The following 20 Multiple Choice Questions (MCQ) are based on
Chapter 12: Patterns in Life: Diversity and Classification from the NCERT Class 9
Science textbook Exploration. Each question has four options - select the
best answer and click to check.
Instructions: Read each question carefully. Choose the most
appropriate option from (a), (b), (c), or (d). Click
Show Answer to reveal the correct answer with explanation.
Multiple Choice Questions
1Biodiversity refers to the:
(a) Variety of living organisms
(b) Number of rocks only
(c) Uniformity of all species
(d) Amount of rainfall
(a) is correct
It includes the enormous variety of life forms and their differences.
2Why is biodiversity important for ecosystems?
(a) Every organism has no role
(b) Interconnected organisms support stability and functioning
(c) It prevents nutrient cycling
(d) It eliminates food webs
(b) is correct
Producers, consumers, decomposers and pollinators contribute complementary ecological functions.
3Classification helps scientists by:
(a) Ignoring relationships
(b) Organising diversity using shared traits and relationships
(c) Giving every organism the same name
(d) Removing variation
(b) is correct
Systematic grouping makes identification, comparison and evolutionary study manageable.
4Modern biological classification considers:
(a) Only habitat
(b) Shared characteristics and evolutionary relationships
(c) Only body size
(d) Only usefulness to humans
(b) is correct
Multiple traits and ancestry provide a more natural picture of diversity.
5Which kingdom contains unicellular prokaryotes?
(a) Protista
(b) Monera
(c) Fungi
(d) Animalia
(b) is correct
Monerans lack a membrane-bound nucleus and are predominantly unicellular.
6Which organism belongs to Monera?
(a) Bacterium
(b) Amoeba
(c) Mushroom
(d) Moss
(a) is correct
Bacteria are prokaryotic organisms placed in Monera in the five-kingdom system.
7Kingdom Protista mainly includes:
(a) Multicellular prokaryotes
(b) Unicellular eukaryotes
(c) Only flowering plants
(d) Animals with backbones
(b) is correct
Protists such as Amoeba have eukaryotic cells but are usually unicellular.
8Which organism is a protist?
(a) Amoeba
(b) Bacterium
(c) Mushroom
(d) Earthworm
(a) is correct
Amoeba is a unicellular eukaryote.
9Fungi obtain food mainly by:
(a) Photosynthesis
(b) Absorbing nutrients from organic matter
(c) Ingesting food into a stomach
(d) Making food from rocks
(b) is correct
Fungi are heterotrophs that secrete enzymes and absorb dissolved nutrients.
10A characteristic feature of fungal cell walls is the presence of:
(a) Chitin
(b) Haemoglobin
(c) Bone
(d) Starch only
(a) is correct
Chitin is a major structural material in fungal cell walls.
11Members of Plantae are generally:
(a) Multicellular autotrophs with cellulose walls
(b) Unicellular prokaryotes
(c) Heterotrophs without cell walls
(d) Only aquatic animals
(a) is correct
Plants typically photosynthesise and have cellulose cell walls.
12Members of Animalia are generally:
(a) Autotrophs with cell walls
(b) Multicellular heterotrophs without cell walls
(c) Unicellular prokaryotes
(d) Absorptive decomposers only
(b) is correct
Animals ingest food and their cells lack rigid walls.
13Which plant group lacks true roots, stems and leaves and commonly lives in water?
(a) Algae
(b) Gymnosperms
(c) Angiosperms
(d) Pteridophytes
(a) is correct
Algal bodies are generally thalloid and many species are aquatic.
14Bryophytes are often called amphibians of the plant kingdom because they:
(a) Live only in oceans
(b) Live on land but need water for reproduction
(c) Have flowers and fruits
(d) Produce naked seeds
(b) is correct
They are terrestrial plants whose sexual reproduction depends on water.
15Pteridophytes differ from bryophytes by having:
(a) Vascular tissues
(b) Flowers
(c) Fruits
(d) No embryo
(a) is correct
Ferns and allies possess xylem and phloem but reproduce by spores.
16Gymnosperms bear:
(a) Seeds enclosed in fruits
(b) Naked seeds
(c) Only spores and no seeds
(d) Flowers with ovaries
(b) is correct
Their seeds are not enclosed by an ovary or fruit.
17Angiosperms are characterised by:
(a) Flowers and seeds enclosed in fruits
(b) Naked seeds only
(c) Absence of vascular tissue
(d) Prokaryotic cells
(a) is correct
Flowering plants form seeds within ovaries that develop into fruits.
18In binomial nomenclature, a scientific name contains:
(a) Family and order
(b) Genus and species
(c) Kingdom and phylum
(d) Only a common name
(b) is correct
The two-part universal name identifies the genus followed by the specific epithet.
19In a printed scientific name, the correct convention is to:
(a) Capitalise both words
(b) Italicise both; capitalise the genus only
(c) Use only uppercase letters
(d) Translate it into every local language
(b) is correct
For example, Homo sapiens has an initial capital for the genus and lowercase species epithet.
20Fossils are valuable because they provide evidence about:
(a) Only present weather
(b) Past life and evolutionary change
(c) Future inventions
(d) Modern common names only
(b) is correct
Preserved remains or traces reveal organisms and environments from earlier times.
What is covered in CBSE Class 9 Science Chapter 12 Patterns in Life: Diversity and Classification?
This chapter covers all key topics from Patterns in Life: Diversity and Classification as per CBSE 2026-27 syllabus.
Is this MCQ Test useful for CBSE board exams?
Yes, designed for CBSE Class 9 board exam preparation covering the complete syllabus.
Are these CBSE Class 9 Science MCQ Test updated for 2026-27?
Yes, all content at eBookPublisher is updated as per the latest 2026-27 CBSE syllabus.
How many chapters are in CBSE Class 9 Science?
All chapters of CBSE Class 9 Science are covered at eBookPublisher with free MCQ Test for each chapter.
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