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BİYOLOJİ - FEN BİLGİSİ (İNGİLİZCE - TÜRKÇE) ÖĞRETMENİ
Yarışma Sınavı
A
1
Which of the following parts of a cell is known as
protoplasm?
A)
B)
C)
D)
E)
A
4
Nucleus and Mitochondria
Cytoplasm and Nucleus
Cell membrane and Nucleus
Cell membrane and Cytoplasm
Nuclear Membrane and Cytoplasm
A cell with a diploid number of 14 chromosomes
undergoes meiosis. What will be the product at the
end of meiosis?
A)
B)
C)
D)
E)
2
Which process allows the movement of molecules
that are too large to pass in through a cell surface
membrane?
5
Which process does not depend on respiration?
A)
A)
B)
C)
D)
E)
Diffusion
Active transport
Endocytosis
Exocytosis
Facilitated diffusion
B)
C)
D)
E)
6
3
Which of the following is not a feature of
enzymes?
2 cells each with 7 chromosomes
4 cells each with 7 chromosomes
4 cells each with 14 chromosomes
2 cells each with 14 chromosomes
6 cells each with 7 chromosomes
conduction of nervous impulses
diffusion of glucose
active uptake of ions
muscle contraction
selective reabsorption in kidneys
Which pathogen must spend part of its life cycle in
two different hosts?
A)
Human immuno-deficiency virus
Mycobacterium tuberculosis
C ) Plasmodium
D ) Ringworm
E ) Pneumococcus
A)
Enzymes are affected by temperature
B ) Enzymes are fibrous proteins
C ) Enzymes lower activation energy
D ) Enzymes are very specific to the reaction they
catalyse
E)
Enzymes are affected by the number of substrate
molecules
B)
7
Which of the following kingdom has no nucleus?
A)
B)
C)
D)
E)
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Protoctist
Plants
Fungi
Prokaryotes
Animals
1
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Yarışma Sınavı
A
8
Which of the following group of organisms have
cell wall made of peptidoglycan?
A)
B)
C)
D)
E)
A
11
Fungi
Viruses
Plants
Bacteria
Animals
Carbon dioxide is removed from the body through
the lungs. The correct pathway taken by a
molecule of carbon dioxide out of the lungs is
A)
B)
C)
D)
E)
9
Several species of bacteria have been found deep
under the Pacific Ocean, where hot water escapes
from the sea bed.
12
In these marine ecosystems, the bacteria can use
hydrogen sulphide as an energy source to
fix carbon dioxide into organic molecules. When
the bacteria break down, organic material is
released, which filter feeders consume.
This information indicates that the bacteria are
A)
B)
C)
D)
E)
10
Which of the following is correct bond which
forms to maintain secondary structure of
proteins?
A)
Hydrogen bond between R groups of amino acids
B ) Hydrogen bond between carboxyl group of one
amino acid and hydrogen group of another amino
acid
C)
Ionic bond between adjacent amino acids
D ) Ionic bond between R group of one and carboxyl
group of another amino acid
consumers
detritivores
autotrophs
heterotrophs
decomposers
Classification relies on arranging organisms that
are most alike into groups. Choose from the lists
below the correct arrangement of groups, from
most to least inclusive.
trachea → bronchioles → bronchi → alveoli
alveoli → bronchi → bronchioles → trachea
trachea → bronchi → bronchioles → alveoli
alveoli → bronchioles → bronchi → trachea
alveoli → bronchioles → trachea → bronchi
E)
13
Hydrogen bond between R group of ane and
Hydrogen group of another amino acid
Which substance contains carbon, hydrogen,
oxygen, phosphate and nitrogen?
A)
Triglyceride
Glycogen
C ) Amylopectin
D ) Glycerol
E ) DNA
B)
A)
domain - kingdom - class - phylum - family genus
B)
domain - kingdom - class - family - genus phylum
C)
kingdom - phylum - class - order - family - genus
D ) kingdom - class - phylum - order - family - genus
E ) species - family - phylum - class - Kingdom
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Yarışma Sınavı
A
14
100 g of lentil contains 5 g of protein. How many
grams of lentil would provide a daily protein
requirement of 80 g?
A)
B)
C)
D)
E)
15
A
18
1600 g
400 g
16 g
6.25 g
4000 g
Which property of water minimises temperature
changes in cells and organisms?
The diagram above shows the human heart. What
structures are indicated by the labels X, Y and Z?
A)
X : Right atrium
Z : Semilunar valve
Y : Pulmonary artery
B)
X : Left atrium
Z : Atrio-ventricular valve
Y : aorta
C)
X : Left atrium
Z : Semilunar valve
Y : aorta
D)
X : Right atrium
Z : Atrio-ventricular valve
Y : Pulmonary artery
E)
X : Right atrium
Z : Semilunar valve
Y : aorta
A)
adhesion
cohesion
C ) heat of vaporisation
D ) maximum density at 4oC
E ) specific heat capacity
B)
16
Why is coronary heart disease described as a
degenerative disease?
A)
B)
C)
D)
E)
17
It is the result of a genetic disorder.
It is made worse by a vitamin deficiency.
It is transmitted by a vector.
It becomes worse with time.
It is an ancient disease
Which component of tobacco smoke has very high
affinity to haemoglobin?
A)
B)
C)
D)
E)
tar
carbon monoxide
nicotine
carbon dioxide
Formaldehyde
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Yarışma Sınavı
A
19
A
22
A person produces 0·75 litres of urine in 24 hours.
This urine contains 15g of urea.
What is the concentration of urea in this urine?
A)
B)
C)
D)
E)
11.25 g/litre
1.0 g/100cm3
2.0 g/100cm3
2.0 g/litre
1.125 g/100 cm3
What type of blood cell is X and what is
happening at Y?
A)
X is a neutrophil and bacteria being ingested at Y
B ) X is a lymphocyte and antibodies being ingested
at Y
23
Which of the following is not a feature of muscle
fibres?
A)
Internal membranes releases calcium ions for
muscle contraction
B)
Cell membrane of muscle fibre is called
sarcolemma
C)
X is a lymphocyte and bacteria being ingested at Y
X is a monocyte and bacteria being ingested at Y
E ) X is a neutrophil and antibodies being ingested at
Y
D)
C)
Contain many mitochondria
Each muscle fibre contain one nucleus
E ) Network of internal membranes called the
sarcoplasmic reticulum.
D)
20
Which of the following is not the main symptom of
the Parkinson's disease?
A)
B)
C)
D)
E)
21
Feeling of sadness
Tremor of the muscles
Slowness of movement
Stiffness of muscles
Poor Balance
Which part of the brain is responsible for
controlling the breathing rate and depth?
A)
Hypothalamus
Cerebral hemisphere
C ) Medulla oblangata
D ) Cerebellum
E ) Hippocampus
B)
24
Which of the following feature/s is/are present in
slow twitch fibres but not in fast twitch fibres?
I. have more mitochondria
II. have low glycogen
III. more sarcoplasmic reticulum
A)
II and III only
I and III only
C ) I and II only
D ) I only
E ) I, II and III
B)
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Yarışma Sınavı
A
25
Which of the following stages of the cell cycle
occurs immediately before to mitosis?
A)
B)
C)
D)
E)
26
A
28
A)
S
M
G2
G1
prophase
Homologous chromosomes line up in pairs in
Which two colours of light does chlorophyll
absorb most?
B)
C)
D)
E)
29
A)
interphase.
metaphase II.
C ) metaphase I.
D ) metaphase of mitosis.
E ) prophase of mitosis.
B)
Red and yellow
Green and blue
Red and green
Green and yellow
Red and blue
There are alternative routes that water moves
from root hair cells through cortex to xylem.
Which route moves water freely through cellulose
cell walls?
A)
Symplast pathway
Synoptic pathway
C ) Vacuolar pathway
D ) Apoplast pathway
E ) Cell Membrane pathway
B)
27
30
Producers convert the Sun's energy into organic
material.
Gross primary productivity (GPP) refers to the
rate at which energy is incorporated into plants.
Net primary productivity (NPP)is the energy
stored in plant tissues.
Respiration is the releasing energy in the form of
ATP. (R)
The diagram above shows a transverse section of a
dicotyledon stem.
Which part(s) is/are involved in carrying products
of photosynthesis up the stem?
Which of the following formula is used for Net
Primary Productivity(NPP) in Plants?
A)
A)
B)
C)
D)
E)
II only
III only
I and II only
I only
I and III only
NPP=R-GPP
NPP=GPP×R
C ) NPP=GPP-R
D ) NPP= GPP÷R
E ) NPP=R÷GPP
B)
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Yarışma Sınavı
A
31
On decomposition, which substance in decaying
plants is the major source of carbon for carbon
dioxide production by the microorganisms
involved?
A
34
Which of the following term explains the property
of genetic code explained above?
A)
glucose
amylose
C ) starch
D ) cellulose
E ) sucrose
A)
Codon
Anticodon
C ) Degenerate code
D ) Non-overlapping
E ) Overlapping code
B)
32
Which of the following terms is used for the plants
which colonise first in primary succession in an
ecosysetm?
A)
Sere
Climax community
C ) Pioneer species
D ) Plagioclimax
E ) Intermediate community
B)
33
If high levels of nitrates are washed into rivers, the
following changes may occur, causing fish to die
which is known as eutrophication
1 Water plants die and fall to the bottom.
2 Bacteria multiply rapidly.
3 Concentration of oxygen in the water decreases.
4 Increased growth of microscopic algae makes the
water green.
Genetic code is based on triplets. Many triplets
can code for the same aminoacid.
B)
35
One cause of cystic fibrosis is a mutation in the
CFTR gene which codes for 1480 amino acids. The
most common mutation results in the deletion of
one amino acid.
Which answer below shows correctly the number
of nucleotides in the mutated gene and the number
of amino acids in the protein that is synthesised?
A)
4437 nucleotides in the mutated gene and 1479
amino acids in the protein synthesised
B)
4431 nucleotides in the mutated gene and 1477
amino acids in the protein synthesised
C)
4439 nucleotides in the mutated gene and 1479
amino acids in the protein synthesised
D)
4439 nucleotides in the mutated gene and 1480
amino acids in the protein synthesised
E)
4431 nucleotides in the mutated gene and 1479
amino acids in the protein synthesised
In which order do these changes take place?
A)
B)
C)
D)
E)
1→4→3→2
3→2→4→1
4→1→2→3
2→3→1→4
3→4→2→1
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Yarışma Sınavı
A
36
Which of the following would NOT be used to
determine time of death?
A)
B)
C)
D)
E)
37
A
40
A)
Degree of rigor mortis
Oedema
Body temperature
Decomposition
Forensic entomology
Why is the genetic code described as degenerate?
B)
C)
D)
E)
41
A)
For photosynthesis in eukaryotes
For gene transfer in genetic modification
C ) For respiration in prokaryotes
D ) For protein synthesis in prokaryotes and
eukaryotes
Some codons can cause translation to stop.
D ) The genetic code is non-overlapping.
E ) Codons can change through mutation.
A)
B)
C)
D)
E)
Two genotypes; two phenotypes
Three genotypes; two phenotypes
Two genotypes; three phenotypes
Four genotypes; three phenotypes
Two genotypes; one phenotype
How are plasmids used in biotechnology?
B)
C)
Blood group genotype of a husband is AB and
wife is homozygous A. Among the blood groups of
their children how many different genotypes and
phenotypes are possible?
E)
42
Which of the following conditions will directly
effect enzyme activity of microorganisms?
A)
B)
D)
Hair and skin colour in humans are examples of
For testing antibiotic resistance in eukaryotes
Industrial fermenters are large tanks used in
biotechnology that enable the environmental
conditions carefully controlled so that
microorganisms will yield their product more
efficiently.
C)
39
Community
Abiotic factors
Niche
Habitat
Adaptation
A)
The genetic code is the same in all organisms.
B ) More than one codon can represent one amino
acid.
38
Which of the following terms describe the way
that species use its environment?
E)
Nutrients - Temperature
Temperature - Oxygen
Oxygen - Carbon dioxide
PH - Temperature
Nutrients - Oxygen
A)
random assortment
polygenic inheritance
C ) co-dominance
D ) discontinuous variation
E ) incomplete dominance
B)
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Yarışma Sınavı
A
43
A charged particle with constant velocity enters a
uniform magnetic field whose direction is parallel
to the particle's velocity. The particle will
A
45
Which one of the following quantities is correctly
matched to its unit?
A)
A)
B)
C)
D)
E)
speed up.
experience no change in velocity.
follow a parabolic arc.
slow down.
follow a circullar arc.
B)
C)
D)
E)
46
44
Potential difference - J/C
Energy - kW
Current - A/s
Power - kW·h
Resistance - V/C
Which of the following correctly describes the
difference between microwaves and radio waves?
A)
Microwaves are used for communication but not
radio waves.
B)
Microwaves are electromagnetic waves, while
radio waves are sound waves.
C)
Microwaves carry energy but radio waves do not.
D ) Microwaves travel faster in vacuum than radio
waves.
The diagram above represents a lamp, a 10-volt
battery, and a length of nichrome wire connected
in series. As the temperature of the nichrome is
decreased,
E)
Radio waves can go around a building but
microwaves cannot.
A)
the brightness of the lamp will increase
B ) the potential difference across the lamp remains
the same
47
An obsever hears a sound with frequency 400Hz.
Its wavelength is approximately
C)
A)
D)
B)
the power supplied by the battery decreases
the current passing through the wire decreases
E ) the potential difference across the battery increases
13,6 m
0,85 m
C ) 2,75 m
D ) 1,2 m
E ) 44 m
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A
48
When a metal bar is cooled it contracts. Which
statement is true?
A)
B)
C)
D)
E)
49
A
50
Volume increase
Density and mass stays the same
Density and mass decrease
Density decrease , mass stays the same
Mass stays the same , density increases
A 20kg table top is to be supported by four 2kg
legs. Adjacent legs are held together by a
horizontal 1kg strut at a height 10cm above the
floor. The force exerted by each leg on the floor
will be approximately
(g=10m/s2)
The weights shown in figure above are balanced
on strings and pulleys of negligible mass and
friction. The masses mA and mB are not the same.
If mass A is pulled down by a distance h, how far
does mass B moves?
A)
70N
50N
C ) 80N
D ) 60N
E ) 100N
B)
A)
4h
2h
C ) h/2
D) h
E ) 8h
B)
51
A freely falling body is found to be moving
downwards at 27m/s at one instant. If it continous
to fall, one second later the object would be
moving with a downwards velocity closest to:
(g=10N/kg , no friction)
A)
B)
C)
D)
E)
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17 m/s
27 m/s
37 m/s
270 m/s
10 m/s
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A
52
I. They are not shiny.
II. They are in Group 1 of the periodic table.
III. They show metallic properties.
A
54
Which one(s) of the properties given above belong
to the halogens?
A)
B)
C)
D)
E)
I, II and III
Only I
Only II
I and II
I and III
53
The following table shows some physical changes.
Which physical change is/are wrong?
(Solid : S, Liquid : L, Gas : G)
A)
B)
C)
The numbers of neutrons, protons and electrons
present in four species are shown.
D)
E)
Which two species are of the same element?
R and T
Q, R and T
W and Y
Q and T
E and R
A)
C and D
B and D
C ) A and C
D ) B and C
E ) A and D
B)
55
The proton number of helium is 2. What
information does this give about helium?
A)
B)
C)
D)
E)
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Its atom has two electrons.
Its atom is twice as heavy as a hydrogen atom.
It is a Group II element.
Its molecule has two atoms.
It has 2 neutrons.
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A
56
57
Formation of an ionic bond is because of;
A)
The electron transfer between a metallic and a non
metallic elements.
B)
The electron sharing between two non metallic
elements.
C)
The electron transfer between two metallic
elements.
D)
The electron transfer between two non metallic
elements.
E)
The electron sharing between two metallic
elements.
59
Which one of the following is a property of bases?
A)
B)
C)
Bases mostly have a slippery feel.
They all dissolve in water to produce basic
solutions.
According to this information, which of the
following reactions can take place?
They all react with water to produce a salt and
hydrogen gas.
A)
They are soluble in organic solvents.
E ) Some of them react vigorously with acids and
catches fire immediately.
C)
D)
58
A
B)
D)
E)
Potassium and lithium nitrate
Iron and zinc sulfate
Copper and lithium sulfate
Silver and sodium sulfate
Sodium and potassium chloride
Which one of the following is not a useful way to
reduce or prevent air pollution?
A)
Reducing burning of fossil fuels
B ) Stop using air conditiners at homes
C ) Stop using substances that are harmful to ozone
layer
D ) Stop releasing gases to the atmosphere from
factories
E)
Stop generating electicity from generators that use
gasoline
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A
60
Which one of the following is correct for the flame
colour of the elements when react with water?
A)
Potassium : Red
Sodium : Red
Lithium : Yellow
B)
Potassium : Lilac
Sodium : Red
Lithium : Does not burn
C)
Potassium : Lilac
Sodium : Yellow
Lithium : Does not burn
D)
Potassium : Lilac
Sodium : Red
Lithium : Yellow
E)
Potassium : Red
Sodium : Yellow
Lithium : Yellow
TEST BİTTİ
CEVAPLARINIZI KONTROL EDİNİZ
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12

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