Post Utme Biology Past Questions and Answers

Question 1151:

The following pair of ions is involved in transmission of impulse by neurons ____________

A. \(K\) and \(Na\) ions
B. \(Na\) and \(Mg\) ions
C. \(K\) and \(Cl\) ions
D. \( K\) and \(Ca\) ions

Question 1152:

The probability of producing an heterozygote progeny in a cross between two heterozygote individuals of pea plant is ____________

A. \(1 / 3\)
B. \(1 / 4\)
C. \(1 / 2\)
D. \(2 / 3\)

Question 1153:

One of these does not protect the body from harmful effect of disease - causing micro-organisms ____________

A. Anti toxin
B. Phagocytes
C. Antigens
D. Antibodies

Question 1154:

Which of these statements with respect to "individual organism" is not correct?

A. It refers to animals only
B. It refers to either the plants or animals
C. Its ecology can be carried not in zoo only
D. It is used in reference to plant only

Question 1155:

One of these is not a major Biome in West Africa ____________

A. Rain forest
B. Savanna Coniferous forest
C. Mangrove