water?
A. they won’t be able to swim in water
B. they will get more food
C. they will get small
D. they will die of suffocation
Everest is the world’s highest mountain, what is the name of the second highest?
A. K2
B. Annapuma
C. Nanga Purbat
D. Chimborazo