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WorksheetsReview IPA Kelas 7 Semester 2
Total questions: 87
Worksheet time: 1hrs 27mins
Basic building blocks of organisms is...
cell
tissue
organelle
organ
External boundary of a cell that separates the cell from its external environment is....
cell membrane
nucleus
vacuole
chlorophlast
Thick layer surrounding the cell membrane of a plant cell is....
cell membrane
cell wall
cytoplasm
nucleus
Organelles in green plant cells that contain the pigment chlorophyll which are responsible in absorbing light energy to make food through photosynthesis. It's called...
cell membrane
nucleus
vacuole
chlorophlast
Contents of the cell, excluding the nucleus, that is bound by the cell membrane. It's called...
cell membrane
cell wall
cytoplasm
nucleus
Structure in the cytoplasm that controls the functions of the cell. It contains genetic material that is transmitted from generation to generation. This genetic material determines the characteristics of the organism. This organelle is ....
cell membrane
nucleus
vacuole
chlorophlast
Fluid-filled structure in the cytoplasm that is surrounded by a membrane. It's called...
cell membrane
nucleus
vacuole
chlorophlast
A group of specialised cells performing a similar function. It's called...
cell
tissue
organelle
organ
A membrane-bound compartment in the cytoplasm that has a specialised function. It's called
cell
tissue
organelle
organ
..... has cell wall.
Plant cell
Animal cell
..... has not chloroplast.
Plant cell
Animal cell
..... has one large vacuole in the central position.
Plant cell
Animal cell
This is a picture of ....
Plant cell
Animal cell
This is a picture of ....
Plant cell
Animal cell
what are the three common state of matter
solid
liquid
gas
chemist
Matter is made up of ....
tiny particle
medium particle
big particle
motion of particle of all matter ....
random
constant
constant and random
The mass of matter remains the ..... during expansion and contraction
conserved
changed
Gases have no definite shape or volume.Thus, gases can be .....
compressed
coloured
heated
The best answer for question number 1 is ....
close together and random arrangement
far apart and random arrangement
The best answer for question number 2 is ....
close together and random arrangement
far apart and random arrangement
The best answer for question number 3 is ....
no definite shape and definite volume
no definite shape and volume
The best answer for question number 4 is ....
no definite shape and definite volume
no definite shape and volume
The best answer for question number 5 is ....
vibrate on the spot
move quickly in all directions
The best answer for question number 6 is ....
vibrate on the spot
move quickly in all directions
The best answer for question number 7 is ....
highest
high
The best answer for question number 8 is ....
highest
high
The best answer for question number 9 is ....
can
cannot
The best answer for question number 10 is ....
can
cannot
The best answer for question number 1 is ....
freezing
melting
evaporation
sublime
The best answer for question number 2 is ....
freezing
melting
evaporation
sublime
The best answer for question number 3 is ....
freezing
melting
evaporation
sublime
The best answer for question number 4 is ....
freezing
melting
evaporation
condesation
The best answer for question number 5 is ....
sublime
crystallize
evaporation
condesation
The best answer for question number 6 is ....
sublime
crystallize
evaporation
condesation
The phase that gain heat are ....
2,3,6
1,4,5
1,3,5
2,4,6
The phase that loss heat are ....
2,3,6
1,4,5
1,3,5
2,4,6
The smallest particle of an element is
atom
nucleus
cell
electron
which one have smallest diameter (average) among this objects?
plant cell
red blood cell
dust particle
bacteria
A unit measurement for very small lengths is ......
the metre
the kilometre
the nanometre
the centimetre
This is a ball-and-stick models for atom....
O2
H2O
CO2
CO
An atom consists mostly of....
empty space
electron
neutron
proton
The positive charge and the negative charge cancel each other out. Hence, an atom is.....
electrically neutral
positive charge
negative charge
Unknown charge
When atom give an electron to other atom, it charge become....
-1
+1
0
-2
when atom get two electron from another atom, it charge become....
-2
-4
0
+2
This atom model by ....
J.J Thomson
Dalton
Schodinger
Rutherford
This atom model by ....
J.J Thomson
Dalton
Bohr
Rutherford
This atom model by ....
J.J Thomson
Dalton
Bohr
Rutherford
This atom model by ....
J.J Thomson
Dalton
Bohr
Rutherford
This atom model by ....
J.J Thomson
Dalton
Bohr
modern science
The chemical formula for carbon monoxide is....
O2
H2O
CO2
CO
The chemical formula for water is....
O2
H2O
CO2
CO
The chemical formula for carbon dioxide is....
O2
H2O
CO2
CO
Based on chemical formula of glucose: C6H12O6
Glucose have
12 Carbon, 6 Hidrogen, 6 Oxygen
6 Carbon, 12 Hidrogen, 6 Oxygen
6 Carbon, 6 Hidrogen, 12 Oxygen
6 Carbon, 6 Hidrogen, 6 Oxygen
An neutral atom of sodium.
Sodium contains 11 protons.
The mass number of sodium is 23.
Sodium has .......... neutrons
12
11
23
34
The total number of protons and neutrons in an atom is called....
mass number
atomic number
proton number
electron number
H2 is .......
molecule of elements
elements
molecule of compound
compound
H2O is .......
molecule of elements
elements
molecule of compound
compound
NH3 is ......
diatomic
triatomic
polyatomic
elements
Elements : Oxygen
mass number = 16
atomic number = 8
Oxygen have ...... electrons
8
16
24
2
Elements : Chlorine
mass number = 35
atomic number = 17
Oxygen have ...... protons
35
17
18
52
Elements : Chlorine
mass number = 35
atomic number = 17
Oxygen have ...... neutrons
35
17
18
52
Light is an important form of....
energy
element
compound
mixture
A thin line of light coming from a source is called a light ....
ray
beam
A bundle of light rays is called a ....... of light
beam
ray
Based on the picture, it produces ..... beams
parallel
divergent
convergent
Based on the picture, it produces ..... beams
parallel
divergent
convergent
Based on the picture, it produces ..... beams
parallel
divergent
convergent
He/she uses a ......... object in front of his/her face.
transparant
translucent
opaque
He/she uses a ......... object in front of his/her face.
transparant
translucent
opaque
He/she uses a ......... object in front of his/her face.
transparant
translucent
opaque
When light is blocked by an opaque object, ......... is formed.
shadow
color
The characteristic of light based on the picture is....
light travels in straight lines
dispersion
reflection
refraction
If the angle of incidence = 60o, the angle of reflection = ....
60o
30o
90o
360o
what kind of reflection based on the picture?
diffuse
regular
what kind of reflection based on the picture?
diffuse
regular
what kind of mirror based on the picture?
plan
convex
concave
what kind of mirror based on the picture?
plan
convex
concave
what kind of mirror placed on the headlights of the car?
plan
convex
concave
She uses ..... to see the object.
periscope
telescope
microscope
lup
The characteristic of light based on the picture is....
light travels in straight lines
dispersion
reflection
refraction
The characteristic of light based on the picture is....
light travels in straight lines
dispersion
reflection
refraction
Shadows are formed because light does not always travel in straight lines
True
False
Reflection occurs only when light rays are reflected off smooth surface.
True
False
Refraction does not occur when light rays travel from one medium to another of the same density.
True
False
The dispersion of white light can only occur as white light passes through a prism.
True
False
A blue object will absorb blue light.
True
False
