問題一覧
1
what is not a mineral
conglomerate
2
write 2 streamline shaped animals
fish bird
3
write 3 vertebrates
Sea gull fish turtle
4
what are the plants with the roots os mimosa
beans winged beans
5
select the 2 parts in the digestive system
oesophagus pharynx
6
what is this soil type ?
loamy soil
7
what are the soil organisms ?
bacteria fungi
8
what is the tissue transport water to the plant
xylem tissue
9
what is this diagram ?
an androecium
10
In which layer is the ozone situated
in stratosphere
11
what are the areas can found the mica and kaolin
wariyapola and mitiyagoda
12
write 2 ways of air polluting
destroying forests the carbon monoxide poison in factories
13
what is this image ?
electron microscope
14
which letter turns when it there infront a plane mirror
b
15
plant bear vegetative propagation
akkapana begonia
16
who named the mineral Ekanite
scientist F.L.D. Ekanayake
17
what is the diseases caused by lack of vitamin A and vitamin D respectively
bitos spots rickets
18
what is the coldest layer in Atmosphere ?
mesosphere
19
complete the other part by choosing, milk , butter , coconut are --------------------------
lipids
20
what is this root type ?
prop roots
21
write the instruments respectively to the, strings / bars / membranes/ air column
guitar, organ, base drum, trumpet
22
write 2 foods particular to vitamin C
papa lime
23
what is the temperature range short in the clinical thermometer?
( 35c - 43c )
24
what is the present of the air in troposphere
75
25
is this sentence belong to pull or push hitting from a ball
push
26
what is the basic functional and structural unit of the life
cell
27
what are the multiples of these images numbers formed 3 , 5 , 11
90 60 30
28
who find the static electricity first?
William gilbert
29
write 3 parts of a leave
leaf margin leaf base leaf midrib
30
write 2 streamline shaped animals
fish bird
31
divide to the separate columns salviniya,shoe,coconut
nonflower flower parallel venation
32
tell a tissue in stomach
blood tissue
33
write 2 examples to heat insulators
plastic cloth
34
what are the acids can seen in the laboratory
hydrochloride acid sulphuric acid
35
what is the main parts of the plants
shoot system root system
36
what made undergoing of granite,igneous
gneiss and metamorphism
37
what is the international unit of measuring force?
Newton (N)
38
what is this ?
sandstone
39
write the instrument that not related to vibration of strings
flute
40
what is this ? where it is located ?
San Andrea's fault in North america
41
what is soil erosion ?
The removal of the top soil layer due to water,wind or animals in certain location
42
what is this image ?
penumbra
43
an external part of a flower
stigma
44
what is this ?
mica
45
write the 2 applications of conventional currents
Sea breeze land breeze
46
what are the parts of the earth
crust,mantle,core
47
what is this scale type ?
farenhite scale
48
what are the mediums of sound
solid, liquid, gas
49
what are the 3 soil types?
top soil suhb soil bed rock
50
what is the shoot system of a plant?
the upper part of the plant