UNICAL Biology 2012/2013 Past Questions

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

Banana, plantain and pineapple can be grouped together because they

A.produce small seeds
B.are multiple fruits
C.produce suckers
D.have runners

The structure in the cell that controls movement of substances in and out of the cell is the

A.cytoplasmic membrane
B.nuclear membrane
C.cytoplasm
D.protoplasm

Which of the following statements is not true of osmotic process?

A.there must be a selective permeable membrane
B.the two solution must be of different concentrations initially
C.it involves only the movement of water molecules
D.the two solutions are of equal concentration at the beginning of the experiment

The pulmonary artery carries

A.de-oxygenated blood from the right ventricle to the lungs
B.oxygenated blood from the right ventricle to the lungs
C.oxygenated blood from the left
D.de-oxygenated blood from the left ventricle to the right auricle

Which of the following parts of the mammalian brain is involved in taking the decision to run rather walk?

A.cerebellum
B.medulla oblongata
C.cranial nerves
D.cerebrum

Water rises most rapidly in

A.sandy soil
B.clayey soil
C.sandy-loam soil
D.loamy soil

Euglena moves by

A.whipping of its flagellum
B.beating its cilia
C.rotating action of the flagella
D.pushing out a jet of water from an organelle

The following life processes are common to both plants and animals except

A.respiration
B.growth
C.reproduction
D.photosynthesis

Which of the following statements is correct of hormones? Hormones are

A.secreted into the blood through ducts
B.secreted directly into the blood streams
C.inactive chemical substances in the blood stream
D.non-specific in their mode of action

Which of the following statements is not associated with the theory of natural selection?

A.there is a struggle for existence
B.there is a competition among offspring
C.the weaker offspring are eliminated
D.food and other needs are abundant