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Worksheets

Actual September 2023

Total questions: 180

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

What is the unit of heredity?

a)

gamete

b)

gene

c)

sperm

d)

cell

2.

What is the full name of GPS?

a)

Geo-positioning system

b)

Global positioning system

c)

Geo-positioning satellite

d)

Global positioning satellite

3.

The process of physical division in eukaryotic cell which enables growth and production of worn out cell is known as

a)

Mitosis

b)

Prokaryotic

c)

Meiosis

d)

Cytokinesis

4.

Fatty acids whether saturated and unsaturated is classified as

a)

Amino acids

b)

Lipids

c)

Enzymes

d)

Carbohydrates

5.

Arrange the following from smallest to largest.

a)

Molecule-atom-tissue-cell

b)

Atom-molecule-cell-tissue

c)

Cell- tissue- atom molecule

d)

Tissue-cell-molecule-atom

6.

Highest classification in plants and animals.

a)

Kingdom

b)

Order

c)

Species

d)

Domain

7.

Environmental scientist 200 years ago who predicted that climate change will occur.

a)

Joseph Fourier

b)

Al Gore

c)

Eugene Odom

d)

Alexander Von Humboldt

8.

The chemical name for water as a compound which consists of two atoms of hydrogen and one atom of oxygen is _________.

a)

Dihydrogen monoxide

b)

Hydrogen monoxide

c)

Hydrogen dioxide

d)

Hydrogen monosulfide

9.

The study of features and characteristics of metals and minerals is called_______.

a)

Biochemistry

b)

Inorganic Chemistry

c)

Organic chemistry

d)

Nuclear chemistry

10.

Recent DNA shows that the domesticated dogs from different home, the wolf from the forest and the Chihuahua from Mexico demonstrate occurrence of similarities but belongs to different ______.

a)

Phylum

b)

Family

c)

Species

d)

Order

11.

If the speed of the object is doubled what quantity of other must also be doubled?

a)

Force

b)

Kinetic

c)

Acceleration

d)

Momentum

12.

What is one of the few molecules that can pass through a cell membrane through diffusion?

a)

Soil

b)

Heat

c)

Water

d)

Blood

13.

Which is the most abundant element in the body comprising of 65%?

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

14.

Cell, the basic unit of life was discovered by _____.

a)

Darwin

b)

Watson

c)

Mendel

d)

Hooke

15.

Considering the following statement when an elevator rising at constant speed I. The upward cable forces is at constant II. The kinetic energy of the elevator is constant III. The acceleration of the elevator is zero IV. The mechanical energy of the earth-elevator system is constant.

a)

I and II

b)

III and IV

c)

I, II, and III

d)

II, III and IV

16.

Which does not belong to the group?

a)

Worm

b)

Bacteria

c)

Fungi

d)

Virus

17.

Who proposed a widely used five-kingdom classification system for living organisms in the 20th century?

a)

Carl Linnaeus

b)

Charles Darwin

c)

Robert Hooke

d)

Robert Whittaker

18.

What do you call the reaction between sodium and chloride to form salt?

a)

Acidification

b)

Alkalization

c)

Ionization

d)

Neutralization

19.

A test that determines to which there are three or more independent samples/variables.

a)

Regression test

b)

ANOVA

c)

T-test

d)

Z-test

20.

What describes objects that occupy space and have mass?

a)

Volume

b)

Density

c)

Matter

d)

Weight

21.

Vaccination for small pox vaccine is to Edward Jenner, as vaccines for anthrax and rabies are to __.

a)

Leeuwenhoek

b)

Curie

c)

Pasteur

d)

Fleming

22.

He is the scientist who Named/identified MANY elements like carbon, oxygen, hydrogen.....

a)

Friedrich Wohler

b)

Antoine Lavoisier

c)

John Dalton

d)

Avogadro

23.

The observable characteristics such as skin color and facial features is to “phenotype" while behavior and temperament is to ____.

a)

Mutagen

b)

Genotype

c)

Mutation

d)

Genomics

24.

The radiation that comes from the sun is called __.

a)

Isobar

b)

Insolation

c)

Ray

d)

Ozone

25.

In homeostatic, receptor is to skin and effector is to_____.

a)

Eyes

b)

Nerves

c)

Nose

d)

Glands

26.

Phenotype concerns about physical attributes of organisms such as

a)

Physical features

b)

Temperament

c)

Habit

d)

Behavior

27.

Result of polymerization of smaller compounds

a)

monomer

b)

synthesis

c)

macromolecule

d)

compound

28.

The least harmful energy in the atmosphere because it does not emit pollution is ___________.

a)

Slash and burn

b)

Fossil fuel

c)

Nuclear Energy

d)

Dry cell energy

29.

Cordillera: Mountain biome; Indigenous: ________biome?

a)

Ocean

b)

Aquatic

c)

Grassland

d)

Forest

30.

CBC is to blood chemistry test, as Covid-19 is to ______ test.

a)

Aspirate culture and sensitivity

b)

Reverse Transcription Polymerase Chain Reaction

c)

CSF culture and sensitivity

d)

Saliva culture and sensitivity

31.

In some cases of bacterial infections, medicine that kills bacteria or preventing it from producing or spreading is the _____.

a)

Anthelmintic

b)

Diuretic

c)

Antibiotic

d)

Vaccine

32.

Eutrophication which causes the depletion of dissolved oxygen in water results in ______.

a)

decrease in dissolved nutrients

b)

abundance in aquatic plants

c)

decreased sea harvest

d)

abundant sea harvest

33.

The following are the steps in conducting scientific research; arrange them in chronological order: I. Formulate hypothesis II. Conclusion and Recommendation III. Identification of the problem IV. Data gathering V. Search for Related Literature VI. Analysis and Interpretation of data

a)

V III IV I II VI

b)

III V IV I VI II

c)

I II III IV V VI

d)

III V I IV VI II

34.

A type of physical combination in which all the substance are evenly distributed throughout the mixture is as referred to as_____

a)

element

b)

Homogeneous

c)

Heterogeneous

d)

Compound

35.

A type of chemical process within and in relation to living organism____

a)

Biotechniques

b)

Biochemistry

c)

Biology

d)

Microbiology

36.

What is true about the white light hitting a polarized plate or what happens when light passes through a Polaroid plate? [2x]

a)

90% pass

b)

Half of the light

c)

blocked/0

d)

Equal

37.

What virus can’t be detected by RT-PCR TEST?

a)

Pneumonia

b)

Covid19

c)

Small Pox

d)

Flu

38.

What is the shape of the Andromeda Galaxy which has a nuclear bulge that has outward parts?

a)

Elliptical

b)

Irregular

c)

Normal Spiral

d)

Barred Spiral

39.

What sphere on earth that life exist

a)

Stratosphere

b)

biosphere

c)

Lithosphere

d)

atmosphere

40.

Having complex organelles and outbound nucleus and an example of this is Fungi. What is it called?

a)

Protist

b)

Eukaryote

c)

Prokaryote

d)

Plant

41.

Sex/reproductive cells are referred to as ____.

a)

Proton

b)

Gamete

c)

Molecule

d)

Nucleus

42.

All of the following are examples of conduction, except

a)

Ironing of clothes

b)

Heating a pan on stove

c)

Snow/rain

d)

Melting of ice in your hand

43.

Arrange from MOST dangerous to LEAST dangerous: Pollution, Climate Change, Alien Species, Loss of Habitat.

a)

Climate change  Pollution  Loss of habitat  Alien Species

b)

Pollution  Climate Change  Loss of Habitat

c)

Alien Species  Climate Change  Pollution  Loss of Habitat

d)

Pollution  Loss of habitat  Climate ChangeAlien Species

44.

Orangutan, chimpanzee and gorilla are classified.

a)

Primates

b)

Predator

c)

Monkey

d)

Chordates

45.

Who is the father of modern microbiology?

a)

Antoine van Leeuwenhoek

b)

Edward Jenner

c)

Louis Pasteur

d)

Gregor Mendel

46.

Which of the following has a low melting point, insolubility in water, but soluble in ether are characteristics of compound called ______.

a)

Carboxylic

b)

Organometallic

c)

Triglycerol

d)

Sulfuric

47.

What is a possible consequence of eutrophication?

a)

Water that is colourless and colour-free

b)

Significantly diminished sea harvest by fishermen

c)

Decreased toxicity of bodies of water

d)

Less turbidity of water

48.

What is the meaning of the abbreviation RT-PCR?

a)

Randomized Trial Polymerase Chain Reaction

b)

Rapid Testing Polymerase Chain Reaction

c)

Real-time Reverse Transcription Polymerase Chain Reaction

d)

Rapid Trial Polymerase Chain Reaction

49.

A laboratory device that is used for the separation of fluids, gas or liquid, based on density. Separation is achieved by spinning a vessel containing material at high speed; the centrifugal force pushes heavier materials to the outside of the vessel.

a)

Spectrophotometer

b)

Centrifuge

c)

Chromatograph

d)

Autoclave

50.

The process of physical division in eukaryotic cell which enables growth and production of worn out cell is known as

a)

Eukaryotic

b)

Prokaryotic

c)

Meiosis

d)

Cytokinesis

51.

What virus cannot be detected by RT-PCR test?

a)

retrovirus

b)

covid19

c)

small pox

d)

ebola virus

52.

A statistical tool that is used to compare two individual groups?

a)

Regression Analysis

b)

T-Test

c)

Correlation Coefficient

d)

ANOVA (Analysis of Variance)

53.

Mean, median, mode, standard deviation. What kind of statistics?

a)

Descriptive Statistics

b)

Inferential Statistics

c)

Predictive Statistics

d)

Analytical Statistics

54.

Who is the father of organic chemistry?

a)

Dmitri Mendeleev

b)

Robert Boyle

c)

Louis Pasteur

d)

Friedrich Wöhler

55.

Who is the father of inorganic chemistry?

a)

Alfred Werner

b)

Dmitri Mendeleev

c)

Robert Boyle

d)

Joseph Priestley

56.

Who is the father of ecology?

a)

Alexander von Humboldt

b)

Gregor Mendel

c)

Rachel Carson

d)

Ernst Haeckel

57.

A woman holds a makeup mirror with a radius of curvature of 120 cm a distance of 20 cm from her face. What is the magnification of the observed image?

a)

1.5

b)

-2.5

58.

It is the science that studies the origin and evolution of the universe?

a)

astrophysics

b)

cosmology

59.

Crystalline substance that is insoluble in water but soluble in solvent

a)

carbohydrates

b)

lipids

60.

Budding, Fragmentation, fission and regeneration are examples of _____.

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Hybrid Reproduction

d)

External Reproduction

61.

Organisms such as vulture and bacteria that get their food from decaying plants and dead animals are described as ___________.

a)

holozoic

b)

Autotroph

c)

parasitic

d)

Saprophyte

62.

Society determine which scientific and technological projects it resources should spent and vice versa. Science and technology provide modern product and process to society. Such relationships is described as _______.

a)

distinction

b)

reversible

c)

reciprocal

d)

co-optation

63.

Which of the following appliances consumes the most electricity?

a)

Refrigerator

b)

TV

c)

Aircon

d)

Washing machine

64.

If a lion and a tiger are both the same, they differ because they came from different ____.

a)

Genus

b)

Species

c)

Order

d)

Habitats

65.

What is true of all combinations of resistors arranged in parallel?

I. Current splits down each leg of the combination.

II. Voltage is constant across each leg of the combination.

III. Resistance is the same for each leg of the combination

a)

I and II

b)

I and III

66.

When a wave encounters a slit, it is ______.

a)

Diffracted

b)

Refracted

c)

Reflected

d)

Polarized

67.

The formation or building of mountains is best explained by the ______.

a)

gradual accretion of material from the upper mantle

b)

theory of plate tectonics

c)

cooling and contracting of Earth’s surface

d)

gradual accretion of material in the lower mantle

68.

What is the radius in nm of the electron orbit of a hydrogen atom for n=3?

a)

0.356 nm

b)

0.477 nm

c)

0.377 nm

d)

0.456 nm

69.

The process which is NOT a type of mechanical disintegration is ______.

a)

frost wedging

b)

oxidation

c)

abrasion

d)

roof penetration

70.

Only about 50% of the solar directed toward Earth penetrated directly to the surface. What happens to the rest of the radiation?

a)

It loses energy travelling through space

b)

It is absorbed or reflected by the atmosphere

c)

It loses energy overcoming the sun's gravity

d)

It is reflected off the moon and back into space

71.

The active component in a vaccine which generates immune response that warns the body of the presence of a harmful element is called?

a)

stem cell

b)

antigen

c)

antibody

d)

cell wall

72.

Dialysis is to medical biochemistry, as diet therapy is to ___.

a)

Nutritional biochemistry

b)

Industrial biochemistry

c)

Pharmaceutical biochemistry

d)

Agricultural biochemistry

73.

Which animals belong to the same group EXCEPT?

a)

cat, cheetah and leopard

b)

dog, fox and wolf

c)

whales, sharks and dolphins

d)

moose, elk and deer

74.

A Fungi is called?

a)

Protist

b)

Eukaryote

c)

Prokaryote

d)

Plant/Nucleus

75.

The successful sequencing of all genes in human body was the first recognize?

a)

Human Genome Project

b)

Cooperation Biotechnology

c)

Partnership Cooperative

d)

International Biotechnology

76.

What government agencies that monitor earthquake?

a)

PHILVOLCS

b)

DICT

c)

DOST

d)

PAGASA

77.

Reasons why other places have longer daylight hours.

a)

Latitude

b)

Date

c)

Sea level

d)

Moon's phase

78.

What type of evolution in which an organism from a common ancestor gradually develop into a new species to adapt into its new habitat?

a)

Convergent

b)

Divergent

c)

Homogeneous

d)

Parallel

79.

For Science to progress, it should include both knowledge and process. To develop this, which is referred to scientific ________.

a)

Form and Format

b)

Attitude and practice

c)

Content and Methods

d)

Source and Purpose

80.

Cows are primary consumers and humans are secondary consumers. What are humans?

a)

Carnivores

b)

Omnivores

c)

Herbivores

d)

Parasites

81.

To separate a 0.25-C charge from another charge, 30J of work is done. What is the electric potential energy of the charge?

a)

120 J

b)

30 J

c)

15 J

d)

7.5 J

82.

Which is healthy for the brain, and don’t increase blood sugar?

a)

Saturated fats

b)

Carbohydrates

c)

Proteins

d)

Vitamins

83.

The union of an ovum and a sperm inside a test tube is called ____ fertilization.

a)

in vivo

b)

asexual

c)

in vitro

d)

sexual

84.

Zebra and horse are similar just as lion and jaguar are also similar, but the two pairs have different characteristics because they belong to different _____.

a)

Species

b)

Genus

c)

Order

d)

Family

85.

A mango tree is planted beside a Sampaguita plant in a garden. They demonstrate the following relationship.

a)

Commensalism

b)

Mutualism

c)

Parasitism

d)

Competition

86.

A special type of cell division of germ cells in sexually producing organisms that is used to produce egg and sperm is called

a)

Reaction

b)

Meiosis

c)

Reproduction

d)

Mitosis

87.

The process in which a molecule decomposed of different molecules inside a cell and release energy in a process is referred to as

a)

Single displacement

b)

Allergic reaction

c)

Double displacement

d)

Biochemical reaction

88.

Acknowledge as the Father of Microbiology, he discover germs as the cause of disease, fermentation is caused by microorganism and ways of destroying microbes in the liquid, and he is _________.

a)

Edward Jenner

b)

Louise Pasteur

c)

Robert Jenner

d)

Alexander Fleming

89.

The care and protection of historical structures is to heritage conservation and moderate consumption is______.

a)

forest conservation

b)

nature conservation

c)

energy conservation

d)

food conservation

90.

The combination of 2 or more substance in which the identities of the individual substance are retained is called

a)

pairing

b)

Bond

c)

Union

d)

Mixture

91.

Native people of Cordillera live in mountain biome, Indigenous people in cordillera live in _____ biome

a)

aquatic

b)

Grassland

c)

Forest

d)

Ocean

92.

What matter is formed by particles made up of atoms, molecules, and/or ions which are well-separated and without regular arrangement?

a)

Plasma

b)

Liquid

c)

Gas

d)

Solid

93.

Which is/are (an) advantage/s of the coming of Genetically Modified Organisms (GMO)?

I. Improved resistance of plants to diseases, pests, and herbicide

II. Increased maturation time of fruits

III. Enhanced taste and quality

a)

II and III

b)

I and III

94.

Which is one disadvantage of Genetically Modified Organisms (GMO)?

a)

Potential human health impact like allergens

b)

Reduced maturation time

c)

Fast food production

d)

High cost of GMO food items

95.

Who is the father of modern ecology?

a)

Charles Darwin

b)

Ernst Haeckel

c)

Rachel Carson

d)

Eugene Odum

96.

In the complicated food chain. Humans act as primary consumers and plants as ________.

a)

Secondary Consumers

b)

Producers

c)

Decomposers

d)

Tertiary Consumers

97.

The following are deficiency in chromosomes in Turner syndrome except?

a)

Hearing impairment

b)

paralysis

c)

Leukaemia

d)

Diabetes

98.

What causes ADHD?

a)

Genetic Factors

b)

Environmental Toxins

c)

Excessive Screen Time

d)

Dietary Habits

99.

What is the process in which smaller molecules combine to form larger molecules, and these monomers release water molecules as by-product?

a)

Polymerization

b)

Hydrolysis

c)

Dehydration Synthesis

d)

Monomerization

100.

Which chemical process uses water to break down polymers into monomers?

a)

Hydrolysis

b)

Polymerization

c)

Condensation

d)

Dehydration Synthesis

101.

Which unit is a polymerase?

a)

Enzyme

b)

Nucleotide

c)

Protein

d)

Monomer

102.

What is the process in humans where two specialized cells, each carrying half the genetic material, combine during sexual reproduction?

a)

Somatic Cells

b)

Zygotes

c)

Gametes

d)

Mitosis

103.

What is the primary source of energy that is a food for the brain and aids in digestion?

a)

Proteins

b)

Carbohydrates

c)

Vitamins

d)

Fats

104.

How is heredity transferred from parents to offspring?

a)

Chromosomes

b)

Genes

c)

Proteins

d)

Hormones

105.

What is the primary reasons for the deflection of wind at the North and South?

a)

Magnetic forces

b)

Gravitational pull

c)

Coriolis effect

d)

Ocean currents

106.

Which statement best describes a scientific theory?

a)

A well-substantiated explanation of some aspect of the natural world

b)

A random hypothesis

107.

Which agency is responsible for managing and monitoring typhoons in the Philippines?

a)

PAGASA

b)

National Weather Service

108.

Saturated and unsaturated fats are classified as _____?

a)

Carbohydrates

b)

Lipids

109.

What is the highest level in taxonomy, used to classify all living organisms into broad categories?

a)

Kingdom

b)

Family

110.

Who made significant contributions to science by discovering the elements silicon, oxygen, and hydrogen?

a)

Antoine Lavoisier

b)

Jöns Jakob Berzelius

111.

Which term involves using the relationship between reactants and/or products in a chemical reaction?

a)

Chemical Equation

b)

Stoichiometry

112.

What is the study of the distribution of animals in different landscapes called?

a)

Zoogeography

b)

Ecology

113.

Who won the Nobel Prize for their work on metal-ligand binding?

a)

Alfred Werner

b)

Linus Pauling

114.

Unsaturated fats are predominantly found in ___.

a)

Animals

b)

Plants

115.

What is the term for face-to-face questioning used in researching data gathering?

a)

Survey

b)

Interview

116.

What is the first recognized genetically modified organism (GMO) created through genetic engineering?

a)

Bt Cotton

b)

Roundup Ready Soybeans

c)

Flavr Savr Tomato

d)

Golden Rice

117.

What is the term for a complex cellular and membrane-bound organism like fungi?

a)

Prokaryote

b)

Eukaryote

c)

Archaeon

d)

Protist

118.

Which term refers to the phenomenon where a substance emits light after exposure or afterglow to external light and continues to do so even after the external light source is removed?

a)

Fluorescence

b)

Phosphorescence

c)

Incandescence

d)

Bioluminescence

119.

What is the densest point in the universe, where the gravitational pull is so strong that not even light can escape?

a)

White Dwarf

b)

Neutron Star

c)

Black Hole

d)

Supernova

120.

How do plants convert sunlight into energy?

a)

Photosynthesis

b)

Respiration

c)

Transpiration

d)

Chlorophyll Reaction

121.

Which is a desired action of an environmentalist EXCEPT ____?

a)

Conserving natural habitats

b)

Reducing carbon emissions

c)

Using pesticides

d)

Promoting recycling and waste reduction

122.

Gasoline, plastics, medicine are created by chemical reactions and made possible through ______.

a)

Biochemistry

b)

Chemical Bonding

c)

Inorganic Chemistry

d)

Organic Chemistry

123.

Human is the primary consumer while plant is ______ in the integrated ecosystem?

a)

Producers

b)

Secondary Consumers

c)

Decomposers

d)

Carnivores

124.

What term describes a relationship in which both parties give and take equally?

a)

Symbiotic

b)

Reciprocal

c)

Mutualistic

d)

Synergistic

125.

What is the definition of organic chemistry?

a)

The study of carbon-containing compounds

b)

The study of inorganic substances

c)

The study of minerals and rocks

d)

The study of physical properties of matter

126.

Who is known as the Father of Taxonomy?

a)

Charles Darwin

b)

Carolus Linnaeus

c)

Gregor Mendel

d)

Louis Pasteur

127.

Mitosis is for growth and repair as meiosis is for ______ in animal cells.

a)

Cell Differentiation

b)

Asexual Reproduction

c)

Sexual Reproduction

d)

Tissue Regeneration

128.

What term describes the evolutionary relationship between organisms based on their ancestral lineage?

a)

Phylogeny

b)

Ontogeny

c)

Taxonomy

d)

Morphology

129.

Cause of earth's albedo.

a)

Acid rain

b)

Smog

c)

Nitrogen oxide

d)

Particulates

130.

Which statement(s) is/are true of mitosis and meiosis in sexual reproduction?

a)

Mitosis produces identical diploid daughter cells, while meiosis produces non-identical haploid gametes.

b)

Mitosis occurs in somatic cells, while meiosis occurs in germ cells.

c)

Mitosis has one round of cell division, while meiosis involves two rounds of cell division.

d)

All of the above

131.

What is the process used to break down fat molecules in milk into smaller particles, creating a uniform consistency in products like milk and ice cream?

a)

Pasteurization

b)

Homogenization

c)

Fermentation

d)

Emulsification

132.

Total amount of energy in the universe is _____.

a)

Zero

b)

Infinite

c)

Undefined

d)

None of the above

133.

What is the unique characteristic of a molecule that can bond with other atoms in diverse ways, forming the backbone of organic compounds?

a)

Hydrogen

b)

Oxygen

c)

Nitrogen

d)

Carbon

134.

What type of chemical bonding occurs between a metal and a non-metal, resulting in the transfer of electrons?

a)

Covalent bonding

b)

Metallic bonding

c)

Ionic bonding

d)

Polar bonding

135.

What is the term for a point in space where gravitational forces cause matter to be infinitely dense, often associated with the core of a black hole?

a)

Singularity

b)

Event Horizon

c)

Nebula

d)

Quasar

136.

A molecule that can pass through phospholipid layer.

a)

Water

b)

Carbon

c)

Glucose

d)

Amino acids

137.

What is the chemical that carries genetic material in the body?

a)

DNA

b)

RNA

c)

Protein

d)

Lipids

138.

Colorless crystalline solid soluble in water insoluble in solvent.

a)

Sugar

b)

Salt

c)

Wax

d)

Oil

139.

What do you call when two different organism develop similar characteristics as a result of same needs in the environment?

a)

convergent

b)

divergent

c)

Homology

d)

Parallel Evolution

140.

In an ordinary biological laboratory for undergraduate courses, which kind of microscope is most practical for study of microorganisms magnified a few thousand times?

a)

digital

b)

electron

c)

stereo

d)

light

141.

Microscope for magnifying objects at maximum level with high resolution.

a)

digital

b)

electron

c)

compound

d)

light

142.

Which of the following correctly describes the differences between a chemical equation, a chemical structure, and a chemical formula?

a)

Chemical Equation: Represents the types and number of atoms in a compound. Chemical Structure: Shows the arrangement of atoms in a molecule. Chemical Formula: Represents a chemical reaction using symbols and formulas.

b)

Chemical Equation: Represents a chemical reaction using symbols and formulas. Chemical Structure: Shows the arrangement of atoms in a molecule. Chemical Formula: Represents the types and number of atoms in a compound.

143.

This is a natural form of energy.

a)

electric lights

b)

neon lights

c)

laser lights

d)

Sun

144.

How do humans utilize the sun's energy?

a)

Solar Panels

b)

Wind Turbines

c)

Fossil Fuels

d)

Nuclear Reactors

145.

Potential is to power bank as moving electric fan is to _____.

a)

Kinetic

b)

Mechanical

c)

Chemical

d)

Thermal

146.

What is the harmful component of sunlight that can cause various health issues, including skin damage and cancer?

a)

Infrared Radiation

b)

Visible Light

c)

Ultraviolet (UV) Rays

d)

X-rays

147.

What is the government agency in the Philippines responsible for monitoring and mitigating volcanic eruptions, earthquakes, and other geologic hazards?

a)

DENR

b)

PAGASA

c)

DOH

d)

PHIVOLCS

148.

Who is the author of the book "On the Origin of Species”?

a)

Charles Darwin

b)

Albert Einstein

c)

Marie Curie

d)

Isaac Newton

149.

What is the primary effect of technology in transportation?

a)

Decreased Accessibility

b)

Reduced Efficiency

c)

Increased Mobility

d)

Limited Connectivity

150.

What is the term for a chemical reaction where a molecule gains or loses oxygen?

a)

Oxidation

b)

Reduction

c)

Redox Reaction

d)

Neutralization

151.

The study of genetic variation of a group of people in a community over a period of time and to see if there will be a changed in genetic information?

a)

Genomic Sequencing

b)

Genetic Mutation

c)

Population Genetics

d)

Hereditary Analysis

152.

Arrange in chronological order: I. Genetic engineering II. DNA sequencing III. Darwin's evolution theory IV. Genetic medicine V. Gregor Mendel's heredity

a)

III, IV, II, I, IV

b)

V, III, II, I, IV

c)

III, V, I, II, IV

d)

V, III, I, II, IV

153.

Kingdom is largest and inclusive while ______ is smallest and least inclusive.

a)

Species

b)

Genus

c)

Family

d)

Order

154.

Which statement is NOT true of the cell theory?

a)

All living organisms are composed of one or more cells.

b)

The cell is the basic unit of life in all organisms.

c)

All cells have a nucleus.

d)

Cells come from pre-existing cells through cell division.

155.

Which is not considered as a biomolecule?

a)

Calcium

b)

Lipids

c)

Carbohydrates

d)

Protein

156.

Represents a chemical reaction using sign and symbols.

a)

Molecular structure

b)

Molecular equation

c)

Molecular process

d)

Molecular phenomenon

157.

Which often occurs in the month of June and July?

a)

Whimsical

b)

Heat Wave

c)

Drizzle

d)

Eclipse

158.

Who pioneered the study of molecular asymmetry?

a)

Marie Curie

b)

Louis Pasteur

c)

Isaac Newton

d)

Albert Einstein

159.

Who discovered that microorganisms cause fermentation and disease; originated the process of pasteurization, saved the beer, wine, and silk industries in France?

a)

Marie Curie

b)

Louis Pasteur

c)

Isaac Newton

d)

Albert Einstein

160.

Which scientist is credited with the concept of natural selection in the process of evolution?

a)

Marie Curie

b)

Gregor Mendel

c)

Charles Darwin

d)

Albert Einstein

161.

Earliest to modern history of biology, which comes first?

a)

Theory of evolution (1859)

b)

Gregor Mendel (1866)

c)

GMO

d)

Medicine

162.

Which term is used to describe infants conceived through in vitro fertilization?

a)

Tube Babies

b)

IVF Babies

c)

Test Tube Babies

d)

Lab Babies

163.

What happens when two waves meet and coincide in such a way that they amplify each other's amplitude?

a)

Constructive Interference

b)

Destructive Interference

c)

Wave Cancellation

d)

Neutral Interference

164.

Which pigment is responsible for the green color in plants and plays a crucial role in photosynthesis?

a)

Carotene

b)

Melanin

c)

Chlorophyll

d)

Hemoglobin

165.

Which structure is a specific part of a plant cell where photosynthesis occurs?

a)

Chloroplast

b)

Mitochondria

166.

Which type of chemical reaction involves the exchange of ions between two compounds, leading to the formation of two new compounds?

a)

Double Displacement

b)

Single Displacement

167.

Med Biotechnology: CT Scanners, Health Biotech: ________

a)

X-ray

b)

Disease

168.

What phenomenon describes the emission of electrons from a material when it is exposed to light or other electromagnetic radiation?

a)

Photoelectric Effect

b)

Quantum Tunneling

169.

What term describes the practice of cultivating fish and other aquatic organisms in controlled environments such as ponds, tanks, or cages for commercial

a)

Hydroponics

b)

Aquaculture

170.

In human personality, where do habits originate?

a)

Combination of Nature and Nurture

b)

Environmental Influences

171.

Who is often credited with introducing the modern atomic theory in the early 19th century?

a)

John Dalton

b)

Albert Einstein

172.

Which of the following activities involves conducting experiments, making observations, and analyzing data in a controlled environment for scientific research?

a)

Field Research

b)

Laboratory Work

173.

What is the term used to describe the movement of solvent molecules from an area of lower solute concentration to an area of higher solute concentration through a semipermeable membrane?

a)

Osmosis

b)

Diffusion

174.

Reaction in organic chemistry can be understood by movement of _______ in space.

a)

Molecule

b)

Electron

175.

What laboratory apparatus that is named after a German chemist that can hold solutions?

a)

Erlenmeyer flask

b)

Beaker

176.

A reaction in which two molecules combine to form a single molecule. A small molecule, usually water is often removed.

a)

Neutralization

b)

condensation

177.

The Environmentalist who predicted or informed the world of the danger of climate change.

a)

Joseph Fourier

b)

Al Gore

178.

What is the most reliable form of energy?

a)

Nuclear Energy

b)

Non-renewable Energy

179.

The Arabs who were excellent geographers and navigators perfected the _____ navigational instruments to determine the altitude of stars and planets.

a)

Sunglass

b)

Astrolabe

180.

As technology connotes an human invention which of the following is mechanical technologically?

a)

Spring-driven clock

b)

Automobile

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