JAMB - Biology (2006)
1
Night-blindness result from a deficiency of
2
The product of excretion common to the mammalian kidney, lung and skin is
3
An increase in air pressure in the lungs is due to the
Answer(C)
relaxation of the diaphragm
4
One basic similarity between nervous and endocrine system is that they both
Answer(C)
involve the use of chemical substances
5
The organ situated in the pericardial cavity of a mammal is the
6
A unique characteristics of the cervical vertebrae is the presence of
7
In rabbit the chamber of the heart that receives oxygenated blood from the lungs is the
8
The formation of water in the tissue respiration results from the
Answer(B)
reduction of oxygen by hydrogen
9
Water is necessary for a germinating seed because it
10
Which of the following produces both hormones and enzymes
11
The mammalian vein which starts with and ends in a capillary network is the
12
In the transverse of a dicot stem, the region lying between the endodermis and the vascular bundle is the
13
The two normal types of sex chromosomes are
14
One advantage of variation in a species population is that individuals
Answer(D)
are better adapted to changes
15
Mendel's second law of inheritance states that
Answer(B)
alleles segregates independently
16
The intensity of competition among animals in a given area will increase with
Answer(B)
an increase in population size
17
The part of the mammalian skin involved in temperature regulation is the
18
The role of the Golgi complex in an eukaryotic cell is to
Answer(D)
transport organic materials in and out of the cells
19
The dominant phase in the life cycle of a bryophyte is the
20
The evidence that supports the advancement of ferns over mosses is derived from
21
Which of the following vertebrates has the most simple structured heart?
22
One primitive feature of the coelenterates is the possession of
23
A characteristic that best exemplifies the evolutionary advancement of mammals over other vertebrates is the
Answer(A)
viviparous mode of reproduction
24
An organism which exhibits extracellular digestion is
25
The causative agent of typhoid fever is
26
Grasses recover quickly from bush fires in the savanna because of their
27
Climax communities in a biotic succession are usually characterized by
Answer(C)
a stable composition of plant and animal species
28
The soil type that contain nutrients which are not readily available for plants is
29
A population that doubles in size at constant intervals is an indication of
30
Hassan and Hussain are identical twins but Hassan grows taller and fatter from Hussain. This is probably because
Answer(D)
They are raised in different environment
31
The organ through which the embryo receives food, water and oxygen is labelled
32
Mammals are capable of producing hypertonic urine mainly because of re-absorption in the
33
Using the diagram, sexual reproduction is illustrated in
34
Using the diagram, A plant that exhibits the type of reproduction shown in IV is
35
Using the diagram, the part labelled IV is for
36
The diagram represents the structure of
37
In the diagram, the part labelled I represents the
38
In the diagram, the change in the length of the neck of the giraffes shown was brought about by
39
In the diagram, the variation illustration is
40
In the diagram, The economic importance of the larva is that it
Answer(D)
feeds on the leaves of crops
41
In the diagram, the type of adaptation shown in the larva is
42
In the diagram, The maxillary palp is labelled?
43
In the diagram, the structure labelled I is sensitive to
44
In the diagram, A unique characteristic that distinguishes the class of vertebrates represented from other vertebrates is the presence of
45
In the diagram, the structures used for offense and defense are labelled
