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Science Bee Multiple Choice

Total questions: 104

Worksheet time: 52mins

Name
Class
Date
1.

Which organelles are commonly called the “powerhouse of the cell”?

a)

Ribosomes

b)

Mitochondria

c)

Lysosomes

d)

Golgi bodies

2.

Which flying insects, closely related to butterflies, are often attracted to light?

a)

Dragonflies

b)

Grasshoppers

c)

Moths

d)

Beetles

3.

Which disease is characterized by malignant tumors of abnormally growing cells?

a)

Diabetes

b)

Cancer

c)

Influenza

d)

Pneumonia

4.

Which aquatic mammal is the largest animal ever to exist on Earth?

a)

Orca

b)

Humpback whale

c)

Blue whale

d)

Elephant seal

5.

Which dinosaur’s name means “three-horned face”?

a)

Triceratops

b)

Stegosaurus

c)

Velociraptor

d)

Brachiosaurus

6.

Which type of pathogen multiplies by infecting host cells with genetic material?

a)

Prions

b)

Protozoa

c)

Bacteria

d)

Viruses

7.

Which process in plants converts carbon dioxide into glucose?

a)

Photolysis

b)

Glycolysis

c)

Photosynthesis

d)

Fermentation

8.

Which structures are composed of proteins and a single molecule of DNA?

a)

Chromosomes

b)

Ribosomes

c)

Centrioles

d)

Spindles

9.

Which term describes a sequence of organisms that feed on each other?

a)

Energy pyramid

b)

Food chain

c)

Photosynthetic web

d)

Ecological niche

10.

Which cells are responsible for receiving sensory input and sending motor signals?

a)

Neurons

b)

Nephron cells

c)

Glial cells

d)

Epithelial cells

11.

What term describes a location where two or more bones connect?

a)

Tendon

b)

Ligament

c)

Joint

d)

Membrane

12.

Which large carnivorous dinosaur lived during the Late Cretaceous?

a)

Spinosaurus

b)

Diplodocus

c)

Tyrannosaurus rex

d)

Archaeopteryx

13.

Which organ pumps blood throughout the circulatory system?

a)

Lung

b)

Liver

c)

Heart

d)

Kidney

14.

Which substance is fossilized ancient tree resin?

a)

Amber

b)

Tar

c)

Opal

d)

Coal

15.

Which type of cell contains a nucleus, unlike a prokaryotic cell?

a)

Eukaryotic

b)

Myeloid

c)

Stem

d)

Plasmid

16.

Which tropical birds are known for imitating human speech?

a)

Peacocks

b)

Parrots

c)

Toucans

d)

Penguins

17.

How many pairs of chromosomes do humans typically have?

a)

20

b)

21

c)

22

d)

23

18.

Which tissue type comprises the vertebrate skeletal system?

a)

Cartilage

b)

Bone

c)

Muscle

d)

Adipose

19.

Which plants reproduce by releasing spores from their fronds?

a)

Conifers

b)

Cacti

c)

Ferns

d)

Grasses

20.

Which medical event occurs when blood flow to part of the heart is blocked?

a)

Heart attack

b)

Stroke

c)

Aneurysm

d)

Cardiac arrhythmia

21.

Which three examples—Andromeda, Cancer, and Orion—are types of what?

a)

Galaxies

b)

Asterisms

c)

Constellations

d)

Nebulae

22.

Which lunar phase makes the Moon appear invisible from Earth?

a)

Quarter moon

b)

Full moon

c)

Waning gibbous

d)

New moon

23.

Which planet became the farthest from the Sun after Pluto’s reclassification?

a)

Uranus

b)

Mars

c)

Neptune

d)

Venus

24.

Which unit is about six trillion miles, the distance light travels in one year?

a)

Astronomical unit

b)

Light-year

c)

Parsec

d)

Kilometer

25.

Which radio telescope in Puerto Rico was famous for detecting electromagnetic waves from space?

a)

Green Bank

b)

Arecibo

c)

VLA (Very Large Array)

d)

Chajnantor

26.

Which term refers to a planet that orbits a star other than our Sun?

a)

Dwarf planet

b)

Rogue planet

c)

Exoplanet

d)

Binary planet

27.

Which region lies between Mars and Jupiter, containing the dwarf planet Ceres?

a)

Kuiper Belt

b)

Scattered Disk

c)

Oort Cloud

d)

Asteroid belt

28.

Which triple star system is closest to the Sun?

a)

Alpha Centauri

b)

Procyon

c)

Sirius

d)

Polaris

29.

What event occurs when one celestial body blocks sunlight from another?

a)

Occultation

b)

Eclipse

c)

Transit

d)

Conjunction

30.

Which region in space has gravity so strong that light cannot escape?

a)

Nebula

b)

Quasar

c)

Black hole

d)

Pulsar

31.

Which U.S.-based satellite network is used for navigation?

a)

Galileo

b)

GLONASS

c)

GPS

d)

BeiDou

32.

What do we call a stellar explosion that occurs when a star runs out of fuel and collapses?

a)

Nova

b)

Supernova

c)

Pulsation

d)

Flare star

33.

Which region beyond Neptune includes Pluto and its moon Charon?

a)

Asteroid belt

b)

Kuiper Belt

c)

Oort Cloud

d)

Trojan region

34.

Which objects can create impact craters upon colliding with Earth?

a)

Meteoroids

b)

Comets

c)

Gas clouds

d)

Meteorites

35.

Which are high-energy electromagnetic waves often generated by astronomical events?

a)

Radio waves

b)

Infrared rays

c)

Gamma rays

d)

X-rays

36.

Which recognizable pattern of stars is not officially classified as a constellation?

a)

Globular cluster

b)

Open cluster

c)

Dark nebula

d)

Asterism

37.

Which was the first artificial satellite launched into low Earth orbit by the Soviet Union?

a)

Soyuz

b)

Sputnik

c)

Vostok

d)

Progress

38.

Which celestial objects are often described as “dirty snowballs,” made of ice and dust?

a)

Comets

b)

Asteroids

c)

Meteors

d)

Dwarf planets

39.

Which planet hosts the Great Red Spot, a massive storm?

a)

Saturn

b)

Jupiter

c)

Mars

d)

Uranus

40.

Which metal, symbol Ag, is the most electrically conductive element?

a)

Gold

b)

Silver

c)

Copper

d)

Platinum

41.

Which yellow-green gaseous halogen is often used to disinfect swimming pools?

a)

Helium

b)

Fluorine

c)

Chlorine

d)

Bromine

42.

Which element, the fifth most abundant in the universe, is commonly used for luminous signs?

a)

Argon

b)

Krypton

c)

Neon

d)

Oxygen

43.

Which arrangement of elements was first developed by Dmitri Mendeleev?

a)

Atomic chart

b)

Periodic table

c)

Elemental series

d)

Electronegativity grid

44.

Which heat-treatment process, named for a French chemist, kills microorganisms in food?

a)

Fermentation

b)

Decantation

c)

Pasteurization

d)

Distillation

45.

Which metal, symbol Sn, combines with copper to form bronze?

a)

Titanium

b)

Tin

c)

Zinc

d)

Lead

46.

Which metric measures acidity or basicity on a scale often said to be 0 to 14?

a)

Hardness

b)

pH

c)

Electrochemical potential

d)

Conductivity

47.

Which subdiscipline of chemistry deals with carbon-containing compounds, key to all known life?

a)

Inorganic chemistry

b)

Physical chemistry

c)

Organic chemistry

d)

Biochemistry

48.

Which process describes a solid changing directly to a gas?

a)

Condensation

b)

Evaporation

c)

Sublimation

d)

Melting

49.

Which historical practice aimed to turn base metals into precious metals like gold?

a)

Astrology

b)

Alchemy

c)

Metallurgy

d)

Hermeneutics

50.

Which element is the first in the periodic table and the most abundant in the universe?

a)

Hydrogen

b)

Helium

c)

Carbon

d)

Nitrogen

51.

Which substances, such as water and honey, have a definite volume but no fixed shape?

a)

Gases

b)

Liquids

c)

Solids

d)

Plasma

52.

Which exothermic reaction between a fuel and an oxidant releases heat or light?

a)

Neutralization

b)

Hydrolysis

c)

Combustion

d)

Redox

53.

Which laboratory device, named for a German chemist, produces an open flame?

a)

Van de Graaff generator

b)

Bunsen burner

c)

Erlenmeyer lamp

d)

Sievert torch

54.

Which family of elements in Group 18 is noted for extremely low chemical reactivity?

a)

Alkaline earth metals

b)

Noble gases

c)

Halogens

d)

Lanthanides

55.

Which toxic molecule consists of one carbon and one oxygen atom (CO)?

a)

Carbon dioxide

b)

Carbon monoxide

c)

Carboxyl

d)

Formaldehyde

56.

Which metal, symbol W, is used as filaments in incandescent bulbs?

a)

Wolfram (Tungsten)

b)

Nickel

c)

Chromium

d)

Magnesium

57.

Which American chemist, Gilbert N. ________, developed a classification for acids and bases?

a)

Wheeler

b)

Pettigrew

c)

Lewis

d)

Dalton

58.

Which process separates solids from a fluid by passing the mixture through a medium?

a)

Filtration

b)

Distillation

c)

Crystallization

d)

Clarification

59.

Which substances cause or promote cancer, such as arsenic?

a)

Antigens

b)

Antibodies

c)

Carcinogens

d)

Hormones

60.

Which decentralized digital currency type includes Bitcoin and Ethereum?

a)

NFTs

b)

Commodity money

c)

Cryptocurrency

d)

E-coupons

61.

Which markup language is used to create webpages for the World Wide Web?

a)

CSS

b)

HTML

c)

Python

d)

SQL

62.

Which immersive environment is generally experienced through a headset?

a)

Virtual reality

b)

Augmented reality

c)

Mixed reality

d)

Holographic reality

63.

Which component, abbreviated CPU, interprets and executes instructions on a computer?

a)

Graphics processing unit

b)

Sound card

c)

Central processing unit

d)

Power supply

64.

Which term describes mass-sending of unwanted messages via email or text?

a)

Surfing

b)

Phishing

c)

Spamming

d)

Telnetting

65.

Which technology provides wireless networking protocols for internet connectivity?

a)

Bluetooth

b)

Wi-Fi

c)

Ethernet

d)

4G LTE

66.

What is a step-by-step procedure for solving a problem in computer science?

a)

Data structure

b)

Flowchart

c)

Algorithm

d)

Code library

67.

Which programming language was originally developed at Bell Labs?

a)

Fortran

b)

Java

c)

C

d)

Pascal

68.

Which warm ocean current passes the Florida coast and moderates Europe’s climate?

a)

California Current

b)

Gulf Stream

c)

Humboldt Current

d)

Canary Current

69.

Which molecule (O₃) in the stratosphere helps block harmful UV radiation?

a)

Carbon dioxide

b)

Ozone

c)

Methane

d)

Argon

70.

Which period, also called the Last Ice Age, ended roughly 11,700 years ago?

a)

Precambrian

b)

Last Glacial Period

c)

Holocene Thermal Maximum

d)

Mesozoic

71.

Which molten rock erupts during a volcanic event?

a)

Magma

b)

Basalt

c)

Ash

d)

Lava

72.

Which process involves wind or water removing and transporting soil or rock?

a)

Deposition

b)

Erosion

c)

Weathering

d)

Cementation

73.

Which layer is the outermost part of Earth, lying above the mantle?

a)

Core

b)

Lithosphere

c)

Crust

d)

Mesosphere

74.

Which marine invertebrates form reefs and support diverse ocean ecosystems?

a)

Anemones

b)

Corals

c)

Sea urchins

d)

Crustaceans

75.

Which process, also called hydraulic fracturing, extracts oil and natural gas from shale rock?

a)

Coal mining

b)

Refining

c)

Drilling

d)

Fracking

76.

Which supercontinent eventually broke apart to form today’s continents?

a)

Gondwana

b)

Laurasia

c)

Pangaea

d)

Rodinia

77.

Which mineral, composed of silicon and oxygen (SiO₂), is second-most abundant in Earth’s crust?

a)

Feldspar

b)

Quartz

c)

Calcite

d)

Mica

78.

Which technique uses sound waves to detect underwater objects or measure distances?

a)

Radar

b)

Sonar

c)

Lidar

d)

Doppler effect

79.

Which volcanic feature forms when a cone collapses after a major eruption?

a)

Vent

b)

Lava dome

c)

Caldera

d)

Shield crater

80.

Which term refers to an extended period with very low precipitation?

a)

Monsoon

b)

Flood

c)

Drought

d)

Tornado

81.

Which type of numbers have exactly two factors—1 and themselves—and include 2 as the only even example?

a)

Natural numbers

b)

Prime numbers

c)

Composite numbers

d)

Irrational numbers

82.

Which type of number consists of both a real part and an imaginary part?

a)

Rational number

b)

Transcendental number

c)

Complex number

d)

Whole number

83.

Which mathematical constant, approximately 3.14159, is the ratio of a circle’s circumference to its diameter?

a)

e

b)

Pi

c)

√2

d)

Golden ratio

84.

Which theorem states that, in a right triangle, a² + b² = c²?

a)

Pythagorean theorem

b)

Binomial theorem

c)

Fundamental theorem of calculus

d)

Mean value theorem

85.

Which operation involves repeated multiplication of a number by itself?

a)

Logarithm

b)

Factorization

c)

Exponentiation

d)

Integration

86.

Which set includes all whole numbers—positive, negative, and zero?

a)

Rational numbers

b)

Real numbers

c)

Integers

d)

Complex numbers

87.

Which point is formed where two lines, edges, or curves meet?

a)

Focus

b)

Vertex

c)

Apex

d)

Intersection

88.

Which branch of mathematics examines the likelihood of events?

a)

Geometry

b)

Probability

c)

Algebra

d)

Trigonometry

89.

Which scientist (1642–1727) is associated with the law of gravity and the famous apple anecdote?

a)

Albert Einstein

b)

Galileo Galilei

c)

Johannes Kepler

d)

Isaac Newton

90.

Which objects have magnetic fields that can attract or repel certain metals or other objects like themselves?

a)

Microscopes

b)

Batteries

c)

Magnets

d)

Diodes

91.

Which part of the atom, containing protons and neutrons, lies at the center?

a)

Electron cloud

b)

Atomic shell

c)

Atomic nucleus

d)

Quark core

92.

Which type of reaction involves a fuel combining with an oxidant, releasing heat and light?

a)

Photosynthesis

b)

Combustion

c)

Dehydration

d)

Fusion

93.

Which electromagnetic waves, discovered by Wilhelm Roentgen, are used for imaging internal structures?

a)

Radio waves

b)

X-rays

c)

Infrared waves

d)

Gamma rays

94.

Which force opposes an object’s motion through a fluid (like air or water)?

a)

Tension

b)

Buoyancy

c)

Drag

d)

Lift

95.

Which property describes an object’s ability to return to its original shape after deformation?

a)

Plasticity

b)

Elasticity

c)

Rigidity

d)

Brittleness

96.

Which point describes the temperature at which a liquid transitions to vapor?

a)

Melting point

b)

Triple point

c)

Boiling point

d)

Sublimation point

97.

Which part of the electromagnetic spectrum has the highest energy and can be produced by astronomical events?

a)

Radio waves

b)

Ultraviolet rays

c)

Visible light

d)

Gamma rays

98.

Which nuclear reaction occurs when a heavy atomic nucleus splits into two smaller nuclei?

a)

Fusion

b)

Photodisintegration

c)

Fission

d)

Beta decay

99.

Which term refers to the rate at which pressure waves travel, with exceeding it producing a sonic boom?

a)

Speed of sound

b)

Speed of light

c)

Mach altitude

d)

Shock velocity

100.

Which property describes an object’s tendency to remain in motion or at rest unless acted upon?

a)

Momentum

b)

Impulse

c)

Inertia

d)

Velocity

101.

Which force resists motion between two contacting surfaces?

a)

Tension

b)

Thrust

c)

Friction

d)

Compression

102.

Which phenomenon involves chaotic or irregular fluid flow, often experienced by airplanes?

a)

Diffusion

b)

Turbulence

c)

Streamline

d)

Resonance

103.

How many fundamental forces exist in physics—gravity, electromagnetism, strong nuclear, and weak nuclear?

a)

Two

b)

Three

c)

Four

d)

Five

104.

Which area of physics studies sound, including its production and transmission?

a)

Optics

b)

Acoustics

c)

Thermodynamics

d)

Kinematics