UNICAL Biology 2015/2016 Past Questions

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

The following are examples of poikilothermic animal except

A.lizards
B.birds
C.snakes
D.frogs

The biological formation of CO₂, H₂O and NH₃ from dead plant and animal tissues by the activities of micro-organisms is called _______

A.purification
B.nitrification
C.dentrification
D.nitrogen fixation

The centre in the mammalian brain that is responsible for temperature regulation is ________________

A.cerebrum
B.cerebellum
C.diencephalon
D.hypothalamus

When the body fluid of an organism has the same concentration as that of the external medium such medium is said to be _____________

A.hypotonic
B.hypertonic
C.isotonic
D.osmotic