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How Living Things Get Their Energy

45 Soal Kelas 9, Pelajaran Sekolah
Mode Latihan Mode Ujian
Lihat Paket Soal Lainnya

Soal dan Pembahasan

Soal #1
Plants are called consumers because they consume sunlight to make food.
A. True
B. False
Kunci Jawaban: B
Penjelasan

False. Plants are called 'producers' because they produce their own food using sunlight.

Soal #2
A herbivore is an animal that only eats meat.
A. True
B. False
Kunci Jawaban: B
Penjelasan

False. A herbivore is an animal that only eats plants. A carnivore eats meat.

Soal #3
The arrows in a food chain show which way the energy is moving.
A. True
B. False
Kunci Jawaban: A
Penjelasan

True. The arrow points from the organism being eaten to the organism that eats it, showing the flow of energy.

Soal #4
Every food chain must start with a consumer.
A. True
B. False
Kunci Jawaban: B
Penjelasan

False. Every food chain must start with a producer (usually a plant) that makes its own energy.

Soal #5
Fungi and bacteria are good examples of decomposers.
A. True
B. False
Kunci Jawaban: A
Penjelasan

True. Decomposers like fungi and bacteria break down dead material.

Soal #6
A kangaroo is a carnivore because it is a large animal.
A. True
B. False
Kunci Jawaban: B
Penjelasan

False. A kangaroo is a herbivore because it eats plants (grass).

Soal #7
A habitat is the natural home of a living thing.
A. True
B. False
Kunci Jawaban: A
Penjelasan

True. A habitat provides the food, water, and shelter an organism needs to survive.

Soal #8
Humans are called omnivores because they eat both plants and animals.
A. True
B. False
Kunci Jawaban: A
Penjelasan

True. Omnivores are consumers that have a diet of both plants and other animals.

Soal #9
Decomposers are important because they return nutrients to the soil.
A. True
B. False
Kunci Jawaban: A
Penjelasan

True. By breaking down dead material, decomposers act as nature's recyclers.

Soal #10
A koala is a producer because it lives in a tree.
A. True
B. False
Kunci Jawaban: B
Penjelasan

False. A koala is a consumer (a herbivore) because it eats the leaves of the tree. The tree is the producer.

Soal #11
What is the role of a plant, like grass, in a food chain?
A. Consumer
B. Producer
C. Decomposer
D. Habitat
Kunci Jawaban: B
Penjelasan

Plants are producers because they produce their own food using sunlight.

Soal #12
An animal that eats only plants is called a...
A. Carnivore
B. Omnivore
C. Herbivore
D. Producer
Kunci Jawaban: C
Penjelasan

Herbivores are consumers that have a diet consisting only of plants.

Soal #13
Which of these animals is an example of a carnivore?
A. Wombat
B. Kangaroo
C. Eagle
D. Caterpillar
Kunci Jawaban: C
Penjelasan

An eagle is a carnivore because it eats other animals (meat). Wombats, kangaroos, and caterpillars are herbivores.

Soal #14
What do the arrows in a food chain show?
A. Where the animal lives
B. How old the animal is
C. The flow of energy
D. How big the animal is
Kunci Jawaban: C
Penjelasan

The arrows point from the organism being eaten to the one that eats it, showing how energy moves up the food chain.

Soal #15
Which of these is an example of a producer?
A. Worm
B. Gum tree
C. Koala
D. Human
Kunci Jawaban: B
Penjelasan

A gum tree is a plant, and plants are producers because they make their own food.

Soal #16
What is the main job of a decomposer?
A. To make its own food
B. To hunt other animals
C. To break down dead plants and animals
D. To only eat plants
Kunci Jawaban: C
Penjelasan

Decomposers are nature's recyclers, breaking down dead material and returning nutrients to the environment.

Soal #17
Which of these is an example of an omnivore?
A. Shark
B. Wombat
C. Grass
D. Possum
Kunci Jawaban: D
Penjelasan

A possum is an omnivore because it eats both plants (like berries) and animals (like insects).

Soal #18
What does every food chain start with?
A. A carnivore
B. A decomposer
C. A producer
D. An omnivore
Kunci Jawaban: C
Penjelasan

The energy for the entire food chain comes from the producer, which makes its own food.

Soal #19
The natural home of a living thing is called its...
A. Food chain
B. Habitat
C. Role
D. Energy
Kunci Jawaban: B
Penjelasan

A habitat is the specific environment where an organism lives.

Soal #20
Which of the following gets its energy directly from the sun?
A. A herbivore
B. A carnivore
C. A producer
D. A decomposer
Kunci Jawaban: C
Penjelasan

Producers, like plants, use sunlight to make their own food through photosynthesis.

Soal #21
In the food chain: Grass -> Rabbit -> Fox. What is the rabbit?
A. Producer
B. Decomposer
C. Herbivore
D. Carnivore
Kunci Jawaban: C
Penjelasan

The rabbit is a consumer that eats the plant (grass), making it a herbivore.

Soal #22
Which one of these is NOT a type of consumer?
A. Herbivore
B. Producer
C. Carnivore
D. Omnivore
Kunci Jawaban: B
Penjelasan

A producer makes its own food. Herbivores, carnivores, and omnivores are all types of consumers that eat other things.

Soal #23
An animal that eats BOTH plants and animals is called an...
A. Omnivore
B. Herbivore
C. Carnivore
D. Decomposer
Kunci Jawaban: A
Penjelasan

Omni- means 'all', so an omnivore is an animal that eats all types of food.

Soal #24
In the food chain: Seaweed -> Snail -> Fish. Which organism is the producer?
A. Snail
B. Fish
C. Seaweed
D. The water
Kunci Jawaban: C
Penjelasan

Seaweed is a type of algae, which is a plant-like organism that makes its own food, so it is the producer.

Soal #25
Which of these living things helps return nutrients to the soil?
A. A producer
B. A consumer
C. A decomposer
D. The sun
Kunci Jawaban: C
Penjelasan

Decomposers break down dead material, which releases nutrients back into the soil for plants to use.

Soal #26
A caterpillar munching on a leaf is acting as a...
A. Producer
B. Carnivore
C. Decomposer
D. Herbivore
Kunci Jawaban: D
Penjelasan

Since the caterpillar is eating a plant (the leaf), it is a herbivore.

Soal #27
The main source of ALL energy in almost every food chain is...
A. The air
B. The soil
C. The sun
D. The water
Kunci Jawaban: C
Penjelasan

The sun provides the initial energy for the producers, which then gets passed along the food chain.

Soal #28
Photosynthesis is a process used by...
A. Animals to breathe
B. Plants to make food
C. Fungi to decompose
D. Animals to hunt
Kunci Jawaban: B
Penjelasan

Photosynthesis is the special process plants use to turn sunlight, water, and air into their own food.

Soal #29
Which of these is NOT a living thing?
A. A mushroom
B. A tree
C. A rock
D. A worm
Kunci Jawaban: C
Penjelasan

A rock is non-living. Mushrooms (decomposers), trees (producers), and worms (decomposers/consumers) are all living things.

Soal #30
What do you call a food chain in the ocean?
A. A land chain
B. A food web
C. An aquatic food chain
D. A producer chain
Kunci Jawaban: C
Penjelasan

Aquatic means 'relating to water', so a food chain in the ocean or a lake is an aquatic food chain.

Soal #31
An animal that only eats meat is called a ______.
Kunci Jawaban: Carnivore
Penjelasan

Carnivores are consumers that get their energy from eating other animals.

Soal #32
The natural home where a plant or animal lives is its ______.
Kunci Jawaban: Habitat
Penjelasan

A habitat provides food, water, and shelter for an organism.

Soal #33
Living things that can make their own food are called ______.
Kunci Jawaban: Producers
Penjelasan

Producers, like plants, are the start of every food chain.

Soal #34
A ______ shows how energy moves from one living thing to another.
Kunci Jawaban: Food chain
Penjelasan

A food chain is a model used to show the flow of energy in an ecosystem.

Soal #35
An animal that eats both plants and animals is an ______.
Kunci Jawaban: Omnivore
Penjelasan

Omnivores, like humans and possums, eat a variety of foods.

Soal #36
Mushrooms and bacteria that break down dead things are called ______.
Kunci Jawaban: Decomposers
Penjelasan

Decomposers are nature's recyclers.

Soal #37
The arrows in a food chain show the flow of ______.
Kunci Jawaban: Energy
Penjelasan

Energy moves from the thing that is eaten to the thing that eats it.

Soal #38
A consumer that only eats plants is called a ______.
Kunci Jawaban: Herbivore
Penjelasan

Herbivores like koalas and kangaroos eat only plants.

Soal #39
Living things that must eat other living things for energy are ______.
Kunci Jawaban: Consumers
Penjelasan

Consumers cannot make their own food, so they eat producers or other consumers.

Soal #40
The process plants use to make their own food from sunlight is ______.
Kunci Jawaban: Photosynthesis
Penjelasan

Photosynthesis is how producers create their own energy.

Soal #41
What is a producer? Give one example and explain how it gets energy.
Kunci Jawaban: A producer is a living thing that makes its own food. An example is grass. Grass gets its energy from the sun through a process called photosynthesis.
Penjelasan

A good answer must define a producer, provide a correct example (any plant), and mention that it gets its energy from the sun.

Soal #42
What are the three types of consumers? Describe what each one eats.
Kunci Jawaban: The three types of consumers are herbivores, carnivores, and omnivores. Herbivores only eat plants. Carnivores only eat other animals (meat). Omnivores eat both plants and animals.
Penjelasan

The answer must name all three types (herbivore, carnivore, omnivore) and correctly describe the diet of each.

Soal #43
What is a decomposer and why is it important for a habitat?
Kunci Jawaban: A decomposer is a living thing, like fungi or bacteria, that breaks down dead plants and animals. They are important because they return nutrients to the soil, which helps new plants to grow.
Penjelasan

A complete answer must define a decomposer and explain its important role as a recycler of nutrients in the environment.

Soal #44
Draw or describe a food chain with three living things. Label the producer and the consumer(s).
Kunci Jawaban: An example is: Leaf -> Caterpillar -> Bird. The Leaf is the producer. The Caterpillar and the Bird are both consumers. (The caterpillar is a herbivore, the bird is a carnivore).
Penjelasan

The answer must show a logical sequence of three organisms, starting with a plant. It must correctly label the producer and the consumer(s).

Soal #45
Explain what the arrows in a food chain mean.
Kunci Jawaban: The arrows in a food chain show the direction that energy flows. The arrow points from the living thing that is eaten to the living thing that eats it.
Penjelasan

The key concept is that the arrows represent the flow of energy, not just 'who eats who'. The direction of the flow is also important.

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