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