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