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