Diversity in Living Organisms Class 9 MCQs with Answers
Diversity in Living Organisms Class 9 MCQs with Answers & Explanations
Class: 9
Subject: Science
Section: Biology
Topic: Diversity in Living Organisms
Board: CBSE (Based on NCERT Syllabus)
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 9 Science examination standard.
Subject: Science
Section: Biology
Topic: Diversity in Living Organisms
Board: CBSE (Based on NCERT Syllabus)
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 9 Science examination standard.
1. The science of classification of organisms is called:
Answer: B. Taxonomy
Explanation: Taxonomy deals with identification, nomenclature, and classification of organisms based on similarities and differences.
Explanation: Taxonomy deals with identification, nomenclature, and classification of organisms based on similarities and differences.
2. Who is known as the Father of Taxonomy?
Answer: B. Linnaeus
Explanation: Carolus Linnaeus developed binomial nomenclature and modern classification.
Explanation: Carolus Linnaeus developed binomial nomenclature and modern classification.
3. Binomial nomenclature uses:
Answer: B. Two names
Explanation: Scientific names have Genus + Species (e.g., Homo sapiens).
Explanation: Scientific names have Genus + Species (e.g., Homo sapiens).
4. Prokaryotes belong to Kingdom:
Answer: B. Monera
Explanation: Monerans lack true nucleus and membrane-bound organelles.
Explanation: Monerans lack true nucleus and membrane-bound organelles.
5. Which organism belongs to Protista?
Answer: A. Amoeba
Explanation: Protists are unicellular eukaryotes like Amoeba and Paramecium.
Explanation: Protists are unicellular eukaryotes like Amoeba and Paramecium.
6. Fungi obtain nutrition by:
Answer: C. Absorption
Explanation: Fungi are saprophytic/parasitic and absorb dissolved nutrients.
Explanation: Fungi are saprophytic/parasitic and absorb dissolved nutrients.
7. Plants with naked seeds are:
Answer: B. Gymnosperms
Explanation: Seeds are not enclosed in fruits (e.g., Pine).
Explanation: Seeds are not enclosed in fruits (e.g., Pine).
8. Moss belongs to:
Answer: B. Bryophyta
Explanation: Bryophytes are non-vascular plants growing in moist areas.
Explanation: Bryophytes are non-vascular plants growing in moist areas.
9. Ferns belong to:
Answer: C. Pteridophyta
Explanation: They have vascular tissues but reproduce by spores.
Explanation: They have vascular tissues but reproduce by spores.
10. Warm-blooded animals are:
Answer: C. Birds & Mammals
Explanation: They maintain constant body temperature.
Explanation: They maintain constant body temperature.
11. Animals without backbone are called:
Answer: B — They lack vertebral column.
12. Fish respire through:
Answer: B — Gills extract dissolved oxygen.
13. Amphibians live:
Answer: C — Dual life adaptation.
14. Reptiles have:
Answer: B — Dry scaly skin prevents water loss.
15. Birds’ forelimbs are modified into:
Answer: B — Adapted for flight.
16. Mammals feed young ones with:
Answer: B — Mammary glands produce milk.
17. Bacteria reproduce by:
Answer: B — Simple cell division.
18. Algae belong to:
Answer: A — Simple plant body without differentiation.
19. Scientific names are written in:
Answer: B — Latin ensures universality.
20. Highest taxonomic category is:
Answer: C — Kingdom is the broadest group in 5-kingdom classification.