IMSU Biology 2012/2013 Past Questions

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

The following external condition is not necessary for the germination of seedlings:

A.water or Moisture
B.moderate temperature
C.Air or oxygen
D.Heat or extreme sunshine

Which of the following is the lowest category of classification?

A.Class
B.genus
C.species
D.family

This is not a reason why organisms are classified

A.to group animals according to their characteristics
B.to give order to the diversity of all collected and known organisms
C.to prepare grounds for a proper naming of organisms
D.to determine the sex of the organisms

A group of animals at the lower level of the classificatory ladder represents those whose members

A.share the largest numbers of common characteristics
B.have no common features
C.exhibit the least overall similarities
D.all of the above.

An animal body that can be cut along its axis in any plane to give two identical parts is said to be

A.Bilaterally symmetrical
B.symmetrical
C.Radially symmetrical
D.asymmetrical

Mammals have the following characteristics except

A.warm-blooded or homoeothermic nature
B.relatively constant internal temperature
C.possession of scales and features
D.possession of hairs and sweat glands.

The feature that links birds to reptiles in evolution is the possession of

A.feathers
B.beak
C.skeleton
D.scales

Which of the following has mammary gland:

A.whale
B.dogfish
C.catfish
D.shark

The ability of birds to fly is as a result of possession of these evolutionary modifications except.

A.feathers
B.Hollow bones
C.a small weak heart
D.wings and associated pectoral muscles

These are the characteristics of birds except:

A.warm-blooded
B.reproduce by laying eggs
C.the hind-limbs are-modified as wings
D.skin is covered with feathers.