SEBA Class 9 Science Chapter 7 Diversity in Living Organisms MCQs (2026–27) – Assam Eduverse
Understand biological classification easily with SEBA Class 9 Science Chapter 7 Diversity in Living Organisms MCQs (2026–27), prepared in line with the latest ASSEB syllabus and current board exam pattern. These SEBA Class 9 Science Chapter 7 Diversity in Living Organisms MCQs include important objective questions, classification-based MCQs, and concept-driven sets to support effective exam preparation.
Designed by Assam Eduverse subject experts, these SEBA Class 9 Science Chapter 7 MCQs cover key topics such as five-kingdom classification, characteristics of Monera, Protista, Fungi, Plantae and Animalia, hierarchy of classification, and binomial nomenclature. Practicing these Diversity in Living Organisms MCQs Class 9 SEBA and Assam Board Class 9 Science objective questions helps improve conceptual clarity and accuracy. You can also explore more practice from Class 9 Science chapterwise MCQs and SEBA Class 9 MCQs.
Regular practice of these ASSEB Class 9 Science Important MCQs will strengthen your preparation and boost exam performance. For detailed explanations, visit SEBA Class 9 Science Chapter 7 Diversity in Living Organisms Solutions, or explore additional resources like SEBA Class 9 & 10 study materials and SEBA Class 9 syllabus.
SEBA Class 9 Science Chapter 7 Diversity in Living Organisms MCQs – ASSEB 2026–27 Board Exam Practice
Table of Contents
Q1. Why do we classify organisms?
a) To make them more beautiful
b) To arrange them randomly
c) To make the study of diversity easier
d) To reduce their number
Answer: c) To make the study of diversity easier
Q2. Which of the following is a more basic characteristic for classifying organisms?
a) The place where they live
b) The colour of the organism
c) The kind of cells they are made of
d) Their size
Answer: c) The kind of cells they are made of
Q3. Organisms without a clearly defined nucleus are placed under which kingdom?
a) Protista
b) Fungi
c) Monera
d) Plantae
Answer: c) Monera
Q4. Which kingdom includes unicellular eukaryotic organisms?
a) Monera
b) Protista
c) Plantae
d) Animalia
Answer: b) Protista
Q5. Which of the following organisms belongs to Monera?
a) Amoeba
b) Mushroom
c) Bacteria
d) Fern
Answer: c) Bacteria
Q6. Fungi obtain food mainly by:
a) Photosynthesis
b) Ingestion
c) Saprotrophic nutrition
d) Autotrophic nutrition
Answer: c) Saprotrophic nutrition
Q7. Lichens are an example of:
a) Parasitism
b) Symbiotic relationship
c) Predation
d) Competition
Answer: b) Symbiotic relationship
Q8. Which kingdom includes all multicellular autotrophic organisms with cell walls?
a) Fungi
b) Animalia
c) Plantae
d) Protista
Answer: c) Plantae
Q9. Animals are different from plants because animals:
a) Have cell walls
b) Are autotrophs
c) Lack cell walls
d) Have chlorophyll
Answer: c) Lack cell walls
Q10. Thallophyta mainly includes:
a) Mosses
b) Algae
c) Ferns
d) Pines
Answer: b) Algae
Q11. Bryophytes are called amphibians of the plant kingdom because they:
a) Live only in water
b) Live only on land
c) Need water for reproduction
d) Have seeds
Answer: c) Need water for reproduction
Q12. Plants with vascular tissues but without seeds belong to:
a) Thallophyta
b) Bryophyta
c) Pteridophyta
d) Gymnosperms
Answer: c) Pteridophyta
Q13. In gymnosperms, the seeds are:
a) Covered inside fruits
b) Naked
c) Absent
d) Found in flowers
Answer: b) Naked
Q14. Monocot plants have:
a) Two cotyledons
b) No cotyledons
c) One cotyledon
d) Many cotyledons
Answer: c) One cotyledon
Q15. Porifera are commonly known as:
a) Jellyfish
b) Sponges
c) Flatworms
d) Roundworms
Answer: b) Sponges
Q16. Animals with two layers of cells and a body cavity belong to:
a) Porifera
b) Coelenterata
c) Platyhelminthes
d) Annelida
Answer: b) Coelenterata
Q17. Flatworms belong to which group?
a) Nematoda
b) Platyhelminthes
c) Annelida
d) Arthropoda
Answer: b) Platyhelminthes
Q18. Animals with jointed legs belong to:
a) Mollusca
b) Arthropoda
c) Annelida
d) Echinodermata
Answer: b) Arthropoda
Q19. Echinoderms are exclusively:
a) Freshwater animals
b) Terrestrial animals
c) Marine animals
d) Aerial animals
Answer: c) Marine animals
Q20. Vertebrates differ from other chordates because they have:
a) Notochord only
b) Gill pouches only
c) Vertebral column
d) No coelom
Answer: c) Vertebral column
Q21. Assertion: Classification of organisms is closely related to evolution.
Reason: Organisms with ancient body designs are considered more primitive.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: a) Both A and R are true and R is the correct explanation of A
Q22. Assertion: Monera organisms are multicellular.
Reason: They do not have a defined nucleus.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is false but R is true
d) A is true but R is false
Answer: c) A is false but R is true
Q23. Assertion: Bryophytes have vascular tissues.
Reason: They lack specialised tissues for conduction of water.
a) Both A and R are true
b) A is false but R is true
c) A is true but R is false
d) Both A and R are false
Answer: b) A is false but R is true
Q24. Assertion: Arthropods have an open circulatory system.
Reason: Their blood does not flow in well-defined blood vessels.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is false but R is true
d) A is true but R is false
Answer: a) Both A and R are true and R is the correct explanation of A
Q25. Assertion: Mammals are warm-blooded animals.
Reason: They have a four-chambered heart.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: b) Both A and R are true but R is not the correct explanation of A
Q26. Assertion: Pteridophytes are called cryptogams.
Reason: Their reproductive organs are hidden and do not produce seeds.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: a) Both A and R are true and R is the correct explanation of A
Q27. Assertion: Gymnosperms have seeds enclosed inside fruits.
Reason: They are flowering plants.
a) Both A and R are true
b) A is false but R is true
c) A is true but R is false
d) Both A and R are false
Answer: d) Both A and R are false
Q28. Assertion: Nematodes have a true coelom.
Reason: They possess a pseudocoelom instead of a true body cavity.
a) Both A and R are true
b) A is false but R is true
c) A is true but R is false
d) Both A and R are false
Answer: b) A is false but R is true
Q29. Assertion: Echinoderms have a water-driven tube system.
Reason: They are exclusively marine animals.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: b) Both A and R are true but R is not the correct explanation of A
Q30. Assertion: Binomial nomenclature uses two names for each organism.
Reason: The scientific name includes the genus and species name.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: a) Both A and R are true and R is the correct explanation of A
Q31. Which of the following are characteristics of Monera?
i) No defined nucleus
ii) Multicellular body
iii) May have cell wall
iv) Can be autotrophic or heterotrophic
a) i and ii only
b) i, iii and iv only
c) ii and iii only
d) i, ii, iii and iv
Answer: b) i, iii and iv only
Q32. Which features are used to classify organisms into five kingdoms?
i) Type of cell
ii) Body organisation
iii) Mode of nutrition
iv) Habitat
a) i, ii and iii only
b) i and iv only
c) ii and iii only
d) All of these
Answer: a) i, ii and iii only
Q33. Which of the following belong to Thallophyta?
i) Spirogyra
ii) Ulothrix
iii) Moss
iv) Chara
a) i, ii and iv only
b) i and iii only
c) ii and iii only
d) All of these
Answer: a) i, ii and iv only
Q34. Which are features of Bryophytes?
i) No vascular tissue
ii) Seed formation
iii) Stem and leaf-like structures
iv) Need water for reproduction
a) i and ii only
b) i, iii and iv only
c) ii and iii only
d) All of these
Answer: b) i, iii and iv only
Q35. Which are characteristics of Pisces?
i) Gills for respiration
ii) Scales on body
iii) Four-chambered heart
iv) Cold-blooded
a) i, ii and iv only
b) i and iii only
c) ii and iii only
d) All of these
Answer: a) i, ii and iv only
Q36. Which of the following are features of Amphibia?
i) Three-chambered heart
ii) Respiration through gills or lungs
iii) Lay eggs in water
iv) Have scales
a) i, ii and iii only
b) i and iv only
c) ii and iii only
d) All of these
Answer: a) i, ii and iii only
Q37. Which are characteristics of Reptilia?
i) Cold-blooded
ii) Scales present
iii) Breathe through lungs
iv) Lay eggs with tough covering
a) i, ii and iii only
b) i, ii and iv only
c) i, ii, iii and iv
d) ii and iii only
Answer: c) i, ii, iii and iv
Q38. Which features belong to Aves?
i) Warm-blooded
ii) Feathers present
iii) Four-chambered heart
iv) Mammary glands
a) i, ii and iii only
b) i and iv only
c) ii and iii only
d) All of these
Answer: a) i, ii and iii only
Q39. Which of the following are mammals?
i) Whale
ii) Bat
iii) Human
iv) Sparrow
a) i, ii and iii only
b) i and iv only
c) ii and iii only
d) All of these
Answer: a) i, ii and iii only
Q40. Which are characteristics of Vertebrata?
i) Vertebral column
ii) Dorsal nerve cord
iii) Coelom
iv) Notochord (at least in early stage)
a) i and ii only
b) i, ii and iii only
c) i, ii, iii and iv
d) ii and iv only
Answer: c) i, ii, iii and iv
Q41. Match the following:
| Column A | Column B |
|---|---|
| A. Monera | 1) Yeast |
| B. Protista | 2) Amoeba |
| C. Fungi | 3) Bacteria |
| D. Plantae | 4) Autotrophic multicellular organisms |
a) A-3, B-2, C-1, D-4
b) A-2, B-3, C-1, D-4
c) A-3, B-1, C-2, D-4
d) A-4, B-2, C-1, D-3
Answer: a) A-3, B-2, C-1, D-4
Q42. Match the following:
| Column A | Column B |
|---|---|
| A. Thallophyta | 1) Fern |
| B. Bryophyta | 2) Pine |
| C. Pteridophyta | 3) Algae |
| D. Gymnosperms | 4) Moss |
a) A-3, B-4, C-1, D-2
b) A-4, B-3, C-1, D-2
c) A-3, B-1, C-4, D-2
d) A-2, B-3, C-4, D-1
Answer: a) A-3, B-4, C-1, D-2
Q43. Match the following:
| Column A | Column B |
|---|---|
| A. Porifera | 1) Roundworm |
| B. Coelenterata | 2) Hydra |
| C. Platyhelminthes | 3) Sponge |
| D. Nematoda | 4) Planaria |
a) A-3, B-2, C-4, D-1
b) A-2, B-3, C-4, D-1
c) A-3, B-4, C-2, D-1
d) A-1, B-2, C-3, D-4
Answer: a) A-3, B-2, C-4, D-1
Q44. Match the following:
| Column A | Column B |
|---|---|
| A. Annelida | 1) Starfish |
| B. Arthropoda | 2) Earthworm |
| C. Mollusca | 3) Cockroach |
| D. Echinodermata | 4) Snail |
a) A-2, B-3, C-4, D-1
b) A-3, B-2, C-4, D-1
c) A-2, B-4, C-3, D-1
d) A-1, B-3, C-2, D-4
Answer: a) A-2, B-3, C-4, D-1
Q45. Match the following:
| Column A | Column B |
|---|---|
| A. Cyclostomata | 1) Frog |
| B. Pisces | 2) Rohu |
| C. Amphibia | 3) Lizard |
| D. Reptilia | 4) Lamprey |
a) A-4, B-2, C-1, D-3
b) A-2, B-4, C-1, D-3
c) A-4, B-1, C-2, D-3
d) A-3, B-2, C-1, D-4
Answer: a) A-4, B-2, C-1, D-3
Q46. Match the following:
| Column A | Column B |
|---|---|
| A. Aves | 1) Pigeon |
| B. Mammalia | 2) Whale |
| C. Arthropoda | 3) Octopus |
| D. Mollusca | 4) Butterfly |
a) A-1, B-2, C-4, D-3
b) A-2, B-1, C-3, D-4
c) A-1, B-3, C-2, D-4
d) A-4, B-2, C-1, D-3
Answer: a) A-1, B-2, C-4, D-3
Q47. Match the following:
| Column A | Column B |
|---|---|
| A. Monocot | 1) Flowering plant |
| B. Dicot | 2) Two cotyledons |
| C. Gymnosperm | 3) Naked seeds |
| D. Angiosperm | 4) One cotyledon |
a) A-4, B-2, C-3, D-1
b) A-2, B-4, C-3, D-1
c) A-4, B-3, C-2, D-1
d) A-1, B-2, C-3, D-4
Answer: a) A-4, B-2, C-3, D-1
Q48. Match the following:
| Column A | Column B |
|---|---|
| A. Notochord | 1) Two-word naming system |
| B. Vertebral column | 2) Basic unit of classification |
| C. Binomial nomenclature | 3) Present in vertebrates |
| D. Species | 4) Rod-like support structure |
a) A-4, B-3, C-1, D-2
b) A-3, B-4, C-1, D-2
c) A-4, B-1, C-3, D-2
d) A-2, B-3, C-1, D-4
Answer: a) A-4, B-3, C-1, D-2
Q49. Match the following:
| Column A | Column B |
|---|---|
| A. Saprotroph | 1) Green plants |
| B. Autotroph | 2) Yeast |
| C. Heterotroph | 3) Animals |
| D. Symbiotic | 4) Lichens |
a) A-2, B-1, C-3, D-4
b) A-1, B-2, C-3, D-4
c) A-2, B-3, C-1, D-4
d) A-3, B-1, C-2, D-4
Answer: a) A-2, B-1, C-3, D-4
Q50. Match the following classification levels in correct order:
| Column A | Column B |
|---|---|
| A. Kingdom | 1) Highest among these |
| B. Species | 2) Lowest/basic unit |
| C. Genus | 3) Comes after family |
| D. Family | 4) Comes before genus |
a) A-1, B-2, C-3, D-4
b) A-2, B-1, C-3, D-4
c) A-1, B-3, C-2, D-4
d) A-4, B-2, C-3, D-1
Answer: a) A-1, B-2, C-3, D-4
SEBA Class 9 Science Chapter 7 Diversity in Living Organisms MCQs – Important Objective Questions
Understanding Diversity in Living Organisms is essential for developing a clear idea of how life is classified and organized on Earth. Practicing well-structured MCQs based on the latest SEBA (ASSEB) syllabus helps students strengthen their concepts and become familiar with the types of classification-based questions asked in examinations.
These SEBA Class 9 Science Chapter 7 MCQs focus on important topics such as the five-kingdom classification system, characteristics of microorganisms like bacteria and protozoa, divisions of the plant kingdom, and classification of the animal kingdom including vertebrates and invertebrates. These concepts are important for understanding biological diversity as well as evolutionary relationships among organisms.
By solving these important objective questions for Class 9 Science, students can improve their ability to identify differences between various groups of organisms and understand classification criteria more clearly. It also helps in avoiding confusion between similar categories and enhances retention of key biological concepts.
Regular MCQ practice improves accuracy, speed, and confidence. Students become more comfortable with exam patterns, manage time effectively, and can revise large portions of the chapter quickly before exams.
To perform well in school assessments and board-level examinations, students should consistently practice such MCQs and focus on understanding the logic behind classification. With continuous revision and conceptual clarity, scoring high in this chapter becomes much more achievable.
FAQs – SEBA Class 9 Science Chapter 7 Diversity in Living Organisms MCQs
1. How many MCQs come from Diversity in Living Organisms in SEBA Class 9 exam?
Usually 3–5 MCQs come from this chapter out of the 45 MCQs in the final exam. Focus on classification and examples for better accuracy.
2. What are the most important MCQs for SEBA Class 9 Science Chapter 7?
Important MCQs focus on kingdoms, classification basis, and characteristics. Revise NCERT line-by-line and practice previous year questions for best results.
3. Is Diversity in Living Organisms a difficult chapter for MCQs?
No, it’s easy if you understand concepts instead of memorizing. Make short notes of features of each kingdom to quickly solve MCQs.
4. Where can I download SEBA Class 9 Chapter 7 MCQs with answers PDF?
You can download chapter-wise MCQs PDFs from Assam Eduverse and similar sites. Always choose solved PDFs to understand the logic behind answers.
5. How to prepare MCQs for Diversity in Living Organisms quickly before exam?
Revise classification tables, practice 30–50 MCQs daily, and focus on differences between groups. Quick revision helps avoid confusion in options.
6. Are there any numerical questions in Diversity in Living Organisms chapter?
No, this chapter has no numericals. It’s fully theory-based, so focus on concepts, examples, and classification patterns for MCQ success.
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