1.
All persons with the following blood groups may produce a child with a blood group O-ve except:
A. 
B. 
C. 
D. 
2.
The mammal that does not give birth but lays eggs and incubates them is:
A. 
B. 
C. 
D. 
3.
Lamprey belongs to class:
A. 
B. 
C. 
D. 
4.
The three pairs of genes responsible for the presence of Rhesus factor antigens are located on ............ pair(s) of chromosomes
A. 
B. 
C. 
D. 
5.
............. is a parasite that causes human malaria
A. 
B. 
C. 
D. 
6.
The flowers in Antirrhinum plant have ........... different colours
A. 
B. 
C. 
D. 
7.
Sea star belongs to phylum
A. 
B. 
C. 
D. 
8.
The gene is made up of a sequence of .........
A. 
B. 
C. 
D. 
9.
Class sarcodina is characterized by having .......................
A. 
B. 
C. 
D. 
10.
Repetitive sequences of genetic material are impossible to be similar in two individuals unless they are ............
A. 
B. 
C. 
D. 
11.
Inheritance of blood groups in human is a case known as .............
A. 
B. 
C. 
D. 
12.
................... is an example of mollusca
A. 
B. 
C. 
D. 
13.
From the sex-limited trait there is ...........
A. 
B. 
C. 
D. 
14.
The ............. comprises all the genes found in the nucleus of each somatic cell
A. 
B. 
C. 
D. 
Repetitive sequence of DNA
15.
All of the following belong to order rodentia except ..............
A. 
B. 
C. 
D. 
16.
A haemophyliac father can't inherit the disease to
A. 
B. 
C. 
D. 
17.
The most developed living organism among the following is ...............
A. 
B. 
C. 
D. 
18.
The individual of a genotype (AABb) produces the gamete (aB) in a ratio of ............ %
A. 
B. 
C. 
D. 
19.
.............. are from the warm-blooded animals
A. 
B. 
C. 
D. 
20.
In human, sex chromosomes come after the ............. pair in size
A. 
B. 
C. 
D. 
21.
The chromosome is composed of .........
A. 
B. 
C. 
D. 
22.
In a certain strain of sheep, if a horned male sheep is crossed with a hornless female producing the following:
In Males, 3 horned : 1 hornless
while in Females, 3 hornless : 1 horned
So this genetic case is a
A. 
B. 
C. 
D. 
23.
In a certain strain of mammals, if a black male is crossed with a white female producing the following:
Black female : Grey female : White male : Red male in a ratio
1 :1 : 1 : 1
So the recessive gene here is the ------------
A. 
B. 
C. 
D. 
Mixing between black and white
24.
A kingdom where its members consist of filaments called hyphae
A. 
B. 
C. 
D. 
25.
A fish where its gills are covered by an operculum ----
A. 
B. 
C. 
D.