Class 9 SST Part 2 Chapter 2 MCQs

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Class 9 SST Part 2 Chapter 2 MCQs – Life on Earth

Class 9 Social Science (SST) Part 2 Chapter 2 MCQs with answers: chapter-wise multiple choice questions on Life on Earth, NCERT, CBSE 2026-27.

Welcome to the Class 9 SST Part 2 Chapter 2 Mock Test on Life on Earth. This interactive test is designed to help you prepare for your CBSE exams (2026-27) with confidence.

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Question 1

What is a large natural region where certain types of plants and animals live under similar climatic conditions called?

(a) Ecosystem
(b) Habitat
(c) Biome
(d) Community

Question 2

The word 'biome' is derived from which Greek word meaning 'life'?

(a) Bios
(b) Oikos
(c) Logos
(d) Physis

Question 3

How are biomes broadly categorised?

(a) Hot and Cold
(b) Terrestrial and Aquatic
(c) Tropical and Polar
(d) Natural and Artificial

Question 4

Which is the coldest biome found near the Arctic and Antarctic regions?

(a) Taiga
(b) Desert
(c) Grassland
(d) Tundra

Question 5

What is the condition where the soil is frozen almost year-round in the Tundra biome called?

(a) Permafrost
(b) Permeable
(c) Perennial
(d) Permafrost

Question 6

Which grasslands are known as prairies in North America and steppes in Asia?

(a) Tropical Grasslands
(b) Savannas
(c) Temperate Grasslands
(d) Desert Grasslands

Question 7

What are tropical grasslands also known as?

(a) Prairies
(b) Savannahs
(c) Steppes
(d) Pampas

Question 8

Which is one of the world's largest salt deserts located in Gujarat?

(a) Thar Desert
(b) Sahara Desert
(c) Gobi Desert
(d) Rann of Kutch

Question 9

Which of the following is an example of a cold desert?

(a) Gobi
(b) Sahara
(c) Thar
(d) Kalahari

Question 10

Aquatic biomes cover about how much of the Earth's surface?

(a) One-half
(b) One-third
(c) Three-fourths
(d) One-fourth

Question 11

Which of the following is a freshwater biome?

(a) Oceans
(b) Rivers and lakes
(c) Coral reefs
(d) Seas

Question 12

How do marine biomes influence the Earth's climate?

(a) By reflecting sunlight
(b) By producing oxygen only
(c) By absorbing all carbon dioxide
(d) By storing and distributing heat

Question 13

What does a biome pyramid represent?

(a) The trophic levels and energy flow in an ecosystem
(b) The population of a single species
(c) The geographical distribution of biomes
(d) The water cycle

Question 14

What forms the base of the biome pyramid?

(a) Carnivores
(b) Herbivores
(c) Producers (plants and algae)
(d) Top predators

Question 15

What is the variety of life on Earth, including plants, animals, and microorganisms, called?

(a) Ecosystem
(b) Biodiversity
(c) Biome
(d) Habitat

Question 16

Which of the following is a biodiversity hotspot in India?

(a) Thar Desert
(b) Ganga Plains
(c) Deccan Plateau
(d) Western Ghats

Question 17

What is responsible travel to nature-friendly places without harming the environment called?

(a) Ecotourism
(b) Mass tourism
(c) Adventure tourism
(d) Cultural tourism

Question 18

Which is India's first planned ecotourism destination?

(a) Mendha Lekha
(b) Jethipura
(c) Thenmala
(d) South Manubankul

Question 19

Which scheme aims to develop sustainable tourism destinations in India?

(a) PMGSY
(b) Swadesh Darshan 2.0
(c) PMAY
(d) MGNREGA

Question 20

Which of the following is a resource provided by forests?

(a) Only timber
(b) Only food
(c) Only medicine
(d) Food, fuel, fodder, medicine, timber, and bamboo

Question 21

Which of the following is a non-timber forest product?

(a) Honey
(b) Timber
(c) Bamboo
(d) Firewood

Question 22

What are small forest patches protected by local communities for religious purposes called?

(a) National Parks
(b) Wildlife Sanctuaries
(c) Sacred Groves
(d) Biosphere Reserves

Question 23

Which Act recognises the rights of forest dwellers over forest land and resources?

(a) PESA Act
(b) Forest Rights Act (FRA) 2006
(c) Joint Forest Management
(d) Wildlife Protection Act

Question 24

Which village was the first in India to gain rights over its forest resources under the FRA?

(a) Mendha Lekha
(b) Thenmala
(c) Jethipura
(d) South Manubankul

Question 25

What principle do the people of Mendha Lekha follow?

(a) Sarvodaya
(b) Gram Swaraj
(c) Satyagraha
(d) Mawa Nate Mawa Raj

Question 26

What are natural resources shared by a community, like forests and rivers, called?

(a) Private property
(b) Ecological commons
(c) Public goods
(d) Common wealth

Question 27

Which Act promotes community-led management of fisheries in Bihar?

(a) Bihar Fish Jalkar Management Act, 2006
(b) Indian Fisheries Act, 1897
(c) Forest Rights Act
(d) PESA Act

Question 28

What were the three-sided reservoirs built by the Gond kings called?

(a) Keres
(b) Eri tanks
(c) Katas
(d) Ahar pynes

Question 29

Who built around 8,000 tanks in the Bundelkhand region?

(a) The Cholas
(b) The Chandella and Bundela kings
(c) The Mauryas
(d) The Guptas

Question 30

Which of the following is a challenge faced by forest dwellers?

(a) Lack of access to essential facilities
(b) Too much urbanization
(c) Excessive government support
(d) No exposure to wildlife

Question 31

Which scheme aims to reduce the health issues faced by women due to fuelwood fumes?

(a) PMGSY
(b) PMAY
(c) MGNREGA
(d) Pradhan Mantri Ujjwala Yojana

Question 32

What is a major disaster that affects forests and forest dwellers?

(a) Earthquakes
(b) Forest fires
(c) Tsunamis
(d) Volcanoes

Question 33

What is it called when wild animals damage crops and cause economic losses to forest communities?

(a) Human-wildlife conflict
(b) Poaching
(c) Deforestation
(d) Afforestation

Question 34

According to the Forest Survey of India, what percentage of the country's forest cover is prone to forest fires?

(a) 10%
(b) 25%
(c) 36%
(d) 50%

Question 35

What is the common name for the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006?

(a) PESA Act
(b) JFM Act
(c) Tribal Welfare Act
(d) Forest Rights Act (FRA)

Question 36

Which programme encourages local communities to participate in protecting forests?

(a) PESA
(b) Joint Forest Management (JFM)
(c) FRA
(d) PM JANMAN

Question 37

Which initiatives aim to promote the welfare of tribal communities?

(a) DAJGUA and PM JANMAN
(b) PMGSY and PMAY
(c) MGNREGA and NRLM
(d) Swachh Bharat and Digital India

Question 38

What are shared natural resources that belong to the community as a whole called?

(a) Private property
(b) Public goods
(c) Ecological commons
(d) Common wealth

Question 39

Why is protecting ecological commons important?

(a) To privatize resources
(b) To maintain ecological balance and conserve biodiversity
(c) To increase industrial use
(d) To promote urbanization

Question 40

What does Bihar's 19th-century case study on fisheries suggest is best suited for riverine regions?

(a) Privatization
(b) Industrialization
(c) Urbanization
(d) Commons-based management

Question 41

What were the traditional water tanks built in Tamil Nadu called?

(a) Eri tanks
(b) Keres
(c) Katas
(d) Ahar pynes

Question 42

What does the name 'Thenmala' mean?

(a) Green Valley
(b) River Bank
(c) Honey Hill
(d) Forest Home

Question 43

What does ecotourism emphasize?

(a) Mass tourism
(b) Minimal environmental impact and local community support
(c) Building large hotels
(d) Clearing forests for tourism

Question 44

What does the Mandsaur Stone Inscription tell us about silk weavers?

(a) They only wove silk.
(b) They were government officials.
(c) They were farmers.
(d) They were proficient in weaving, archery, and astrology.

Question 45

How are biomes and living beings related?

(a) They are interconnected systems that depend on one another.
(b) They are completely independent.
(c) Living beings do not affect biomes.
(d) Biomes only provide shelter.

Question 46

What does biodiversity include besides the number of species?

(a) Only plants
(b) Only animals
(c) Genetic differences and variety of habitats
(d) Only microorganisms

Question 47

Which mountain range is a UNESCO World Heritage Site and a biodiversity hotspot?

(a) The Himalayas
(b) The Western Ghats
(c) The Aravallis
(d) The Vindhyas

Question 48

What does the chapter suggest about traditional knowledge and modern conservation?

(a) They are incompatible.
(b) Modern conservation is superior.
(c) Traditional knowledge is irrelevant.
(d) They can coexist and complement each other.

Question 49

Why are forests vital for many communities?

(a) They provide livelihood, culture, and survival resources.
(b) They are only for tourism.
(c) They are only for timber.
(d) They have no cultural significance.

Question 50

What is a major consequence of increasing population pressure on forests?

(a) More forest cover
(b) Less human-wildlife conflict
(c) Depletion of resources and human-wildlife conflict
(d) Improved biodiversity

Question 51

What is a recommended activity for students regarding forest fires?

(a) Ignoring forest fires
(b) Studying the impact of forest fires on forest-dependent people
(c) Starting a forest fire
(d) Only watching videos

Question 52

What map activity is suggested in the chapter?

(a) Marking national parks and sanctuaries
(b) Marking only rivers
(c) Marking only cities
(d) Marking only railway lines

Question 53

Why are forests called the 'lungs of the Earth'?

(a) They produce carbon dioxide
(b) They absorb oxygen
(c) They have no role in the atmosphere
(d) They absorb carbon dioxide and release oxygen

Question 54

Who should students discuss traditional forest conservation methods with?

(a) Only teachers
(b) Grandparents or elders
(c) Only friends
(d) Only online sources

Question 55

What does the variety of human interactions with forests highlight?

(a) Forests are not important.
(b) Only ecotourism matters.
(c) Forests' significance for various communities.
(d) Forests are only for timber.

Question 56

Why is protecting ecological commons important for rural and tribal communities?

(a) For their livelihoods and ecological balance
(b) For industrial use only
(c) For privatization
(d) For urbanization

Question 57

Which traditional water structure was funded by the Gond kings?

(a) Ahar pynes
(b) Eri tanks
(c) Keres
(d) Katas

Question 58

How many functional tanks are there in India at present, according to official estimates?

(a) 5 lakh
(b) 15 lakh
(c) 25 lakh
(d) 10 lakh

Question 59

What are sacred groves called in different parts of India?

(a) National Parks
(b) Wildlife Sanctuaries
(c) Devrai, Devarakadu, Kavu, Sarna
(d) Biosphere Reserves

Question 60

Why are sacred groves special?

(a) They are rich biodiversity hotspots.
(b) They are large forests.
(c) They are government-owned.
(d) They have no ecological value.

Question 61

How do human activities influence natural systems?

(a) They have no impact.
(b) They only affect cities.
(c) They only affect forests.
(d) They influence natural systems in significant ways.

Question 62

What does forest ecotourism help balance?

(a) Only tourism
(b) Tourism, environmental protection, and sustainable development
(c) Only environmental protection
(d) Only local community income

Question 63

What does the Mendha Lekha case study demonstrate?

(a) Traditional knowledge and democratic participation can coexist for sustainable conservation.
(b) Forests should be privatized.
(c) Only government control works.
(d) Communities cannot manage forests.

Question 64

What factors are used to classify biomes?

(a) Only temperature
(b) Only precipitation
(c) Temperature, precipitation, flora, and fauna
(d) Only flora

Question 65

What is a major consequence of increasing population pressure on forests?

(a) More forest cover
(b) Depletion of resources and human-wildlife conflict
(c) Less human-wildlife conflict
(d) Improved biodiversity

Test Completed!

Your Score:

0 / 65

Chapter Summary: Life on Earth

This chapter explores the concept of biomes—large natural regions characterised by specific climatic conditions, flora, and fauna. It classifies biomes into terrestrial (Tundra, Grassland, Desert, Forest) and aquatic (Freshwater and Marine) types. The chapter highlights how these biomes support diverse life forms and maintain the ecological balance of the planet. It also introduces the concept of the biome pyramid, illustrating the flow of energy through different trophic levels.

Furthermore, the chapter emphasizes the interconnectedness of biomes and living beings, focusing on biodiversity and its conservation. It discusses the importance of ecological hotspots, protected areas, and traditional practices like sacred groves. The chapter also explores the relationship between forests and livelihoods, highlighting the role of ecotourism, the challenges faced by forest dwellers (like human-wildlife conflict and forest fires), and government initiatives like the Forest Rights Act (FRA) and Joint Forest Management (JFM). Finally, it underscores the importance of ecological commons and community-led conservation models like Mendha Lekha and the Bihar Fish Jalkar Management Act.

Important Topics Covered

Biomes: Terrestrial and Aquatic
Biodiversity and Conservation (Hotspots, Protected Areas)
Ecotourism and Sustainable Livelihoods
Forests and Livelihoods (Non-Timber Forest Products, Sacred Groves)
Challenges Faced by Forest Dwellers (Human-Wildlife Conflict, Forest Fires)
Government Initiatives (Forest Rights Act, Joint Forest Management, PMUY)
Ecological Commons and Community-Led Management

Why is this Chapter Important?

Understanding life on Earth is crucial for appreciating the delicate balance of nature. This chapter explains how different biomes support diverse life forms and how human activities impact these ecosystems. It highlights the importance of biodiversity conservation and sustainable livelihoods. By learning about the challenges faced by forest communities and the role of ecological commons, students can develop a sense of responsibility towards protecting our planet and its inhabitants.

Frequently Asked Questions (FAQs)

Q1: What is a biome?

A biome is a large natural region of the world where certain types of plants and animals live under similar climatic conditions. Examples include Tundra, Desert, Grassland, and Rainforest.

Q2: What is biodiversity?

Biodiversity is the variety of life on Earth, including plants, animals, microorganisms, and the ecosystems they inhabit. It includes genetic differences within species and the variety of habitats.

Q3: What is the Forest Rights Act?

The Forest Rights Act (FRA) 2006 recognises the rights of eligible forest-dwelling communities over forest land and resources, allowing them to collect minor forest produce and cultivate small patches of land.

Q4: What are ecological commons?

Ecological commons are natural resources like forests, rivers, lakes, grazing lands, air, and biodiversity that are shared by a community and used collectively for its survival and well-being.

Quick Links: All Chapters & Resources

🏠 Main SST Solutions Hub 📝 All MCQs Hub

Part 1: Understanding Society (India and Beyond)

Ch 1: Understanding Social Science MCQ Test Solutions
Ch 2: Shaping of the Earth's Surface MCQ Test Solutions
Ch 3: Atmosphere and Climate MCQ Test Solutions
Ch 4: Early Humans and Beginning of Civilisation MCQ Test Solutions
Ch 5: State and Society up to 1000 CE MCQ Test Solutions
Ch 6: Democracy MCQ Test Solutions
Ch 7: Elections MCQ Test Solutions
Ch 8: Building Blocks in Economics MCQ Test Solutions
Ch 9: The Price Puzzle MCQ Test Solutions

Part 2: Understanding Society (India and Beyond)

Ch 1: Oceans and Life MCQ Test Solutions
Ch 2: Life on Earth MCQ Test Solutions
Ch 3: Resistance and Resilience MCQ Test Solutions
Ch 4: Governance and Public Policy MCQ Test Solutions
Ch 5: Managing Your Personal Finances MCQ Test Solutions
Ch 6: From Ideas to Startups MCQ Test Solutions

Based on latest NCERT class 9 book.