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↑
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 Science

38 questions | 90 minutes

1.=
A place where an organism lives and reproduces is known as its
A. Community
B. Population e
&
C. Habitat
D. Ecosystem l

2. Which of the following is true ?

gA. Purpose of Meiosis is to produce gametes for sexual reproduction
B. Purpose of Meiosis is to produce new cells for growth and replacement of damaged
and dead cells.
C. Mitosis invokes two nuclear divisions
D. Meiosis have two daughter cell

3. The study of heredity is know as ?

=
A. Traits
GB. Genetics
C. Reproduction
D. Fertilization

4. Chromosomes are made of ?

CA. Deoxyribonucleic acid and proteins only
B. Fats and carbohydrates only
C. Deoxyribonucleic acid, proteins and fats only
D. Proteins and fats only

5. In humans, a dominant allele C produces curly hair and recessive allele c produces
straight hair. Which genotype is homozygous recessive?
A. CC = T
B. Cc CC
C. cC
G D. cc

e
6. This picture shows three bulbs arranged in a parallel circuit.

X *
Wor
~

M poster

~
#

What is the current for x in this picture

A. 6.0 A
B. 1.5 A
C. 2.0 A
D. 2.5 A
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 7. What is Wavelength mean?
A. The highest point of wave
CB. The distance between two consecutive equivalent points on a wave
C. The time taken to make a complete oscillation
D. The maximum displacement by a point on a wave

Displacement ( (cm.)

8. 0 5

·
↑ 0.6
>Time (S)

- 0.

This picture shows a displacement-time graph. What is the amplitude of the

wave?
A. 0.5 cm
B. -0.5 cm
C. 2 cm
D. 22.5 cm

-
9. Write a balanced chemical equation for the reaction.

3
1N + __H — 2NH
2 2 3

A. 1
B. 2
C. 3
O
D. 4

10. Construct a Punnett square to determine the probability of short pea plants
if a homozygous tall plant (TT) is crossed with a heterozygous tall plant (Tt)

Probability of short pea plants: __________

Probability of tall pea plants: ____________
in
11. In rabbits, a dominant allele B gives black fur and a recessive allele b gives
white fur. What is the phone type for the genotype Bb?

A. Grey hair
B. Black fur
C. White fur
D. Red fur

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 X
12. Which of the following is true?

A.

B.
·
&
&
C.

&
D.

bacteria food source

yeti crab use as a

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Electricity is a vital force in our lives, generated from various sources like fossil fuels and
renewables. It powers devices through circuits where electrons flow, facilitated by
conductors like metals. Electromagnetism, a result of electric currents interacting with
magnetic fields, drives technologies such as electric motors and generators. Electricity
also enables communication and information exchange, powering devices like
computers and smartphones.

-
13. Which of the following best describes the concept of an electric current?
A. A flow of magnetic fields in a conductor
B. A flow of charged particles in a circuit
C. A measure of the potential difference between two points
D. A measure of the resistance to the flow of electricity

14. This table describes the 4 tropic levels:

Based on the tables which of the following animals would be classified as a secondary
consumer?

A. Deer
B. Great white shark
C. Squirrel
D. Anteater

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 15. As part of a study on how skin type and redness correlate when exposed to different
amounts of UV light, a scientist set up an experiment to see how much redness occurred
on various skin types. The scientist classified 100 people into six different categories of
skin type, then exposed them to increasingly higher doses of UV light and recorded the
level of redness that appeared on the skin.

Which is an independent variable and which is a dependent variable in this experiment?

A. An independent variable is the skin type; a dependent variable is the amount of UV

light.
B. An independent variable is the redness; a dependent variable is the amount of UV
light.
C. An independent variable is the amount of UV light; a dependent variable is the skin
type.
D. An independent variable is the skin type; a dependent variable is the redness.
3

X16. What is 1% of 5 x 10 ?

A. 50
B. 500
C. 5,000
D. 50,000

In a series of recent experiments, scientists investigated the effects of acid rain on aquatic
ecosystems. The experiments aimed to simulate real-world conditions and evaluate the
impact of varying acidity levels on aquatic life. To conduct these experiments, researchers
exposed different water samples to controlled amounts of acidic substances, mimicking
acid rain. The samples were monitored over several weeks to observe changes in pH
levels, aquatic plant growth, and the overall health of aquatic organisms.

17. What is the independent variable in the acid rain experiments?

a. pH levels of water samples

b. Aquatic plant growth
c. Overall health of aquatic organisms
d. The amount of acidic substances in water samples

18. Which factor is considered a control variable in the experiments?

a. pH levels of water samples

b. Aquatic plant growth
c. Overall health of aquatic organisms
d. The temperature of the laboratory environment

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 Genetic Inheritance and Traits

Genetic inheritance plays a crucial role in determining an individual’s traits and

characteristics. The information encoded in DNA is passed from parents to offspring,
shaping everything from physical appearance to certain behaviors. The basic unit of
inheritance is the gene, a segment of DNA that codes for a specific trait. Genes come in
pairs, with one inherited from each parent.

Dominant and recessive traits further influence the expression of characteristics.

Dominant traits mask the effect of recessive ones when inherited together. For example,
if an individual inherits a dominant allele for brown eyes from one parent and a recessive
allele for blue eyes from the other, the dominant brown eye trait will be expressed.

Understanding genetic inheritance is crucial for predicting the likelihood of specific traits
in offspring. It involves analyzing Punnett squares, which are diagrams used to predict
the outcomes of genetic crosses. By identifying the combinations of alleles inherited
from both parents, scientists can make predictions about the traits that will be expressed
in the next generation.

19. What is the basic unit of inheritance in genetic traits?

A) Chromosome
B) Nucleotide
C) Allele
D) Gene

20.) How are dominant and recessive traits related in genetic inheritance?

A) Dominant traits always mask the effect of recessive traits.

B) Recessive traits always mask the effect of dominant traits.
C) Dominant and recessive traits combine to create a new trait.
D) Dominant and recessive traits express independently of each other.

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 The Water Cycle and Its Stages

The water cycle, also known as the hydrological cycle, is a continuous process where
water circulates between the Earth’s surface and the atmosphere. It involves various
stages, each contributing to the overall movement of water on our planet.

Evaporation: The sun’s heat causes water from oceans, lakes, and rivers to transform
into water vapor in the atmosphere.

Condensation: Water vapor in the atmosphere cools and condenses into tiny water
droplets, forming clouds.

Precipitation: When cloud droplets combine and grow heavy, they fall to the Earth’s
surface as precipitation, which can include rain, snow, sleet, or hail.

Runoff: Precipitation that doesn’t soak into the ground flows over the surface,
collecting in rivers, lakes, and oceans, completing the cycle.

21. What stage of the water cycle involves the transformation of water into water
vapor due to the sun’s heat?

A) Condensation
B) Precipitation
C) Runoff
D) Evaporation

22. What is the result of cloud droplets combining and growing heavy in the water
cycle?

A) Evaporation
B) Runoff
C) Condensation
D) Precipitation

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 The Process of Photosynthesis in Plants

Photosynthesis is a vital process in plants, where they convert sunlight into energy to
fuel their growth and development. It occurs in the chloroplasts, specialized
structures containing the pigment chlorophyll. The process involves several stages,
each contributing to the synthesis of glucose, the primary energy source for plants.

Light Absorption: Chlorophyll absorbs sunlight, triggering the photosynthetic process.

Carbon Dioxide Uptake: Plants absorb carbon dioxide from the atmosphere through
small pores called stomata.

Chemical Reactions: Water molecules are split, and the released oxygen combines
with carbon dioxide to form glucose through a series of chemical reactions.

Oxygen Release: Oxygen produced during photosynthesis is released into the

atmosphere as a byproduct.

23. What is the primary pigment involved in capturing sunlight during photosynthesis?

A) Melanin
B) Chlorophyll
C) Carotenoid
D) Anthocyanin

24. In which stage of photosynthesis does the synthesis of glucose occur through
chemical reactions?

A) Carbon Dioxide Uptake

B) Oxygen Release
C) Light Absorption
D) Chemical Reactions

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The Impact of Fertilizer Types on Plant Growth

A study was conducted to analyze the effect of different types of fertilizers on plant
growth. Three groups were established, each receiving a different fertilizer type. The
results were recorded based on the increase in plant height over a specific period.

Group A: Received organic fertilizer, resulting in a 15% increase in plant height.

Group B: Received chemical fertilizer, resulting in a 25% increase in plant height.
Group C: Received a mix of organic and chemical fertilizers, resulting in a 20%
increase in plant height.

25. What could enhance the legitimacy of the study design?

A) Another group receiving no fertilizer.

B) Another group receiving a different type of organic fertilizer.
C) Another group receiving a different type of chemical fertilizer.
D) All of the above.

26. What is the independent variable in this study?

A) Plant height
B) Types of fertilizers
C) Time duration
D) None of the above

The Coral Reef Ecosystem

Coral reefs are complex ecosystems that support a wide variety of marine life. One
notable species is the parrotfish, which plays a crucial role in maintaining the health of
coral reefs. Parrotfish feed on algae that can smother coral, To camouflage against
predators, preventing their growth. Interestingly, some parrotfish species exhibit distinct
color variations. In certain coral reef environments, parrotfish with vibrant colors are more
common, while in others, subdued colors predominate.

27. What term best describes the change in coloration of parrotfish in different coral reef
environments?

A) Natural selection
B) Extinction
C) Artificial selection
D) Invasion

28. What is the ecological significance of parrotfish color variations in coral reef
ecosystems?

A) To attract mates
B) To camouflage against predators
C) To reflect sunlight
D) To deter competitors
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 The Impact of Pesticides on Bee Colonies

Bees play a crucial role in pollination, contributing to the reproduction of numerous

plant species. However, the use of certain pesticides has raised concerns about their
impact on bee colonies. Pesticides can interfere with bee navigation and
communication, potentially affecting their ability to forage for food and return to the
hive.

29. How might the use of pesticides affect bee colonies?

A) Increase in population
B) No overall effect on the population
C) Complete collapse of the colony
D) Decrease in population

30. What is the potential consequence of impaired navigation and communication in

bees due to pesticides?

A) Improved foraging
B) Enhanced hive defense
C) Reduced ability to find food
D) Increased reproduction

The Influence of Soil Quality on Plant Growth

Healthy soil is essential for optimal plant growth. Soil quality depends on various
factors, including nutrient content and structure. In a study examining the impact of
soil degradation on plant growth, researchers found that plants grown in nutrient-rich
soil exhibited more robust growth compared to those in degraded soil.

31. How does nutrient-rich soil influence plant growth in the study?

A) Decrease in growth
B) No overall effect on growth
C) Improved growth
D) Complete cessation of growth

32. What is a potential consequence of degraded soil on plant growth?

A) Increased resistance to diseases

B) Enhanced nutrient absorption
C) Reduced growth vigor
D) Accelerated flowering

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 The Role of Temperature in Butterfly Development

Butterflies undergo a process called metamorphosis, transforming from caterpillars to

adults. The rate of development is influenced by temperature. Warmer temperatures
generally accelerate metamorphosis, while cooler temperatures slow it down.

33. How does warmer temperature impact butterfly metamorphosis in the study?

A) Slows down metamorphosis

B) No overall effect on metamorphosis
C) Halts metamorphosis
D) Accelerates metamorphosis

34. What is the potential consequence of cooler temperatures on butterfly

metamorphosis?

A) Slower development
B) Reduced predation risk
C) Increased survival rates
D) Shorter adult lifespan

The Impact of Light Exposure on Plant Growth

In a plant growth experiment, researchers exposed one group of sunflowers to natural

sunlight and another group to artificial light with the same intensity and duration. After a
month, the sunflower group exposed to natural sunlight exhibited greater height and
leaf growth compared to the group under artificial light.

35. What is the nonessential fact in this plant growth experiment?

A) The duration of light exposure

B) The type of light (natural sunlight or artificial light)
C) The height and leaf growth of sunflowers
D) The time frame of one month

36. What can be classified as a finding in this experiment?

A) The type of light used

B) The duration of light exposure
C) The height and leaf growth of sunflowers
D) The time frame of one month

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 The Influence of Music on Memory Retention

In a study on memory retention, participants were exposed to different genres of music

while studying. The classical music group demonstrated significantly higher memory
retention compared to the rock music and no-music groups. This unexpected result
has sparked interest in the potential connection between music and cognitive function.

37. What is the hypothesis in this memory retention study?

A) Classical music enhances memory retention.

B) Rock music enhances memory retention.
C) No music exposure improves memory retention.
D) The duration of music exposure affects memory retention.

38. What can be classified as a prediction in this experiment?

A) The type of music used

B) The memory retention of participants
C) The duration of music exposure
D) The influence of music on cognitive function

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 Science

16 questions | 45 minutes

1. A place where an organism lives and reproduces is known as its

A. Community ชุ มช
B. Population ประชาก
·C. Habitat ที่ อยู่
D. Ecosystem ระบบนิ เว

2. Which of the following is true ? ไมโอซิสคือการแบ่งเซลล์ประเภทหนึ่งที่เกี่ยวข้องกับการก่อตัวของเซลล์สืบพันธุ์

·A. Purpose of Meiosis is to produce gametes for sexual reproduction

B. Purpose of Meiosis is to produce new cells for growth and replacement of damaged
and dead cells.
C. Mitosis invokes two nuclear divisions
D. Meiosis have two daughter cell
พันธุ กร
3. The study of is know as ?
A. Traits คือลักษณะเฉพาะหรือคุณลักษณะของสิ่งมีชีวิตที่ได้รับอิทธิพลจากพันธุกรรม การสืบพันธุ์
&
B. Genetics เกี่ยวข้องกับการถ่ายทอดลักษณะจากรุ่นหนึ่งไปยังอีกรุ่นหนึ่งเรียกว่าพันธุศาสตร์
C. Reproduction การปฏิสนธิ
D. Fertilization การปฏิสนธิ

4. Chromosomes are made of ?

⑨A. Deoxyribonucleic acid and proteins only
B. Fats and carbohydrates only
C. Deoxyribonucleic acid, proteins and fats only
D. Proteins and fats only
ผมหยิ กยี นเ ผม ตรง ยื นด้
5. In humans, a dominant allele C produces curly hair and recessive allele c produces
straight hair. Which genotype is homozygous recessive?
A. CC -> เด่ 4 ยี นด้
C represents the dominant allele for curly hair.
B. Cc -> เด่ น แฝงด้ •
• c represents the recessive allele for straight hair.
C. cC -> เด่ น แฝงต้
·
D. cc -> ด้อ Homozygous recessive means having two identical recessive alleles.

6. This picture shows three bulbs arranged in a parallel circuit.

....
~
1.5 + X + 2.5 = 6.

4+X = 6.0
M

X= 6- 4

* 2
#

What is the current for x in this picture

A. 6.0 A
B. 1.5 A
C. 2.0 A
D. 2.5 A
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 7. What is Wavelength mean?
A. The highest point of wave
·B. The distance between two consecutive equivalent points on a wave
C. The time taken to make a complete oscillation
D. The maximum displacement by a point on a wave

Displacement ( (cm.)

8. 0.5

·
↓0. 0.6
Time ( S)

- 0.
↑0.
This picture shows a displacement-time graph. What is the amplitude of the
wave?
A. 0.5 cm
·
B. -0.5 cm
C. 2 cm
D. 22.5 cm

9. Write a balanced chemical equation for the reaction.

#
3 - — 2NH
1N + __H
2 2 3
IN 2 + 3+2 -> 2 NH3
N= 2 N=
=

A. 1 H= 3x2 H= 6/
B. 2 =- 6 /

·
C. 3
D. 4

10. The allele gene for tall tree ( T ) is dominant to the allele gene for short tree
( t ). Which of the following is true about the genotype of a tree which is tall?
T
+

A. Its genotype must be TT &แ

T= tal

t=
T

T
B. Its genotype must be Tt
↑

short
↑

100

C. Its genotype can be Tt Crossi TT x it

+ It
T

&
D. Its genotype can be Tt or TT

11. In rabbits, a dominant allele B gives black fur and a recessive allele b gives
white fur. What is the type for the genotype Bb?

A. Grey hair
&
B. Black fur
C. White fur
D. Red fur
-

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 12. Which of the following is true?

·
A.

B.

&
&
C.

&
D.

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 Electricity is a vital force in our lives, generated from various sources like fossil fuels and
renewables. It powers devices through circuits where electrons flow, facilitated by
conductors like metals. Electromagnetism, a result of electric currents interacting with
magnetic fields, drives technologies such as electric motors and generators. Electricity
also enables communication and information exchange, powering devices like
computers and smartphones.

13. Which of the following best describes the concept of an electric current?
A. A flow of magnetic fields in a conductor
B. A flow of charged particles in a circuit
&
C. A measure of the potential difference between two points
D. A measure of the resistance to the flow of electricity
& An electric current is the flow of charged particles, typically electrons,
through a conductor in a circuit. This flow of charged particles is what
allows electricity to power devices and perform work.
14. This table describes the 4 tropic levels:

Based on the tables which of the following animals would be classified as a secondary
consumer?

A.->
Deer
กิ นพ

B. Great white shark กินสัตว์อ่นๆ

-
ื (Tert iary Consu
C. =-
Squirrel
กระรอก กิ นพ

&
D. Anteater -> ตัวกิ นม

1. ไม่ได้ถามหาอะไร ไม่ต้องตอบ
2. ลองอ่านโจทย์ก่อนเพื่อหาคีเวิร์ด ต่อมาอ่านช้อยส์เพื่อให้รู้ขอบเขตในการตอน และค่อยขึ้นไปอ่าน passage วิธีนี้จะ
ใช้หาคีเวิดคำ หรือความหมายใกล้เคียงในบทความ ช่วยประหยัดเวลาอ่านหลายรอบ และเหมาะกับคนอ่อนอิ้งค์

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 15. As part of a study on how skin type and redness correlate when exposed to different
amounts of UV light, a scientist set up an experiment to see how much redness occurred
on various skin types. The scientist classified 100 people into six different categories of
skin type, then exposed them to increasingly higher doses of UV light and recorded the
level of redness that appeared on the skin.

Which is an independent variable and which is a dependent variable in this experiment?

A. An independent variable is the skin type; a dependent variable is the amount of UV

light.
B. An independent variable is the redness; a dependent variable is the amount of UV
light.
C. An independent variable is the amount of UV light; a dependent variable is the skin
type.
&
D. An independent variable is the skin type; a dependent variable is the redness.
3

16. What is 1% of 5 x 10 ?
1% of 5 1,00
A. 50
x
·
of
B. 500 1%. 5,00

C. 5,000 =5,00
10
D. 50,000 =5 &

In a series of recent experiments, scientists investigated the effects of acid rain on aquatic
ecosystems. The experiments aimed to simulate real-world conditions and evaluate the
impact of varying acidity levels on aquatic life. To conduct these experiments, researchers
exposed different water samples to controlled amounts of acidic substances, mimicking
acid rain. The samples were monitored over several weeks to observe changes in pH
levels, aquatic plant growth, and the overall health of aquatic organisms.
5 จัดใ ให้ต่า
17. What is the independent variable in the acid rain experiments?

a. pH levels of water samples

b. Aquatic plant growth
c. Overall health of aquatic organisms
·d. The amount of acidic substances in water samples
5 จัดใ ให้เหมื อ
18. Which factor is considered a control variable in the experiments?

·
a. pH levels of water samples
b. Aquatic plant growth
c. Overall health of aquatic organisms
d. The temperature of the laboratory environment

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 Genetic Inheritance and Traits

Genetic inheritance plays a crucial role in determining an individual’s traits and

characteristics. The information encoded in DNA is passed from parents to offspring,
shaping everything from physical appearance to certain behaviors. The basic unit of
inheritance is the gene, a segment of DNA that codes for a specific trait. Genes come in
pairs, with one inherited from each parent.

Dominant and recessive traits further influence the expression of characteristics.

Dominant traits mask the effect of recessive ones when inherited together. For example,
if an individual inherits a dominant allele for brown eyes from one parent and a recessive
allele for blue eyes from the other, the dominant brown eye trait will be expressed.

Understanding genetic inheritance is crucial for predicting the likelihood of specific traits
in offspring. It involves analyzing Punnett squares, which are diagrams used to predict
the outcomes of genetic crosses. By identifying the combinations of alleles inherited
from both parents, scientists can make predictions about the traits that will be expressed
in the next generation.

19. What is the basic unit of inheritance in genetic traits?

A) Chromosome
B) Nucleotide
C) Allele
&
D) Gene

20.) How are dominant and recessive traits related in genetic inheritance?

&
A) Dominant traits always mask the effect of recessive traits.
B) Recessive traits always mask the effect of dominant traits.
C) Dominant and recessive traits combine to create a new trait.
D) Dominant and recessive traits express independently of each other.

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2. ลองอ่านโจทย์ก่อนเพื่อหาคีเวิร์ด ต่อมาอ่านช้อยส์เพื่อให้รู้ขอบเขตในการตอน และค่อยขึ้นไปอ่าน passage วิธีนี้จะ
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 The Water Cycle and Its Stages

The water cycle, also known as the hydrological cycle, is a continuous process where
water circulates between the Earth’s surface and the atmosphere. It involves various
stages, each contributing to the overall movement of water on our planet.

Evaporation: The sun’s heat causes water from oceans, lakes, and rivers to transform
into water vapor in the atmosphere.

Condensation: Water vapor in the atmosphere cools and condenses into tiny water
droplets, forming clouds.

Precipitation: When cloud droplets combine and grow heavy, they fall to the Earth’s
surface as precipitation, which can include rain, snow, sleet, or hail.

Runoff: Precipitation that doesn’t soak into the ground flows over the surface,
collecting in rivers, lakes, and oceans, completing the cycle.

21. What stage of the water cycle involves the transformation of water into water
vapor due to the sun’s heat?

A) Condensation
B) Precipitation
C) Runoff
D)
·Evaporation

22. What is the result of cloud droplets combining and growing heavy in the water
cycle?

A) Evaporation
B) Runoff
C) Condensation
D) Precipitation
·

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 The Process of Photosynthesis in Plants

Photosynthesis is a vital process in plants, where they convert sunlight into energy to
fuel their growth and development. It occurs in the chloroplasts, specialized
structures containing the pigment chlorophyll. The process involves several stages,
each contributing to the synthesis of glucose, the primary energy source for plants.

Light Absorption: Chlorophyll absorbs sunlight, triggering the photosynthetic process.

Carbon Dioxide Uptake: Plants absorb carbon dioxide from the atmosphere through
small pores called stomata.

Chemical Reactions: Water molecules are split, and the released oxygen combines
with carbon dioxide to form glucose through a series of chemical reactions.

Oxygen Release: Oxygen produced during photosynthesis is released into the

atmosphere as a byproduct.

23. What is the primary pigment involved in capturing sunlight during photosynthesis?

A) Melanin
B) Chlorophyll
C) Carotenoid
D) Anthocyanin

24. In which stage of photosynthesis does the synthesis of glucose occur through
chemical reactions?

A) Carbon Dioxide Uptake

B) Oxygen Release
C) Light Absorption
D) Chemical Reactions

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2. ลองอ่านโจทย์ก่อนเพื่อหาคีเวิร์ด ต่อมาอ่านช้อยส์เพื่อให้รู้ขอบเขตในการตอน และค่อยขึ้นไปอ่าน passage วิธีนี้จะ
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 The Impact of Fertilizer Types on Plant Growth

A study was conducted to analyze the effect of different types of fertilizers on plant
growth. Three groups were established, each receiving a different fertilizer type. The
results were recorded based on the increase in plant height over a specific period.

Group A: Received organic fertilizer, resulting in a 15% increase in plant height.

Group B: Received chemical fertilizer, resulting in a 25% increase in plant height.
Group C: Received a mix of organic and chemical fertilizers, resulting in a 20%
increase in plant height. Including additional groups with no fertilizer,
different types of organic fertilizer, and
25. What could enhance the legitimacy of the study design? different types of chemical fertilizer would
help account for various factors and provide a
more comprehensive evaluation of the impact
A) Another group receiving no fertilizer. of fertilizers on plant growth.
B) Another group receiving a different type of organic fertilizer.
C) Another group receiving a different type of chemical fertilizer.
&
D) All of the above.

26. What is the independent variable in this study?

A) Plant height
&
B) Types of fertilizers
C) Time duration
D) None of the above

The Coral Reef Ecosystem

Coral reefs are complex ecosystems that support a wide variety of marine life. One
notable species is the parrotfish, which plays a crucial role in maintaining the health of
coral reefs. Parrotfish feed on algae that can smother coral, To camouflage against
predators, preventing their growth. Interestingly, some parrotfish species exhibit distinct
color variations. In certain coral reef environments, parrotfish with vibrant colors are more
common, while in others, subdued colors predominate.

27. What term best describes the change in coloration of parrotfish in different coral reef
environments?

&
A) Natural selection
B) Extinction
C) Artificial selection
D) Invasion

28. What is the ecological significance of parrotfish color variations in coral reef
ecosystems?

A) To attract mates
·
B) To camouflage against predators
C) To reflect sunlight
D) To deter competitors

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 The Impact of Pesticides on Bee Colonies

Bees play a crucial role in pollination, contributing to the reproduction of numerous

plant species. However, the use of certain pesticides has raised concerns about their
impact on bee colonies. Pesticides can interfere with bee navigation and
communication, potentially affecting their ability to forage for food and return to the
hive.

29. How might the use of pesticides affect bee colonies?

A) Increase in population
B) No overall effect on the population สารกำจัดศัตรูพืชอาจรบกวนการนำทางและการสื่อสารของผึ้ง ประชากรผึ้งอาจลด
C) Complete collapse of the colony ลงในอนาคตหากใช้ยาฆ่าแมลงต่อไป

D) Decrease in population

30. What is the potential consequence of impaired navigation and communication in

bees due to pesticides?

A) Improved foraging
การนำทางและการสื่อสารที่บกพร่องในผึ้งซึ่งเกิดจากยาฆ่าแมลง
B) Enhanced hive defense อาจทำให้ความสามารถในการหาอาหารลดลง
C) Reduced ability to find food
D) Increased reproduction

The Influence of Soil Quality on Plant Growth

Healthy soil is essential for optimal plant growth. Soil quality depends on various
factors, including nutrient content and structure. In a study examining the impact of
soil degradation on plant growth, researchers found that plants grown in nutrient-rich
soil exhibited more robust growth compared to those in degraded soil.

31. How does nutrient-rich soil influence plant growth in the study?

A) Decrease in growth พืชที่ปลูกในดินที่อุดมด้วยสารอาหารมีการเจริญเติบโตที่แข็งแกร่งกว่าเมื่อ

B) No overall effect on growth เปรียบเทียบกับพืชในดินเสื่อมโทรม ซึ่งบ่งชี้ว่าดินที่อุดมด้วยสารอาหารจะ
C) Improved growth ช่วยเพิ่มการเจริญเติบโตของพืช

D) Complete cessation of growth

32. What is a potential consequence of degraded soil on plant growth?

A) Increased resistance to diseases

การศึกษานี้ชี้ให้เห็นว่าพืชในดินเสื่อมโทรมมีการเจริญเติบโตที่น้อยกว่า ซึ่ง
B) Enhanced nutrient absorption
บ่งชี้ถึงผลที่ตามมาของความแข็งแรงในการเจริญเติบโตที่ลดลงเนื่องจากดิน
C) Reduced growth vigor เสื่อมโทรม
D) Accelerated flowering

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 The Role of Temperature in Butterfly Development

Butterflies undergo a process called metamorphosis, transforming from caterpillars to

adults. The rate of development is influenced by temperature. Warmer temperatures
generally accelerate metamorphosis, while cooler temperatures slow it down.

33. How does warmer temperature impact butterfly metamorphosis in the study?

A) Slows down metamorphosis

B) No overall effect on metamorphosis
C) Halts metamorphosis
D) Accelerates metamorphosis

34. What is the potential consequence of cooler temperatures on butterfly

metamorphosis?

A) Slower development
B) Reduced predation risk
C) Increased survival rates
D) Shorter adult lifespan

The Impact of Light Exposure on Plant Growth

In a plant growth experiment, researchers exposed one group of sunflowers to natural

sunlight and another group to artificial light with the same intensity and duration. After a
month, the sunflower group exposed to natural sunlight exhibited greater height and
leaf growth compared to the group under artificial light.

35. What is the nonessential fact in this plant growth experiment?

A) The duration of light exposure

B) The type of light (natural sunlight or artificial light)
C) The height and leaf growth of sunflowers
D) The time frame of one month

36. What can be classified as a finding in this experiment?

A) The type of light used

B) The duration of light exposure
C) The height and leaf growth of sunflowers
D) The time frame of one month

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 The Influence of Music on Memory Retention

In a study on memory retention, participants were exposed to different genres of music

while studying. The classical music group demonstrated significantly higher memory
retention compared to the rock music and no-music groups. This unexpected result
has sparked interest in the potential connection between music and cognitive function.

37. What is the hypothesis in this memory retention study?

A) Classical music enhances memory retention.

B) Rock music enhances memory retention.
C) No music exposure improves memory retention.
D) The duration of music exposure affects memory retention.

38. What can be classified as a prediction in this experiment?

A) The type of music used

B) The memory retention of participants
C) The duration of music exposure
D) The influence of music on cognitive function

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