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Worksheets

Actual March 2023

Total questions: 160

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

Which of the following is not an organic compound?

a)

Water

b)

Carbon

c)

Sulfur

d)

Phosphorus

2.

What is the longest cell in the body?

a)

Epithelial cell

b)

Nerve cell

c)

Skin cell

d)

Sensory cell

3.

What is the second most abundant element in the human body accounting for 18 % of the body?

a)

Carbon

b)

Hydrogen

c)

Nitrogen

d)

Oxygen

4.

A disorder that causes loss of old and new memories

a)

Alzheimer’s disease

b)

Parkinson’s disease

c)

Cerebral Palsy

d)

Huntington's disease

5.

Cow eat plants and humans eat cow, what are humans?

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Detritivore

6.

Orchid in the tree, birds build’s nest on trees, etc. are an example of

a)

Commensalism

b)

Parasitism

c)

Mutualism

d)

Predation

7.

It is referred to as “indivisible” because it’s believed that it is the smallest particle

a)

Atom

b)

Proton

c)

Electron

d)

Neutron

8.

An ion with a negative charge:

a)

Proton

b)

Electron

c)

Neutron

d)

Anion

9.

It is the process by which species from different ancestors develop similar characteristics/structures?

a)

Speciation

b)

Natural selection (Convergent Evolution)

c)

Gradualism

d)

Common descent

10.

What study focuses more on metals and minerals?

a)

Analytic chemistry

b)

Organic chemistry

c)

Inorganic chemistry

d)

Biochemistry

11.

What is the highest level in taxonomy?

a)

Domain

b)

Phylum

c)

Kingdom

d)

Species

12.

The following are domains of life EXCEPT ______.

a)

Eukarya

b)

Prokaryota

c)

Archaea

d)

Bacteria

13.

Zebra, Horses, donkeys and mules have a lot of similarities because they belong to the same

a)

Genus

b)

Species

c)

Taxonomy

d)

Phylum

14.

What is the study of chemical process of living organisms?

a)

Biochemistry

b)

Microbiology

c)

Biotechnology

d)

Genetic Engineering

15.

The set of observable characteristics in an individual resulting from the expression of genes?

a)

Phenotype

b)

Genotype

c)

Genetics

d)

Genes

16.

A change in the DNA sequence of an organism maybe due to radiation, etc. is called ______.

a)

mutation

b)

mutagen

c)

metabolism

d)

evolution

17.

When a section of genes or DNA, are removed from an organism and supplemented or inserted into the plasmid?

a)

Gene mapping

b)

Gene splicing

c)

Gene sequencing

d)

Gene ordering

18.

What is the distance between two consecutive waves?

a)

Wavelength

b)

Frequency

c)

Period

d)

Amplitude

19.

Cylindrical container in the laboratory used in measuring, mixing and pouring chemicals

a)

Beaker

b)

Autoclave

c)

Crucible

d)

Flask

20.

Range of technologies that employ living organisms or parts of them to make diverse product

a)

Microbiology

b)

Biochemistry

c)

Biotechnology

d)

Biophysics

21.

Cup-like receptacle made of porcelain used for heating inside the lab.

a)

Autoclave

b)

Beaker

c)

Crucible

d)

Graduated cylinder

22.

Rate at which something occurs or is repeated over a particular period of time or the number of waves passing by a specific point in a period is called ____________.

a)

frequency

b)

period

c)

wavelength

d)

amplitude

23.

Processes of removing harmful bacteria from packed or unpacked milks and juices by applying mild heat

a)

pasteurization

b)

sterilization

c)

homogenization

d)

decontamination

24.

Sahara: dessert :: arctic: _____

a)

tundra

b)

biome

c)

forest

d)

grassland

25.

The weight of an object on earth is greater than its weight on the moon because Earth has greater ______.

a)

Gravitational pull

b)

Density

c)

Atmospheric Pressure

d)

Magnetic Field

26.

Factory of cement, plastics companies contribute to the more than half of

a)

Sulfuric rain

b)

Greenhouse gases

c)

Acid rain

d)

Ocean acidification

27.

The cell wall, vacuole, and the plastids are found in

a)

Animals

b)

Plants

c)

Fungi

d)

Bacteria

28.

The time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent

a)

inoculation

b)

incubation

c)

intoxication

d)

latency

29.

What law resembles “redshift”?

a)

Kepler’s law

b)

Doppler’s Law

c)

Hubble’s Law

d)

Newton’s Law of Gravitation

30.

Which of the following is not a kind of protein?

a)

Globular

b)

Membrane

c)

Spiral

d)

Fibrous

31.

What is the goal to generate the first sequence of the human genome?

a)

Human Genome Project

b)

Development of artificial intelligence (AI)

c)

Exploration of the deep sea

d)

Commercial space travel

32.

The magnitude of displacement is always

a)

Less than the distance travelled

b)

Less than or equal to the distance travelled

c)

Greater than the distance travelled

d)

Equal to the distance travelled

33.

What is the temperature of Mercury when it’s nearest the Sun?

a)

430∞C

b)

250∞C

c)

-100∞C

d)

1000∞C

34.

The first organic compound that is derived from inorganic?

a)

Ammonium ozonate

b)

Nucleic acid

c)

Phosphorus

d)

Urea

35.

Referring to the geological time scale, which is true among the following:

a)

The quaternary period is the youngest period.

b)

We are currently living in the quaternary period.

c)

The quaternary period epoch is the oldest epoch.

d)

We are currently In the Industrial epoch.

36.

Which of the following is the correct from least to greatest?

a)

Organism-population-community-ecosystem-biome-biosphere

b)

Organism - population - ecosystem - community - biome - biosphere

c)

Organism - community - population - ecosystem - biome - biosphere

d)

Organism - community - ecosystem - population - biome – biosphere

37.

Which of the following is from largest to smallest?

a)

Biosphere, ecosystem, community, population, and organism

b)

Biosphere, ecosystem, population, community, and organism

c)

Biosphere, community, ecosystem, population, and organism

d)

Ecosystem, biosphere, community, population, and organism

38.

Which of the following is of the sun?

a)

Rille

b)

Prominence

c)

Macron

d)

Maria

39.

What is a machine that provides a physical method of sterilization by killing bacteria, viruses, and even spores present in the material put inside of the vessel using steam under pressure?

a)

autoclave

b)

Spectroscope

c)

Bunsen burner

d)

X-ray machine

40.

What type of data is shown?

a)

Table

b)

Pie Chart

c)

Bar Graph

d)

Pictograph

41.

What is the ratio between the speed of light to the crown glass?

a)

0.658

b)

1.97

c)

1.5

d)

2.00 x 10^8

42.

What is an example of predation?

a)

Human hunting the animal for food.

b)

Plant photosynthesizing sunlight

c)

Fungus breaking down dead organic matter

d)

Bacteria converting nitrogen in the soil to a usable form

43.

Which one/s take place in radioactive decay?

I. An unstable atomic nucleus spontaneously loses energy by emitting ionizing particles and radiation

II. A stable atomic nucleus alpha and beta particles

III. An atom of one type transforms to an atom of another type that results to a decay chain

a)

I and III

b)

II and III

44.

What is the classification of the animal-like, plant-like organisms?

a)

Bacteria

b)

Protists

c)

Fungi

d)

Virus

45.

Arrange from most dangerous to least dangerous: pollution, climate change, alien species, lost of habitat.

a)

Climate change → Pollution → Loss of habitat → Alien species

b)

Pollution → Climate change → Alien species → Loss of habitat

c)

Alien species → Climate change → Pollution → Loss of habitat

d)

Pollution → Loss of habitat → Climate change → Alien species

46.

Which of the following is correct?

a)

Producer – consumer – predator

b)

Consumer – producer – predator

c)

Predator – producer – consumer

d)

Producer – predator – consumer

47.

Protozoa, seaweed and molds belong to?

a)

Fungi

b)

Protista

c)

Archaea

d)

Bacteria

48.

Who discovered penicillin?

a)

Hooke

b)

Leuwenhook

c)

Curie

d)

Fleming

49.

The power rating of an electric motor that draws current of 3A when operated a 120 V is _______.

a)

40 watts

b)

360 watts

c)

1000 watts

d)

400 watts

50.

The force between the charges given at a particular distance.

a)

Coulombs Law

b)

Ohm’s Law

c)

Kirchhoff’s Rule

d)

Hunds Rule

51.

Which of the following is a homogenous solution?

a)

water

b)

blood

c)

milk

d)

sand

52.

What is the term involves using relationships between reactants and/or products in a chemical reaction?

a)

Redox reactions

b)

Chemical bonding

c)

Balancing equations

d)

Stoichiometry

53.

Catalyst: Enzymes - Hydrolysis: ___

a)

Absorption

b)

Breathing

c)

Digestion

d)

Reaction

54.

Which of the following belong to plant cells and not found in animal cells?

a)

Chloroplasts, Cell wall, Central vacuole, Plasmodesmata, Amyloplasts

b)

Nucleus, Mitochondria, Lysosomes

c)

Cilia, Flagella, Centrioles

d)

Golgi apparatus, Endoplasmic reticulum, Ribosomes

55.

What energy transformation takes place in a generator?

a)

Electrical to mechanical

b)

Heat to mechanical

c)

Mechanical to electrical

d)

Chemical to mechanical

56.

Plants are eaten by humans and animals. They are considered as _______.

a)

Omnivore

b)

Carnivore

c)

Herbivore

d)

Detritivore

57.

The horizontal movement of the air is called __________.

a)

Jet Stream

b)

Wind

c)

Ocean Currents

d)

Updraft

58.

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)

Triglyceride

d)

Sulfuric

59.

Who is the monk that coined the term “cell”?

a)

Robert Hooke

b)

Carolus Linnaeus

c)

Aristotle

d)

Gregor Mendel

60.

What is the cell organelle that make most of the energy for the cell and have their own genetic material that is different from the genetic material found in the nucleus?

a)

Endoplasmic Reticulum

b)

Golgi Apparatus

c)

Lysosomes

d)

Mitochondrion

61.

What energy is involved when a power bank is connected to a charging cellphone?

a)

Kinetic Energy

b)

Potential Energy

c)

Chemical Energy

d)

Gravitational Energy

62.

What is the field of chemistry that study organic substances and compounds?

a)

Inorganic Chemistry

b)

Biochemistry

c)

Nuclear Chemistry

d)

Organic Chemistry

63.

What process kills harmful microbes in milk without affecting the taste or nutritional value?

a)

Freezing

b)

Canning

c)

Pasteurization

d)

Fermentation

64.

What is the study of enzymes and enzyme-catalyzed reactions?

a)

Enzymology

b)

Endocrinology

65.

What is the largest ecosystem in the world, composed of 71%?

a)

Ocean

b)

Sahara

66.

What is a reliable source of energy?

a)

Renewable energy

b)

Nuclear energy

67.

It is the unit structure of carbohydrates?

a)

Saccharide

b)

Lipid

68.

Plants produce oxygen in daytime and carbon dioxide at night through the holes in their leaves called _____.

a)

Stomata

b)

Mitochondria

69.

Which of the following can’t be tested through blood test?

a)

Syphilis

b)

Gonorrhea

70.

Most common to be tested in laboratory?

a)

CBC

b)

Herpes

71.

What are complex macromolecules responsible for building, repairing tissues and helping in metabolic processes?

a)

Protein

b)

Carbohydrates

72.

What looks like a spilled milk-shaped galaxy according to ancient people?

a)

Milky Way

b)

Andromeda Galaxy

73.

Which of the following do not dissolve in water?

a)

Triglyceride

b)

Organometallic

74.

In a two-dimensional diagram, the vertical axis is called __.

a)

abscissa

b)

ordinates

75.

The following are examples of frequency count except

a)

Cumulative

b)

Grouped

c)

Ungrouped

d)

Nominal

76.

These processes maintains and shows homeostasis EXCEPT

a)

Respiration

b)

Relaxation

c)

Locomotion

d)

Excretion

77.

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

a)

DNA

b)

Lipids

78.

Which is not made of carbon?

a)

Paint

b)

Dye

79.

Chronological order from earlier to present:

a)

Leuwenhoek – Pasteur - Lister

b)

Lister – Pasteur – Leuwenhoek

80.

Who coined the word “gene”?

a)

Johansenn

b)

Mendel

81.

What graph uses pictures in presenting data?

a)

Table

b)

Pictograph

82.

What is the energy currency of the cell?

a)

ATP

b)

Glucose

83.

What is the energy in a powerbank?

a)

Light Energy

b)

Chemical energy

84.

The weight of an object on moon is lesser than its weight on the earth because moon has lesser _.

a)

Gravitational pull

b)

Density

85.

The following can cause mutation in DNA except:

a)

UV radiation

b)

Continental Drift

c)

Exposure to certain chemicals

d)

Errors during DNA replication

86.

Regenerative medicine: Stem Cell as genetic engineering: _______.

a)

Preventive Medicine

b)

Alternative medicine

87.

Genetic engineering: Preventive medicine as stem cell: _____________

a)

Regenerative medicine

b)

Preventive Medicine

88.

Plants are producers and secondary consumers are humans, which are ______.

a)

carnivore

b)

omnivore

89.

Which of the following is LEAST considered in discovering a new exoplanetary system?

a)

Radial Velocity

b)

Direct Imaging

c)

Transit Method

d)

Alignment of stars

90.

What do you call the process when you combine acid and base that produces water and salt?

a)

Electrolysis

b)

Neutralization

91.

H2O2 becomes H20 and oxygen. What do you call this process?

a)

Decomposition

b)

Synthesis

92.

In a two-dimensional diagram, the horizontal axis is called __.

a)

abscissa

b)

ordinates

93.

Which of the following is not considered as an animal, fungi and plant?

a)

Chordata

b)

Protista

94.

Battery is ________.

a)

Direct current

b)

Electromagnetic wave

95.

What percent of speed of light is speed of light in crown glass?

a)

66.3

b)

3.0x108

96.

Find the force of repulsion + 0.5 and +2 with a distance of 3m?

a)

2.998 x 10^8 N

b)

9.986 x 10^8 N

97.

What is a line where a body rotates and divides into 2 equal parts?

a)

axis

b)

equator

98.

Dialysis is used if there is a failure of ______.

a)

Kidney

b)

Pancreas

99.

It is a bond when two non-metals react.

a)

metallic

b)

Covalent

100.

It is the process when you combine Na and Cl.

a)

Synthesis

b)

Decomposition

101.

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

a)

Convergent

b)

Divergent

102.

Ice pellet that didn’t melt but still land on the ground as a solid?

a)

Hail

b)

Sleet

103.

In a cell, which of the following is the largest component?

a)

water

b)

plasma

104.

It shows the number of atoms of an element in the equation?

a)

Exponent

b)

Subscript

105.

____________ are natural ecosystems, what do you call an aquarium, pond, zoo?

a)

Artificial ecosystem

b)

Simulated ecosystem

106.

What is used to determine if there is a something wrong with the sequence of nucleotides or how to know the location of the gene?

a)

Gene mapping

b)

Gene splicing

107.

is the process of determining the order of nucleotides in a DNA molecule?

a)

Gene mapping

b)

Gene sequencing

108.

What do you call the interaction of a sea anemone and a clownfish?

a)

Mutualism

b)

Commensalism

109.

What is the study of the cell?

a)

Histology

b)

Cytology

110.

These are the elements that is a primary make up of a living thing except sulfur.

a)

CHON (carbon, hydrogen, oxygen, and nitrogen)

b)

SiAlCa (silicon, aluminum, and calcium

111.

Who is the father of taxonomy?

a)

Carolus Linnaeus

b)

Gregor Mendel

112.

Who is the father of heredity?

a)

Carolus Linnaeus

b)

Gregor Mendel

113.

What to do to ensure safety from microbes in an experiment?

a)

Decontamination

b)

Filtration

114.

It consists of the 65 percent in human body and makes up most of the cell.

a)

Water

b)

Oxygen

115.

Initial evidence that supports the big bang theory of the creation of the universe came from ____.

a)

data from the Hubble Space Telescope

b)

redshift calculations by Edwin Hubble

116.

Which statement on intensive farming or agriculture is CORRECT?

a)

It involves a relatively high input of labor.

b)

It helps solve environmental pollution.

c)

It is contrary to sustainable agriculture

d)

It supports environment conservation

117.

During periods of increased global temperatures, which of the following is most likely to occur?

a)

An increase in earthquakes

b)

An increase in atmospheric CO2

c)

A decrease in earthquakes

d)

A decrease in atmospheric CO2

118.

Why are dams thicker at their bottom than at their tops?

a)

Water weighs more at the bottom

b)

Water pressure is higher at the bottom

c)

Water is denser at the bottom

d)

The temperature is higher at the bottom

119.

What is the highest classification of plants and animals?

a)

Kingdom

b)

Phylum

c)

Genus

d)

Taxonomy

120.

Mosquitoes, ticks and lice suck blood from other organisms because they are _____.

a)

Herbivores

b)

Carnivores

c)

Parasites

d)

Omnivores

121.

What is the ratio of 5/20=50/200?

a)

0.25

b)

0.20

c)

4

d)

0.4

122.

One complete wave is called ______.

a)

crest

b)

frequency

c)

trough

d)

cycle

123.

Which of the following doesn’t cause global warming?

a)

Fossil Fuels

b)

Dry Cell Energy

c)

Non-renewable energy

d)

Gas

124.

Med Biotechnology: CT Scanners, Nutritional Biotech: ________.

a)

X-ray

b)

Ultrasound

c)

Diet Therapy

d)

Endoscopy

125.

What is the primary function of science in the field of education?

a)

Limiting creativity

b)

Encouraging competition

c)

Providing a source of information

d)

Focusing on practical skills only

126.

What is a significant benefit of utilizing science in the field of medicine?

a)

Promoting alternative treatments

b)

Controlling the spread of diseases

c)

Reducing the need for healthcare professionals

d)

Eliminating the use of medications

127.

In a food chain, which category do carnivores typically fall into?

a)

Primary producers

b)

Primary consumers

c)

Secondary consumers

d)

Decomposers

128.

Which of the following instruments can be used to magnify distant objects?

a)

Microscope

b)

Thermometer

c)

Telescope

d)

Barometer

129.

What limitation does a microscope help overcome when observing small objects?

a)

Inability to see with the naked eye

b)

Difficulty measuring temperature

c)

Inability to detect sound waves

d)

Difficulty determining distance

130.

In which common process is yeast typically used?

a)

Fermentation for alcohol production

b)

Baking bread and other goods

c)

Producing electricity

d)

Purifying water

131.

Which phenomenon can have a negative impact on mollusk populations and may result in shellfish poisoning?

a)

Ocean acidification

b)

Coral bleaching

c)

Red tide

d)

Coastal erosion

132.

What term best describes the relationships between different organisms in a food web?

a)

Isolated

b)

Competitive

c)

Intertwined

d)

Repetitive

133.

How are the relationships between organisms typically represented in a food chain?

a)

Circular

b)

Hierarchical

c)

Linear

d)

Random

134.

Which cellular structures are described as hair-like and aid in the movement of cells or substances around cells?

a)

Flagella

b)

Cilia

c)

Microtubules

d)

Pseudopodia

135.

What is the primary force responsible for a guava falling from its tree or if you are playing a yoyo?

a)

Air resistance

b)

Gravitational pull

c)

Centripetal force

d)

Magnetic attraction

136.

What term describes an entity that occupies space, contains various particles, has different size and mass, and exhibits inertia?

a)

Energy

b)

Matter

c)

Vacuum

d)

Force

137.

Which category of organic compounds do margarine and olive oil belong to?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic acids

138.

What term is used to describe harmful organisms such as bacteria and viruses?

a)

Mutagens

b)

Microbes

c)

Enzymes

d)

Hormones

139.

What process in primitive plants is responsible for the abundance of oxygen in Earth's atmosphere?

a)

Cellular respiration

b)

Fermentation

c)

Photosynthesis

d)

Nitrogen fixation

140.

What term is used to describe the path of light in physics and optics?

a)

Wave

b)

Particle

c)

Ray

d)

Frequency

141.

Which of the following best describes the result when an object's length and height are both doubled?

a)

Twofold increase

b)

Threefold increase

c)

Fourfold increase

d)

Sixfold increase

142.

What is the average number of eggplants harvested below across 4 days? Day 1= 12 Day 2= 10 Day 3= 15 Day 4= 19

a)

10 eggplants per day

b)

12 eggplants per day

c)

14 eggplants per day

d)

16 eggplants per day

143.

Which term refers to the supercontinent that existed approximately 335 million years ago, consisting of all Earth's land masses?

a)

Gondwana

b)

Laurasia

c)

Rodinia

d)

Pangaea

144.

What is the method used to create a Modified Genetic Organism and what are some of its potential uses?

a)

Selective breeding for agriculture

b)

Genetic engineering for medical purposes

c)

Hybridization for environmental conservation

d)

Artificial selection for industrial purposes

145.

What type of organism is not included in the main kingdoms of life?

a)

Fungi

b)

Plants

c)

Animals

d)

Bacteria

146.

What is phylogenetics and how does it aid in understanding the evolutionary relationships and diversification of species?

a)

The study of physical characteristics and adaptation of species

b)

The analysis of genetic data and molecular evidence to reconstruct evolutionary history

c)

The observation of behavior and social structures of species

d)

The classification of species based on morphological similarities

147.

How does Genetic Drift impact the genetic variation and evolution of populations, and what are some examples of this process?

a)

The accumulation of mutations over time

b)

The loss of genetic diversity due to chance events

c)

The survival and reproduction of certain traits due to natural selection

d)

The exchange of genes between populations via migration

148.

What is the Doppler shift?

a)

The change in frequency of a wave due to relative motion between the source and observer

b)

The process of reflecting sound waves off of objects

c)

The bending of light as it passes through a medium with a different refractive index

d)

The transfer of energy from one point to another through vibration or oscillation

149.

What type of organism is not considered part of the main kingdoms of life?

a)

Fungi

b)

Plants

c)

Animals

d)

Virus

150.

What are the main causes of global warming and what are some of its impacts on the environment and human society?

a)

Natural phenomena such as volcanic eruptions

b)

Human activities such as burning fossil fuels and deforestation

c)

Changes in the Earth's orbit and tilt

d)

All of the above

151.

What are electrolytes and what is their function in the human body?

a)

Substances that regulate fluid balance

b)

Vitamins and minerals for the immune system

c)

Proteins involved in cellular metabolism

d)

Hormones for growth and development.

152.

Household products: detergents :: Acid: _____

a)

Baking soda

b)

Citrus foods

c)

Drain cleaners

d)

Ammonia

153.

What is convection and how does it work in the transfer of heat in liquids and gases?

a)

The transfer of heat through the movement of molecules

b)

The transfer of heat through the movement of electromagnetic waves

c)

The transfer of heat through direct contact

d)

The transfer of heat through radiation

154.

What is radiation and how does it play a role in the transfer of heat?

a)

The transfer of heat through the movement of molecules

b)

The transfer of heat through the movement of electromagnetic waves

c)

The transfer of heat through direct contact

d)

The transfer of heat through the emission of electromagnetic waves, such as light and heat, from a source without the need for a medium to carry it.

155.

What is parasitism and how does it differ from other symbiotic relationships in the biological world?

a)

A symbiotic relationship where both organisms benefit from the interaction

b)

A symbiotic relationship where one organism benefits and the other is unaffected

c)

A symbiotic relationship where one organism benefits and the other is harmed

d)

A symbiotic relationship where both organisms are harmed from the interaction.

156.

What is the state of matter of the rays of the sun?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

157.

What was the name of the volcano that erupted in 1990?

a)

Mount St. Helens

b)

Mount Vesuvius

c)

Mount Pinatubo

d)

Mount Etna

158.

What is a hemisphere and how is it used to describe the division of the Earth's surface?

a)

A circle that divides the Earth into equal halves

b)

A region that includes half of the Earth's surface, either the northern or southern half

c)

A part of the Earth's surface that is defined by its longitude and latitude

d)

A region that includes one of the Earth's poles and the equator.

159.

What is the commonly used scale to measure the magnitude of an earthquake?

a)

Mercalli Scale

b)

Richter Scale

c)

Moment Magnitude Scale

d)

Macroseismic Scale

160.

_______ can be separated into its components by physical means.

a)

Mixture

b)

Substance

c)

Element

d)

Compound