Science Quiz For Class 5
Science has always been a captivating and enlightening subject. You can take this science quiz for class 5 to check your basic understanding. This quiz is curated to captivate young imaginations, covering diverse scientific topics with a touch of curiosity. From the basic building blocks of matter to the mysteries of the universe, each question is designed to intrigue and stimulate young minds.
Challenge students to think critically about the natural world, fostering a sense of wonder and understanding. With a seamless blend of education and fun, that serves as a delightful tool for both students and educators. Encourage Read morea love for science, inspire inquisitive thinking with our science quiz questions for class 5 with answers. Take the quiz, share your results with friends, and see who is better in science!
Science For Class 5 Questions and Answers
- 1.
What is the source of energy for producers?
- A.
The Earth
- B.
The wind
- C.
The Sun
- D.
Water
Correct Answer
C. The SunExplanation
Producers, such as plants and algae, are organisms that can make their own food through the process of photosynthesis. Photosynthesis uses energy from sunlight to convert carbon dioxide and water into glucose (a type of sugar) and oxygen. This glucose is then used by the producers as a source of energy to grow and carry out their life functions. The other options are incorrect because they do not provide the primary energy source for photosynthesis.Rate this question:
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- 2.
What kind of organism comes last in every food chain?
- A.
Omnivores
- B.
Consumers
- C.
Producers
- D.
Decomposers
Correct Answer
D. DecomposersExplanation
Decomposers come last in every food chain because they break down dead organic matter and recycle nutrients back into the ecosystem. They play a crucial role in the food chain by breaking down the remains of plants and animals, returning essential nutrients to the soil or water. This process allows for the continued growth of producers, which are then consumed by consumers, and the cycle repeats. Decomposers are essential for maintaining the balance and sustainability of ecosystems.Rate this question:
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- 3.
Which of the following is NOT a state of matter?
- A.
Solid
- B.
Liquid
- C.
Gas
- D.
Plasma
- E.
Vacuum
Correct Answer
E. VacuumExplanation
A vacuum is the absence of matter, not a state of matter itself. The states of matter are defined by the arrangement and behavior of molecules. In a solid, molecules are tightly packed and have a fixed shape. In a liquid, molecules are less tightly packed and can flow. In a gas, molecules are widely spaced and move freely. Plasma is a superheated state where atoms are ionized.Rate this question:
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- 4.
What substance is produced when a plant performs the process of photosynthesis?
- A.
Carbon dioxide
- B.
Nitrogen
- C.
Oxygen and Glucose
- D.
Green pigment
Correct Answer
C. Oxygen and GlucoseExplanation
During the process of photosynthesis, plants convert sunlight, water, and carbon dioxide into glucose (a type of sugar) and oxygen. Oxygen is produced as a byproduct of photosynthesis and is released into the atmosphere. This oxygen is essential for the survival of many organisms, including humans, as it is needed for respiration. Therefore, the correct answer is oxygen and glucose.Rate this question:
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- 5.
What are plants also called?
- A.
Consumers
- B.
Producers
- C.
Herbivores
- D.
Decomposers
Correct Answer
B. ProducersExplanation
Plants are called producers because they have the ability to produce their own food through the process of photosynthesis. They convert sunlight, water, and carbon dioxide into glucose and oxygen, which is a fundamental process for sustaining life on Earth. Unlike consumers, which obtain energy by consuming other organisms, and decomposers, which break down dead organic matter, plants are unique in their ability to synthesize their own food, making them the primary source of energy in most ecosystems.Rate this question:
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- 6.
What is a food web?
- A.
A web made out of food
- B.
A spider's eating habits
- C.
Inter lapping food chains
- D.
A spider's home
Correct Answer
C. Inter lapping food chainsExplanation
A food web refers to the interconnected feeding relationships between different organisms in an ecosystem. It consists of multiple food chains that overlap and interact with each other. Each food chain represents a series of organisms where one organism is eaten by another, forming a relatively linear pathway of energy transfer. The concept of interlapping food chains emphasizes the complex and interconnected nature of these relationships within an ecosystem.Rate this question:
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- 7.
What is the correct order of the following sequence (rabbit, fox, carrots, fungi) in a food chain?
- A.
Carrots, fox, rabbit, fungi
- B.
Fungi, rabbit, fox, carrot
- C.
Carrot, rabbit, fox, fungi
- D.
None of the above
Correct Answer
C. Carrot, rabbit, fox, fungiExplanation
In a food chain, the correct order is based on the flow of energy from producers to consumers. Carrots are the producers (plants) that are eaten by rabbits (herbivores), which are then eaten by foxes (carnivores). Fungi act as decomposers, breaking down dead organisms like the fox after it dies, returning nutrients to the soil. This sequence correctly represents the flow of energy in the food chain.Rate this question:
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- 8.
How are nutrients returned to the ecosystem?
- A.
Decomposers
- B.
Producers
- C.
Consumers
- D.
Scavengers
Correct Answer
A. DecomposersExplanation
Decomposers play a vital role in returning nutrients to the ecosystem. They break down dead organisms and organic waste, releasing nutrients back into the environment. Through the process of decomposition, decomposers such as bacteria and fungi break down complex organic matter into simpler forms, which can then be utilized by producers (plants) to perform photosynthesis and produce food. This nutrient cycling is crucial for maintaining the balance and sustainability of the ecosystem.Rate this question:
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- 9.
What is a community of organisms living together called?
- A.
Ecosystem
- B.
Biosphere
- C.
Habitat
- D.
Population
Correct Answer
A. EcosystemExplanation
An ecosystem refers to a community of organisms that live together in a specific area and interact with each other and their environment. It includes both living organisms, such as plants, animals, and microorganisms, as well as the non-living components, such as soil, water, and air. The interactions within an ecosystem are complex and involve processes like energy flow, nutrient cycling, and ecological relationships. By studying ecosystems, scientists gain insights into the interdependence of organisms and their environment, helping to understand the functioning and balance of natural systems.Rate this question:
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- 10.
What is the flow of energy between organisms called?
- A.
Energy transfer
- B.
Food web
- C.
Energy cycle
- D.
Trophic flow
Correct Answer
B. Food webExplanation
A food web describes the complex and interconnected relationships through which energy flows in an ecosystem, from producers like plants and algae that create their own food via photosynthesis, to various levels of consumers (herbivores, carnivores) that rely on each other for energy, and finally to decomposers that break down dead organisms. This network of energy transfers, more detailed than a linear food chain, showcases how each species is linked and emphasizes the balance necessary for ecological stability.Rate this question:
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Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Dec 12, 2024Quiz Edited by
ProProfs Editorial Team
Expert Reviewed by
Daniel P -
Dec 22, 2009Quiz Created by
Drhanah
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