Class 9 Science Chapter 12: Patterns in Life: Diversity and Classification — practice questions with answers
Free practice for Class 9 Science, Chapter 12: Patterns in Life: Diversity and Classification. Try the solved questions below, then take a free test with instant marking and explanations.
55 questions11 easy, 34 medium, 10 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. Amoeba, Paramecium and Euglena are single-celled eukaryotes. Which kingdom are they in?
- Protista
- Monera
- Fungi
- Animalia
Show answer
Answer: A. Protista
Why: They live in water or moist places. [p.236]
Why: They live in water or moist places. [p.236]
Q2. One kilogram of sponge can filter up to 24,000 litres of sea water a day. How many litres could 5 kg of sponge filter in a day?
Show answer
Answer: 120000 (± 0)
Why: 24,000 × 5 = 1,20,000 L. [p.241]
Why: 24,000 × 5 = 1,20,000 L. [p.241]
Q3. Starfish have a hard internal skeleton of calcium carbonate. Which phylum are they in?
- Echinodermata
- Mollusca
- Arthropoda
- Cnidaria
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Answer: A. Echinodermata
Why: Echinos = spiny; derma = skin. [p.243]
Why: Echinos = spiny; derma = skin. [p.243]
Q4. Why do scientists use scientific names instead of local names like bagh or puli?
- One unique name is understood worldwide, avoiding confusion
- Local names are wrong
- Scientific names are shorter
- It is a tradition only
Show answer
Answer: A. One unique name is understood worldwide, avoiding confusion
Why: A tiger has many local names. [p.245]
Why: A tiger has many local names. [p.245]
Q5. Which are arthropods? (Tick all that apply)
- Insects
- Crabs
- Spiders
- Earthworms
Show answer
Answer: A. Insects; B. Crabs; C. Spiders
Why: Earthworms are annelids. [p.242]
Why: Earthworms are annelids. [p.242]
Q6. Fungi make their own food by photosynthesis.
True or false?
Show answer
Answer: False
Why: They are heterotrophic. [p.234]
Why: They are heterotrophic. [p.234]
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Frequently asked questions
How many practice questions are there for Class 9 Science Chapter 12: Patterns in Life: Diversity and Classification?
55 questions (11 easy, 34 medium, 10 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 9 Science syllabus, used by CBSE and many state boards.