Which of these animals is NOT metamerically segmented?
отговор
(E)
Shark
4
Some of the major elements required by plants are
отговор
(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
отговор
(D)
Implantation
6
Kwashiorkor is caused by severe deficiency of
отговор
(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 ?
отговор
(E)
Convection
8
Which of these food chains is NOT possible in a forest?
отговор
(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?
отговор
(E)
All tall
10
A married couple has 10 children and they are all girls. Which of the following is the CORRECT explanation?
отговор
(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?
отговор
(E)
none
12
The glottis is the opening which leads to the
отговор
(B)
Larynx
13
A tapeworm has no alimentary canal because
отговор
(D)
Its body absorbs digested food
14
A grass hopper respires by the means of its
отговор
(E)
Tracheal tubes
15
An onion bulb stores its food in the
отговор
(B)
Leaves
16
Roots of plants are normally
отговор
(D)
Positively hydrotropic
17
The main function of the swim-bladder is for
отговор
(C)
Buoyancy
18
Which of the following pairs are the products of sucrose hydrolysis?
отговор
(C)
Glucose + fructose
19
Which of the vertebra has a projection called odontoid process?
отговор
(B)
Axis
20
Refrigeration, as a method of preservation, has ONE of the following characteristics:
отговор
(C)
Makes the bacteria inactive
21
Treatment of a poor soil with lime supplies
отговор
(B)
Calcium
22
In the enzyme (amlyase) reactions of starch → sugar
starch is referred to as the
отговор
(A)
substrate
23
ONE of the major causes of haemophilia is lack of
отговор
(A)
firbrinogen
24
In man, identical twins occur when
отговор
(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
отговор
(A)
cornea and the lens
26
Which of these statements is NOT true of insects?
отговор
(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
отговор
(B)
mouth and passes it out through the operculum
28
Which of the following tissue are made up of dead cells?
отговор
(B)
Xylem vessels
29
External ears of mammals consist of
отговор
(D)
auditory meatus and pinna
30
Any dry fruit which can break into several parts each containing one seed is a
отговор
(D)
schizocarp
31
Which of the following is NOT a function of mammalian blood?
отговор
(B)
Production of hormones
32
The maize grain is regarded as a fruit and not a seed because
отговор
(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?
отговор
(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
отговор
(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
отговор
(E)
the bush fallow system
36
A pyramid of numbers can be defined as
отговор
(C)
the numerical relationships of a food chain
37
In man, spermatozoa are never found in the?
отговор
(D)
prostrate glands
38
Which of the following statements is TRUE of inhalation of air by man?
отговор
(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?
отговор
(A)
Digestion of fats and oil
40
Flatworms and roundworms are said to be invertebrates because
отговор
(D)
they have no backbones
41
Where is the energy produced in a cell?
отговор
(E)
Mitochondria
42
In which part of a leguminous plant can you find bacteria like Azotobacter?
отговор
(D)
In nodules
43
The three blood vessels that supply the mammalian alimentary canals are
отговор
(B)
coeliac artery, anterior mesenteric artery and posteroir mesenteric artery
44
In an epigeal germination, it is the
отговор
(B)
hypocotyl that elongates fast
45
The mammalian pancreas is involved with the?
отговор
(D)
digestion of food, production of hormone and the regulation of blood sugar
