Which of these animals is NOT metamerically segmented?
Răspuns
(E)
Shark
4
Some of the major elements required by plants are
Răspuns
(A)
Potassium, nitrogen, phosphorus, sodium, calcium
5
In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is called
Răspuns
(D)
Implantation
6
Kwashiorkor is caused by severe deficiency of
Răspuns
(D)
Proteins
7
An hormoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ?
Răspuns
(E)
Convection
8
Which of these food chains is NOT possible in a forest?
Răspuns
(A)
Diatom → fly → toad → snake
9
If a tall man (TT) marries a dwarf woman (gg) and they have four male children, the offspring will be?
Răspuns
(E)
All tall
10
A married couple has 10 children and they are all girls. Which of the following is the CORRECT explanation?
Răspuns
(E)
The X component of the man’s sex chromosomes was always involved
11
If a 26 year old blind man married a young one-eyed woman and they had four children, how many of them would be blind like their father?
Răspuns
(E)
none
12
The glottis is the opening which leads to the
Răspuns
(B)
Larynx
13
A tapeworm has no alimentary canal because
Răspuns
(D)
Its body absorbs digested food
14
A grass hopper respires by the means of its
Răspuns
(E)
Tracheal tubes
15
An onion bulb stores its food in the
Răspuns
(B)
Leaves
16
Roots of plants are normally
Răspuns
(D)
Positively hydrotropic
17
The main function of the swim-bladder is for
Răspuns
(C)
Buoyancy
18
Which of the following pairs are the products of sucrose hydrolysis?
Răspuns
(C)
Glucose + fructose
19
Which of the vertebra has a projection called odontoid process?
Răspuns
(B)
Axis
20
Refrigeration, as a method of preservation, has ONE of the following characteristics:
Răspuns
(C)
Makes the bacteria inactive
21
Treatment of a poor soil with lime supplies
Răspuns
(B)
Calcium
22
In the enzyme (amlyase) reactions of starch → sugar
starch is referred to as the
Răspuns
(A)
substrate
23
ONE of the major causes of haemophilia is lack of
Răspuns
(A)
firbrinogen
24
In man, identical twins occur when
Răspuns
(A)
An ovum is fertilized by a sperm and then divide into two, each forming a separate embryo
25
The parts of the mammalian eye that strongly bend light rays are the
Răspuns
(A)
cornea and the lens
26
Which of these statements is NOT true of insects?
Răspuns
(C)
Their thorax comprises three segments, only two of which bear a pair of appendages each
27
when an operculate fish breathes it takes in water through the
Răspuns
(B)
mouth and passes it out through the operculum
28
Which of the following tissue are made up of dead cells?
Răspuns
(B)
Xylem vessels
29
External ears of mammals consist of
Răspuns
(D)
auditory meatus and pinna
30
Any dry fruit which can break into several parts each containing one seed is a
Răspuns
(D)
schizocarp
31
Which of the following is NOT a function of mammalian blood?
Răspuns
(B)
Production of hormones
32
The maize grain is regarded as a fruit and not a seed because
Răspuns
(D)
there is the remain of a style
33
Which of these parts of the mammalian ears is directly concerned with the sense of balance?
Răspuns
(E)
Semicircular canals
34
When freshly tapped palm wine was kept overnight it was found to be more alcoholic. This effect must have been due to
Răspuns
(E)
anaerobic respiration of an organism
35
If a farmer left his land uncultivated for five years before returning to it, he must be practising
Răspuns
(E)
the bush fallow system
36
A pyramid of numbers can be defined as
Răspuns
(C)
the numerical relationships of a food chain
37
In man, spermatozoa are never found in the?
Răspuns
(D)
prostrate glands
38
Which of the following statements is TRUE of inhalation of air by man?
Răspuns
(E)
Size of thoracic cavity increase
39
If the gall bladder of a man is removed by surgery, which of the following processes will be most seriously affected?
Răspuns
(A)
Digestion of fats and oil
40
Flatworms and roundworms are said to be invertebrates because
Răspuns
(D)
they have no backbones
41
Where is the energy produced in a cell?
Răspuns
(E)
Mitochondria
42
In which part of a leguminous plant can you find bacteria like Azotobacter?
Răspuns
(D)
In nodules
43
The three blood vessels that supply the mammalian alimentary canals are
Răspuns
(B)
coeliac artery, anterior mesenteric artery and posteroir mesenteric artery
44
In an epigeal germination, it is the
Răspuns
(B)
hypocotyl that elongates fast
45
The mammalian pancreas is involved with the?
Răspuns
(D)
digestion of food, production of hormone and the regulation of blood sugar
