NEW
Font size
WorksheetsScience Revision
Total questions: 55
Worksheet time: 46mins
what does a prism do to white light
focuses it into the colour spectrum
reflects it into the colour spectrum
refracts it into the colour spectrum
what are the primary colours
red green and yellow
blue red and purple
orange blue and yellow
red green and blue
what are the three main types of radiation ?
Alpha, Beta , Gramm
Beta, Gamm and ions
ions, emissions, gamma
alpha, beta and gamma
What state would water be in at -5 Degrees?
Liquid
Solid
Gas
Banana
Which of these objects will conduct electricity?
Rubber
String
Pipe
Steel
What change is not reversible?
Ice lollies melting
Jelly setting
Burning wood in a bonfire
Dissolving salt
does the image get flipped when using a pinhole camera
yes
no
What are the uses for Beta Radiation?
traces for medical images
preserving human bodies
smoke detectors
treatment for cancer
An “inference” is described as....
An evidence trail that can be replicated.
A guess where no evidence is available.
Complete proof as fact.
An assumption based on previous experiences.
i) Sensory neurone
ii) Impulse neurone
iii) relay neurone
iv) motor neurone
Produces the hormone insulin and glucagon, which controls the level of glucose in the blood.
Thyroid Gland
Pancreas
Thymus Gland
Pituitary Gland
The diagram shows a neuron.
What is labelled X?
Axon
Dendrite
Dendron
Myelin sheath
Which of the following is a centre nerve system component?
Brain
Cranium
Spinal nerve
Somatic nerve
The following information shows the parts that are involved in a reflex arc.
Which of the following impulse pathways is correct?
P Q R S T
T S R P Q
R P S Q T
T S P R Q
Diagram shows the impulse pathway in a human knee-jerk.
What is X?
Brain
Muscle
Tendon
Spinal cord
Which activity involves proprioceptor?
Singing
Reading
Cycling
Thinking
Where propriceptor can be found?
Muscle
Receptor
Cerebrum
Brain
Deficiency of which element causes the thyroid gland to swell?
Calcium
Sodium
Iron
Iodine
Sand and salt are placed in the bottom of a beaker filled with water. The beaker is heated, and the water is stirred.
What will happen to the salt and sand?
The sand and salt will settle to the bottom.
The sand and salt will dissolve in the water
The salt will dissolve, and the sand will settle
The sand will evaporate, and the salt will dissolve.
Study the following information
Heat insulator
Low melting point
Do not conduct electricity
Which substance below has the above characteristics?
Sulphur
Calcium
Sodium chloride
Lead bromide
Which of the following represents the particles of liquid?
The diagram shows the changes in the states of matter.
Which of the following A, B, C or D represents boiling process?
A
B
C
D
The diagrams show the structures of atoms M and N
What is the difference between atoms M and N?
The proton number
The number of neutron
The number of electron
The number of proton and electron
Based on the following table, which elements are isotopes?
K and L
K and M
M and N
L and M
The elements in the Periodic Table are grouped according to its
proton number
nucleon number
number of neutrons
number of electrons
The diagram shows a part of periodic table.
Which of the following are true about elements X and Y?
I Proton number Y is 7
II X is a metal element
III Y has 9 electrons
I and II only
I and III only
II and III only
I, II and III
Purification of substances can be done through
I evaporation
II distillation
III crystallization
I dan II only
I dan III only
II dan III only
I, II dan III
A mixture of ethanol and water can be separated by
crystallization
evaporation
distillation
filtration
Which statement is correct about meiosis?
It happens in a somatic cell
The nucleus divides twice
It maintains the number of chromosomes
Each parent cell produces two daughter cells
The diagram below shows a process of a cell division.
What is the importance of process X?
Produce gamete
Replace broken and dead cells
Produce variation among offsprings
Ensure the function of daughter cell is different from the parent cell
The following information shows a tall tree crossed with a pure-breeding dwarf tree.
What is the expected ratio of the number of tall trees to the number of dwarf trees in the offspring?
1 : 1
3 : 1
2 : 1
1 : 3
The diagram below shows the inheritance of hair colour in rabbits.
Dominant gene produces black fur while recessive gene produces white fur.
What is the percentage of having white fur offspring?
25%
50%
75%
100%
Which of the following is a recessive trait?
Blue eyes
Curly hair
Attached earlobe
Able to roll tongue
A human sperm contains
22 + X chromosomes
22 + XY chromosomes
44 + X chromosomes
44 + Y chromosomes
Identical twins are similar in most characteristics except
Gender
Genetic content
Looks
Fingerprint
The diagram shows a type of twin
What are the characteristics of the twins?
Involves one ovum
Involves one sperm
Does not share placenta
Fertilised ovum splits into two
Which of the following is caused by chromosome mutation?
Albinism
Colour blindness
Haemophilia
Klinefelter’s syndrome
Which of the following is an example of a continuous variation?
Gender
Height
Blood group
Tongue-rolling ability
Inherited traits are controlled by
nucleus
chromosomes
genes
cells
Which of the following results in creating genetic recombination (creates variation in the gametes from meiosis)?
alleles
crossing over
genes
hybrid crosses
What is the name of a genotype that is represented by two capital letters? (for example, TT)
heterozygous
homozygous dominant
homozygous recessive
phenotype
A cell undergoing meiosis has 16 chromosomes. How many chromosomes should be in each new cell at the end of meiosis?
4
8
16
32
During meiosis, each diploid parent cell divides _____ and produces _____ haploid daughter cells.
once, two
once, four
twice, two
twice, four
