Which of the following structures is common to Euglena, white blood cell and Amoeba?
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(D)
Cell membrane
3
The term 'Thyllophyta'refers to
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(B)
algae and fungi
4
The following organisms are hermaphrodites EXCEPT?
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(C)
Schistosoma
5
Parasitic form are NOT found among
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(C)
mollusces
6
Which of the following sets of organisms represents the correct trends from simple to complex structural organization? 1. Mollusca 2. Platyhelminthes 3. Nematoda 4. Protozoa
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(D)
4 → 2 → 3 → 1
7
Spirogyra, Euglena and Chlamydomonas share many characteristics EXCEPT
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(C)
mobility
8
The prothallus of fern is equivalent to the gametophyte generation of moss because it
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(C)
bears sexual organ
9
What is the function of Trichocyst in paramecium?
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(B)
Defence
10
The long and coiled intestine of a young tadpole ia an adaptation to its
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(A)
herbivorious diet
11
Lungs hooks are used for respiration in
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(A)
spiders
12
Insects and millipede have many features in common EXCEPT
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(C)
compound eyes
13
The major function of the swim-bladder in fishes is
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(B)
buoyancy
14
Which of the following statements gives the BEST description of bark?
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(B)
Cork-like tissue found only in stems
15
In the transverse section of the leaf of maize vascular bundles are arranged in
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(B)
one circle
16
If an animal has diastema, it would NOT posses
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(B)
cannines
17
If the gall bladder of a mammal is damaged, which of the following will be most seriously affected?
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(C)
Digestion of fats and oil
18
Which of the following will be first digested if ingested at the same time?
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(B)
Cooked rice
19
If the phloem of a healthy plant is killed by heat treatment the
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(B)
food manufactured in the leaves will accumulate
20
In the mammalian respiratory system, exchange of gases occurs in the
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(D)
alveoli
21
The main waste products formed in plants are
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(D)
water, carbondioxide and oxygen
22
In the kidney, the malpighian corpuscles is located in the
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(C)
cortex
23
The skin, through the sweat glands, function as
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(A)
an excretory organ
24
Parenchyma cells are serves as supporting tissue when they
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(D)
become turgid
25
Taxism differs from tropism because
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(A)
the whole organism is affected
26
A dry dehiscent fruit which breaks up into one-seeded part is a
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(A)
schizocarp
27
Airspace are characteristic of seeds of fruits dispersed by
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(B)
water
28
In vegetation propagation, which of the following requires part of another plant to develop?
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(A)
Scion
29
Which of these plants groups are normally propagated by asexual means?
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(A)
Banana, yam, pineapple and cassava
30
In a mammal, the placenta performs functions similar to those to the
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(A)
lungs kidneys and digestive system
31
The radicle of a bean seedling grows most rapidly in the region
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(D)
just below the root tip
32
The main function of the choroid is
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(C)
supply of nutrient to tissue of the eye
33
What part of the central nervous system is concerned with answering an examination question
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(A)
Cerebrum
34
If a dark-skinned woman (Bb) marries an albino man (bb) and they have four children, how many of the children will be dark-skinned?
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(B)
2
35
A red-coloured flower when crossed with a white-coloured one produced pink flowers. This is an example of?
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(B)
blending inheritance
36
The turbidity of a pond can be measured using the
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(B)
secchi disc
37
The most important substance necessary for the maintenance of life are carbon , oxygen
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(D)
nitrogen, salt and water
38
IF an organism obtains its food by means of haustoria, it is said to be
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(D)
parasitic
39
Which of the following relationship involves only one organism?
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(A)
Saprophytism
40
Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats?
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(B)
Salinity
41
Which of these groups of animals is likely to be found in fresh water?
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(B)
Blood worm, pond skater and dragonfly larva
42
One of the characteristics of plants in the savanna is the
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(D)
possession of thick, flaky bark
43
Which of the following diseases can be contracted in areas with fast flowing rivers?
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(D)
Onchoceriasis
44
Which of the following causes pollution?
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(D)
Burning of refuse
45
The mineral nutrient that is most bound to the soil is
