Question 1

What is the basic unit of life?

Accepted Answer

Cell

Answer

Molecule

Answer

Atom

Answer

Organism

Question 2

Which organelle is responsible for energy production in cells?

Accepted Answer

Mitochondrion

Answer

Ribosome

Answer

Endoplasmic reticulum

Answer

Nucleus

Question 3

What type of biomolecule are enzymes?

Accepted Answer

Proteins

Answer

Nucleic acids

Answer

Carbohydrates

Answer

Lipids

Question 4

In what part of the plant does photosynthesis primarily take place?

Accepted Answer

Leaves

Answer

Stems

Answer

Flowers

Answer

Roots

Question 5

What is the process by which organisms maintain a stable internal environment?

Accepted Answer

Homeostasis

Answer

Respiration

Answer

Reproduction

Answer

Metabolism

Question 6

What term describes the variety of life and its processes?

Accepted Answer

Biodiversity

Answer

Symbiosis

Answer

Ecology

Answer

Genetics

Question 7

Which kingdom includes multicellular, photosynthetic organisms?

Accepted Answer

Plantae

Answer

Fungi

Answer

Animalia

Answer

Protista

Question 8

What is the SI unit of force?

Accepted Answer

Newton

Answer

Pascal

Answer

Watt

Answer

Joule

Question 9

What element is the most abundant in the universe?

Accepted Answer

Hydrogen

Answer

Nitrogen

Answer

Carbon

Answer

Oxygen

Question 10

What type of bond is formed by the sharing of electrons between atoms?

Accepted Answer

Covalent

Answer

Metallic

Answer

Ionic

Answer

Hydrogen

Question 11

In the periodic table, what do elements in the same column have in common?

Accepted Answer

A

Answer

Atomic number

Answer

Number of neutrons

Answer

Number of protons

Answer

Number of valence electrons

Question 12

Which state of matter has a definite volume but no definite shape?

Accepted Answer

Liquid

Answer

Gas

Answer

Plasma

Answer

Solid

Question 13

What is the process of a liquid becoming a gas?

Accepted Answer

Evaporation

Answer

Sublimation

Answer

Freezing

Answer

Condensation

Question 14

What type of energy is possessed by moving objects?

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Thermal energy

Answer

Chemical energy

Question 15

What layer of the Earth is composed of liquid iron and nickel?

Accepted Answer

Outer core

Answer

Inner core

Answer

Mantle

Answer

Crust

Question 16

What is the term for the point on the Earth's surface directly above the focus of an earthquake?

Accepted Answer

Epicenter

Answer

Apex

Answer

Vertex

Answer

Hypocenter

Question 17

Which of these layers of the atmosphere is closest to space?

Accepted Answer

Thermosphere

Answer

Stratosphere

Answer

Mesosphere

Answer

Troposphere

Question 18

What celestial phenomenon occurs when the Moon moves into the shadow of the Earth?

Accepted Answer

Lunar eclipse

Answer

Solar eclipse

Answer

New moon

Answer

Full moon

Question 19

What is the main gas responsible for the greenhouse effect on Earth?

Accepted Answer

Carbon dioxide

Answer

Methane

Answer

Nitrogen

Answer

Oxygen

Question 20

What are large-scale patterns of water circulation in the ocean called?

Accepted Answer

Currents

Answer

Whirlpools

Answer

Tides

Answer

Waves

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