The lowest level of organization in living organisms is
答え
(B)
cell
2
Which of the following is the most complex according to their cellular level of organization?
答え
(A)
Heart
3
Which of the following organisms is multicellular?
答え
(B)
Spirogyra
4
In bryophytes, sex organs are produced in the
答え
(C)
gametophyte
5
Seed plants are the most dominant vegetation on land because of
答え
(C)
efficient seed dispersal
6
Which of the following is an aboreal organism?
答え
(D)
Bird
7
i2/1, c0/0, pm3/2, m3/3. The general formula above represent that of
答え
(D)
a herbivore
8
A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because
答え
(B)
Diffusion is sufficient to transport materials in Amoeba
9
In vascular plants, the sieve tubes and companion cells are present in the
答え
(D)
phloem
10
The stomata of leaves are similar in function to the
答え
(C)
spiracle of insects
11
The use of moist skin for respiration in amphibians is known as
答え
(B)
cutaneous respiration
12
Water in plants is removed as water vapour through the process of
答え
(D)
transpiration
13
An example of an organ of perennation in plants is
答え
(A)
rhizome
14
Alternation of generation is a feature shown in
答え
(A)
mosses
15
Coordination and regulation of body activities in mammals are achieved by the
答え
(B)
nerves and hormones
16
The Cerebellum of the Brain controls
答え
(B)
Muscular Activity
17
The part of the brain responsible for peristalsis is the
答え
(B)
Medulla Oblongata
18
Which of the following instruments is used for measuring atmospheric pressure?
答え
(D)
Barometer
19
The influence of soil on organisms in a habitat is referred to as
答え
(A)
Edaphic
20
The genetic make-up of an organism is described as
答え
(D)
Genotype
21
The major limiting factors of productivity in the aquatic habitat include the following except?
答え
(C)
Water
22
Which of the following group of organisms feeds directly on green plants?
答え
(A)
Primary Consumers
23
A characteristic feature of tropical rainforest is that it
答え
(B)
Contains large number of plant species
24
The study of how and why population size change over time is
答え
(B)
Population dynamics
25
A severe and long dry season is a characteristic feature of
答え
(A)
Sahel Savanna
26
Which of the following is a nitrogen-fixing blue-green algae of soil?
答え
(D)
Anabaena
27
The soil with highest water-retaining capacity is
答え
(A)
Clayey Soil
28
The causative agent of Poliomyelitis is
答え
(A)
Virus
29
One of the ways of controlling noise pollution in urban areas is
答え
(A)
by siting industries away from residential areas
30
A constituent of the exhaust fumes from electricity generating sets which causes serious pollution is
答え
(A)
Carbon (II) Oxide
31
Which of the following is true of small pox?
答え
(C)
It can effectively be controlled by vaccination
32
A pollutant that is mostly associated with acid rain is
答え
(A)
Nitrogen (IV) Oxide
33
When the adults have reach a certain degree of weakness, the process of binary fission is replaced by conjugation in
答え
(A)
Paramecium
34
Whorls, arches, loops and compounds are types of variation in
答え
(B)
Finger prints
35
A couple has 10 children, all female. Which of the following best explains the situation
答え
(A)
The sex determination was by the man's X chromosome
36
A biological agent with antiviral property is
答え
(A)
Interferon
37
One of the advantages of outbreeding is
答え
(B)
disease resistance
38
An individual with blood group AB can receive blood from those in blood group(s)
答え
(A)
A, B, AB, O
39
The stream-lined shape of fishes is an adaptation for
答え
(B)
easy movement
40
An example of a poikilothermic organism is a
答え
(A)
Lizard
41
All living organisms are constantly involved in a struggle for existence. This was proposed by
答え
(B)
Darwin
42
Adaptive radiation is illustrated in
答え
(A)
modified insect mouthparts
43
i. Growth is mainly apical ii. Growth is specific with definite shape iii. Growth is throughout life. Which of the above correctly describes the growth pattern in plants?
答え
(D)
i and iii only
44
Use the diagram to answer this question. The part labelled II is the
答え
(D)
contractile vacuole
45
Use the diagram above to answer this question. The part responsible for photosynthesis is labelled
