UNIZIK Biology 2019/2020 - Model Past Questions

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

The order of passage of food in the digestive system is

A.ileum, caccum, large intestine, rectum
B.ileum, colon, caccum, rectum
C.Large intestine, illeum, caccum, rectum
D.colon, caccum, ileum, rectum

The caste of termites that lacks pigmentation is the

A.king
B.worker
C.soldier
D.queen

Spherical bacterial cells in long chains are called are called

A.staphylococci
B.streptococci
C.cocci
D.bacilli

Which of the following bones is NOT a component of the appendicular skeleton?

A.tibia
B.sacrum
C.radius
D.humerus

Vitamin k is important in the

A.formation of enzymes involved in synthesis of amino acids
B.formation of red blood cells
C.synthesis of blood clotting factors
D.formation of co-enzymes involved in cellular respiration

A person suffering from obstruction of the bile duct is advised not to eat fat and oil because

A.Bile digests fats and oil
B.fats and oil can only be absorbed when bile is absent
C.bile emulsifies fats and oil
D.bile adds water to digesting food

The part of the brain resonsible for the coordination of involuntary actions such as heart beat, peristalsis is ........

A.medulla oblongata
B.cerebellum
C.pineal
D.cerebrum

The hormone which regulates the amount of sugar in the blood is

A.thyroxine
B.auxin
C.insulin
D.adrenaline

Thunderstorm can be beneficial to plants because it

A.kills pests that attack crops
B.adds lime to the soil
C.adds nitrates to the soil
D.make rain water available to plants

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