40 Latest Grade 7 Middle School Even Semester Science Questions 2026

26 August 2026

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News Summary

Science material for class 7, even semester, focuses on understanding the concepts of the universe and the interactions of living things in ecosystems. These practice questions help students deepen their knowledge about the organization of life, the environment and the solar system systematically. By practicing multiple choice questions, students can evaluate their abilities and prepare themselves for the end-of-year assessment optimally.

Basic Concepts of Life and Ecosystems

Understanding the concept of the universe and the interactions of living things is the main focus in class 7 science material in this even semester. These practice questions are designed to help students deepen their understanding of the organization of life, ecosystems, and the solar system. Use this collection of multiple choice questions as an independent evaluation instrument to prepare yourself for the end-of-year assessment with optimal results.

Multiple Choice Questions and Answers

The smallest unit of living things is called…

A. Network

B. Organs

C. Cell

D. Organ Systems

Answer Key: C. Cell
The order of organization of life from smallest to largest is…

A. Cells – Organs – Tissues – Organ Systems – Organisms

B. Cells – Tissues – Organs – Organ Systems – Organisms

C. Organisms – Organ Systems – Organs – Tissues – Cells

D. Tissue – Cells – Organs – Organ Systems – Organisms

Answer Key: B. Cells – Tissues – Organs – Organ Systems – Organisms
The part of the cell that functions to regulate all cell activities is…

A. Cytoplasm

B. Mitochondria

C. Cell nucleus Nucleus.

D. Ribosomes

Answer Key: C. Cell nucleus Nucleus.
The main difference between plant cells and animal cells is that plants have…

A. Cell membrane

B. Cell walls and chloroplasts

C. Cell nucleus

D. Cytoplasm

Answer Key: B. Cell walls and chloroplasts
The tissue in plants that functions to transport water and minerals from the roots to the leaves is…

A. Phloem

B. Xylem

C. Parenchyma

D. Epidermis

Answer Key: B. Xylem
The physical environment or inanimate objects in an ecosystem are called components…

A. Biotic

B. Abiotic

C. Biosphere

D. Atmosphere

Answer Key: B. Abiotic
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An example of a biotic component in a rice field ecosystem is…

A. Water, land, and air

B. Rice, grasshoppers, and frogs

C. Sunlight and temperature

D. Fertilizer and hoe

Answer Key: B. Rice, grasshoppers, and frogs
The mutually beneficial interaction between two living things is called symbiosis…

A. Parasitism

B. Commensalism

C. Mutualism

D. Amensalism

Answer Key: C. Mutualism
A buffalo eating grass in the field is included in the level…

A. Manufacturer

B. Consumer I

C. Consumer II

D. Decomposer

Answer Key: B. Consumers I
Organisms that are able to make their own food through photosynthesis are called…

A. Heterotrophs

B. Autotrophs

C. Saprophytes

D. Parasites

Answer Key: B. Autotrophs
The transfer of energy in an ecosystem through eating and being eaten is called…

A. Food pyramid

B. Food webs

C. Food chain

D. Energy cycle

Answer Key: C. Food chain
The entry of living things, substances or energy into the environment so that the quality of the environment decreases is called…

A. Greening

B. Pollution

C. Conservation

D. Rehabilitation

Answer Key: B. Pollution
Water pollution caused by detergent waste can cause very rapid growth of aquatic plants, this phenomenon is called…

A. Oxidation

B. Eutrophication

C. Abrasion

D. Erosion

Answer Key: B. Eutrophication
The main gas that triggers the greenhouse effect in the earth’s atmosphere is…

A. Oxygen O2.

B. Carbon dioxide CO2.

C. Nitrogen N2.

D. Helium He.

Answer Key: B. Carbon dioxide CO2.
One of the impacts of global warming on the polar environment is…

A. Increased amount of ice

B. Melting of polar ice

C. The air temperature is getting colder

D. Reduced evaporation of sea water

Answer Key: B. Melting of polar ice
The outermost layer of the earth where living things live is called…

A. Earth’s mantle

B. Outer core

C. Earth’s crust

D. Inner core

Answer Key: C. Earth’s crust
Rocks formed from the cooling of magma are called…

A. Sediment

B. Malihan

C. Frozen

D. Metamorphic

Answer Key: C. Frozen
The tool used to record earthquake vibrations is…

A. Thermometer

B. Barometer

C. Seismograph

D. Hygrometer

Answer Key: C. Seismograph
The layer of the atmosphere closest to the Earth’s surface is…

A. Stratosphere

B. Mesosphere

C. Troposphere

D. Exosphere

Answer Key: C. Troposphere
The ozone layer, which functions to protect the earth from ultraviolet radiation, is found in the…

A. Troposphere

B. Stratosphere

C. Thermosphere

D. Mesosphere

Answer Key: B. Stratosphere
The center of our solar system is…

A. Earth

B. Moon

C. Sun

D. Jupiter

Answer Key: C. Sun
The planet known as the \”Red Planet\” is…

A. Venus

B. Mars

C. Mercury

D. Saturn

Answer Key: B. Mars
Giant exoplanet group. consist of…

A. Mercury, Venus, Earth, Mars

B. Jupiter, Saturn, Uranus, Neptune

C. Venus, Earth, Mars, Jupiter

D. Mars, Jupiter, Saturn, Uranus

Answer Key: B. Jupiter, Saturn, Uranus, Neptune
The rotation of the earth on its axis is called…

A. Earth’s revolution

B. Earth’s rotation

C. Earth’s orbit

D. Earth’s gravity

Answer Key: B. Earth’s rotation
The result of the Earth’s rotation is that…

A. Change of seasons

B. The difference in the length of day and night

C. Alternation of day and night

D. Solar eclipse

Answer Key: C. Alternation of day and night
The time it takes for the earth to orbit the sun once is…

A. 24 hours

B. 30 days

C. 365.25 days

D. 12 hours

Answer Key: C. 365.25 days
A lunar eclipse occurs when the positions of the sun, earth and moon are in a straight line with…

A. Moon in the middle

B. The sun is in the center

C. Earth in the middle

D. Star in the middle

Answer Key: C. Earth in the middle
The celestial bodies that revolve around planets are called…

A. Star

B. Satellite

C. Asteroids

D. Meteors

Answer Key: B. Satellite
A collection of the sun, planets and other celestial bodies is called…

A. Galaxy

B. Solar system

C. Constellations

D. Universe

Answer Key: B. Solar system
Earth’s natural satellite is…

A. Palapa

B. Moon

C. Titan

D. Phobos

Answer Key: B. Moon
The part of the eye that functions to regulate the amount of light entering the eye is…

A. Retina

B. Lens

C. Pupil

D. Ocular nerve

Answer Key: C. Pupil
The transfer of heat through an intermediate substance without movement of the particles of the substance is called…

A. Conduction

B. Convection

C. Radiation

D. Evaporation

Answer Key: A. Conduction
Sunlight reaches the earth via heat transfer…

A. Conduction

B. Convection

C. Radiation

D. Induction

Answer Key: C. Radiation
Substances that can cause pollution are called…

A. Pollution

B. Pollutants

C. Waste

D. Toxin

Answer Key: B. Pollutants
Efforts to reduce the use of goods that can damage the environment are called…

A. Recycle

B. Reuse

C. Reduce

D. Replace

Answer Key: C. Reduce
The cell organelle that functions as a place for cellular respiration to produce energy is…

A. Lysosomes

B. Golgi body

C. Mitochondria

D. Endoplasmic reticulum

Answer Key: C. Mitochondria
A group of cells that have the same shape and function is called…

A. Organs

B. Network

C. Organ systems

D. Organism

Answer Key: B. Network
The abiotic components that plants really need for the process of photosynthesis are…

A. Oxygen and water

B. Sunlight and carbon dioxide

C. Soil and oxygen

D. Nitrogen and temperature

Answer Key: B. Sunlight and carbon dioxide
The planet with the most beautiful and clearly visible rings is…

A. Uranus

B. Jupiter

C. Saturn

D. Neptune

Answer Key: C. Saturn
Tidal events are influenced by the force of gravity…

A. Sun only

B. Earth only

C. Moon and sun

D. Planet Jupiter

Answer Key: C. Moon and sun