Which of the following indicates that Euglena is plant?
პასუხი
(D)
Presence of starch grain
2
Which of the following is a tissue?
პასუხი
(C)
Epidermis
3
The structure that produces ATP is labelled
პასუხი
(A)
VII
4
The structure labelled V is the
პასუხი
(C)
endoplasmic reticullum
5
The major function of the cell membrane is that it
პასუხი
(A)
delimits the cytoplasm
6
Carbohydrates are stored in the animal cell in the form of
პასუხი
(B)
glycogen
7
A piece of yam weighing 1.0 gm was put into some salt solution. After 3 hours, it was removed and weighed.
The recorded weight was 1.2gms. This simple experiment demonstrates that the
პასუხი
(B)
cell sap of the yam is more concentrated than the salt - solution
8
A major reason why the red blood cells can survive in the blood is that the
პასუხი
(A)
blood plasma and the red blood cells are isotonic
9
Which of the following phenomena affects plants growth in an alkaline soil?
პასუხი
(D)
Poor drainage
10
A red blood cell haemolyses when placed in a hypotonic solution because
პასუხი
(B)
the cytoplasm is less dense
11
Which bf the following structures are visible in the cell of a plant during mitosis?
პასუხი
(B)
Homologous chromosomes, nuclear membrane and spindle fibres
12
Display is a phenomenon which occurs when an animal is
პასუხი
(A)
ready for mating
13
The advantages of sexual reproduction include the following except
პასუხი
(D)
it provides means for the variation of chromosome number from generation to generation.
14
Which of the following groups contains a non-supporting structure in animals?
პასუხი
(B)
Pellicle, chitin and bone
15
Which of the following statements is true about blood groupings?
პასუხი
(D)
Group O has no antigen.
16
Which of the following is not a constituent of blood plasma?
პასუხი
(D)
Platelets
17
The process by which plants convey food material to different parts of the body is called
პასუხი
(D)
translocation
18
Which part of the gill of fish is involved in gaseous exchange?
პასუხი
(D)
Gill filaments
19
Which of the following is not a product of fermentation of glucose?
პასუხი
(C)
Lactic acid
20
Which of the following pairs of structures does not perform similar functions?
პასუხი
(B)
Root hair and mammalian hair
21
The effect of the contraction of the muscles of the diaphram is that
პასუხი
(A)
he volume of the thoracic cavity increases.
22
Which of the following is an excretory product of Amoeba?
პასუხი
(B)
Ammonia
23
Which of the following processes occurs when the body temperature of a mammal rises above the normal?
I The arterioles in the skin dilate. II Sweat production is reduced. III The erector muscles contract.
პასუხი
(A)
I only
24
The following functions are associated with the liver except
პასუხი
(D)
production of vitamin
25
Short-sight could be corrected with the use of
პასუხი
(C)
concave lens
26
Which of the following statements about the maize grain is not correct?
პასუხი
(C)
is non-endospermous
27
In mammals, fertilization usually occurs in the
პასუხი
(D)
oviduct
28
Which of the following vertebrates incubate their eggs?
პასუხი
(B)
Birds
29
Which of the following is an agent of pollination of grasses?
პასუხი
(C)
Wind
30
The spinneret found in the caterpillar of butterfly is used for
პასუხი
(D)
production of silk thread
31
Carbon dioxide enters the leaf through the structure labelled
პასუხი
(C)
IX
32
Manufactured food is transported from the leaves through the structure
labelled
პასუხი
(B)
V
33
The pallisade cells are the structures labelled
პასუხი
(A)
III
34
Which of the groups of structures listed below contains chloroplast?
პასუხი
(D)
III, VIII and Xl
35
In which of the following processes is light energy converted to ATP?
პასუხი
(D)
Photosynthesis
36
Which of the following is an evidence of photosynthesis?
პასუხი
(B)
Formation of starch
37
Which of the following organisms is a chemo-autotroph?
პასუხი
(B)
Bacteria
38
Turgidity in the cell of plant does not easily lead to bursting of the cell because the
პასუხი
(C)
cellulose cell wall can resist the turgidity
39
Magnesium is needed by plants for
პასუხი
(D)
formation of chlorophyll
40
Which of the following is not a micronutrient?
პასუხი
(C)
Potassium
41
Loam is the best type of soil for crop production because
პასუხი
(B)
it has high humus content
42
The mineral needed for the formation of haemoglobin is
პასუხი
(B)
iron
43
A-person who fails to detect the bitter taste of a substance swallowed, is more likely to have
პასუხი
(B)
avoided the substance from contacting the back of his/her tongue
44
Which of the following solutions is suitable for removing chlorophyll in a green leaf?
პასუხი
(B)
Methylated spirit
45
Which of the following is not promoted by high wind speed?
პასუხი
(C)
Breeding of plant
46
Micro-organisms which break down dead organisms and absorb their contents are called
პასუხი
(A)
decomposers
47
The substances recycled in the soil by the activities of micro-organisms during the decay of dead organisms
are first utilized by the
პასუხი
(D)
autotrophs
48
Which of the following associations can upset the balance of nature?
პასუხი
(B)
Parasitism
49
Which of the following groups of factors do the Agama lizards compete for? I. Space II. Food III. Mates
პასუხი
(D)
Space, food and mates
50
Which of the following structures in a housefly aids in the transmission of diseases in man?
პასუხი
(A)
Hairs
51
Which of these is not correct about the tse-tsefly and mosquito? They
პასუხი
(C)
have intermediate hosts
52
Which of these is a vector of malaria fever?
პასუხი
(A)
Female anopheles mosquito
53
Fresh milk is often kept in refrigerated vehicles, for distribution to customers in order to
პასუხი
(D)
ensure that the milk is presented for a longer period
54
In medicine, bacteria have proved very useful due to the production of
პასუხი
(B)
antibiotics
55
I. Complexion II. Height III. Blood Rh factor IV. Colour blindness
Which of the above human characteristics are discontinuous variations?