ABU Biology 2016/2017 Past Questions

Practice each question, then open it to see the full details.

Which of the following is an excretory organ in flatworms?

A.Malphighian tubules
B.kidney
C.Nephridium
D.Flame cells

Which of the following is not an excretory organ in mammals?

A.Anus
B.Liver
C.Lung
D.Skin

Which of the following is not freshwater?

A.Brackish water
B.puddle
C.pond
D.River

Which of the following is a special organ for oxygen absorption in aquatic animals?

A.Air bladder
B.Lung
C.Spiracle
D.Gills

Which of the following is not a feature of marshes?

A.High oxygen content
B.Water-logged soil
C.Low light intensity
D.Abundant saprophytic bacteria

Drought resistant plants are called>

A.Hydrophytes
B.Xerophytes
C.Mesophytes
D.Broyophytes

Primary succession on terrestrial habitat is associated with

A.Bare soil
B.Abandoned Farmland
C.Primary forest
D.Scondary Forest

Which of the following may not result in overcrowding?

A.Limited spave
B.Scarcity of food
C.Increased birth rate
D.tight immigration conditions

Which is the function of mitochondria?

A.give cell rigid shape
B.Site for energy release
C.Manufactures protein
D.contains cell sap

Which is not a feature of animal cells?

A.Presence of centrosome
B.Absence of cell wall
C.Presence of few, small vacuoles
D.Presence