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 Page 1


R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
Page 2


R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
A food web shows how
all of the food chains in
an ecosystem are
connected. 
This is because each
organism in an
ecosystem occupies a
specific position in the
food chain or web
(trophic level). 
Page 3


R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
A food web shows how
all of the food chains in
an ecosystem are
connected. 
This is because each
organism in an
ecosystem occupies a
specific position in the
food chain or web
(trophic level). 
R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What are the different trophic
levels in a food web?
Page 4


R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
A food web shows how
all of the food chains in
an ecosystem are
connected. 
This is because each
organism in an
ecosystem occupies a
specific position in the
food chain or web
(trophic level). 
R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What are the different trophic
levels in a food web?
Trophic levels
Producers: 
Secondary Consumers: 
Tertiary Consumers: 
Apex Predators: 
Primary Consumers: 
Energy Flow
Make their own food
Mostly herbivores
Eat primary consumers. Can be 
omnivores or carnivores.
Eats primary and secondary consumers 
Have no predators other than humans
Page 5


R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What is a food web?
A food web shows how
all of the food chains in
an ecosystem are
connected. 
This is because each
organism in an
ecosystem occupies a
specific position in the
food chain or web
(trophic level). 
R a b b i t
S h r u b
L i o n
D e e r
T i g e r
What are the different trophic
levels in a food web?
Trophic levels
Producers: 
Secondary Consumers: 
Tertiary Consumers: 
Apex Predators: 
Primary Consumers: 
Energy Flow
Make their own food
Mostly herbivores
Eat primary consumers. Can be 
omnivores or carnivores.
Eats primary and secondary consumers 
Have no predators other than humans
Construct a food webs by
filling the blanks 
Hint: Higher level consumers at the top 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _
Hint: Start from the bottom with producers 
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FAQs on Quiz PPT: Our Environment - Science Class 10

1. What are the main components of the environment?
Ans. The environment consists of several key components, including the atmosphere (the layer of gases surrounding the Earth), hydrosphere (all water bodies), lithosphere (the Earth's solid surface), and biosphere (all living organisms). These components interact with one another and are essential for maintaining ecological balance.
2. How does pollution affect the environment?
Ans. Pollution negatively impacts the environment by contaminating air, water, and soil. It can lead to health problems in humans and wildlife, disrupt ecosystems, and contribute to climate change. Common types of pollution include air pollution from vehicles and industries, water pollution from waste disposal, and soil pollution from chemical fertilizers and pesticides.
3. What are some sustainable practices to protect the environment?
Ans. Sustainable practices to protect the environment include reducing waste through recycling and composting, conserving water and energy, using renewable resources like solar and wind energy, and promoting biodiversity by protecting natural habitats. Additionally, individuals can support sustainable agriculture and make eco-friendly choices in their daily lives.
4. What is the significance of biodiversity in the environment?
Ans. Biodiversity is crucial for a healthy environment as it enhances ecosystem productivity and resilience. A diverse range of species ensures natural sustainability for all life forms, providing food, clean air, and water. Biodiversity also contributes to ecosystem services such as pollination, nutrient cycling, and climate regulation.
5. What role do humans play in environmental conservation?
Ans. Humans play a vital role in environmental conservation by raising awareness about environmental issues, advocating for policies that protect natural resources, and engaging in conservation efforts such as reforestation, habitat restoration, and wildlife protection. Responsible consumption and lifestyle choices also significantly contribute to reducing environmental impact.
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