Diversity in Living World

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The diversity in the living world explains the vast variety of organisms found on Earth and the need for their systematic classification. This category focuses on understanding biological diversity, taxonomy, and classification systems, making it suitable for school students (Classes 9–12), NEET aspirants, and undergraduate learners.

In this section, you will study:

  • Meaning and scope of biological diversity

  • Taxonomy and systematics

  • Binomial nomenclature and taxonomic hierarchy

  • Classification of living organisms

  • Major groups such as plants, animals, and microorganisms

  • Tools and rules used for identification and classification

  • NCERT-based explanations, diagrams, MCQs, and exam-oriented questions

The content is structured to strengthen conceptual understanding, improve classification-based questions, and help students score better in school exams, NEET, and undergraduate assessments.

Develop a clear understanding of how living organisms are classified and appreciate the diversity of life in an organized and scientific way.

Q. In which part of the plant does photosynthesis primarily occur?
  • A. Roots
  • B. Stems
  • C. Leaves
  • D. Flowers
Q. What is the main function of the xylem in vascular plants?
  • A. Transport of sugars
  • B. Transport of water and minerals
  • C. Photosynthesis
  • D. Storage of nutrients
Q. What is the main purpose of the plant cuticle?
  • A. Photosynthesis
  • B. Water retention
  • C. Nutrient absorption
  • D. Gas exchange
Q. What is the main role of mycorrhizal fungi in plant ecology?
  • A. Photosynthesis
  • B. Nutrient absorption
  • C. Seed dispersal
  • D. Pollination
Q. What is the primary function of the xylem in vascular plants?
  • A. Transporting sugars
  • B. Transporting water and minerals
  • C. Storing nutrients
  • D. Photosynthesis
Q. What is the primary method of seed dispersal for dandelions?
  • A. Water
  • B. Wind
  • C. Animals
  • D. Gravity
Q. What is the primary purpose of plant stomata?
  • A. Nutrient storage
  • B. Gas exchange
  • C. Water retention
  • D. Root anchorage
Q. What is the primary purpose of the flower in angiosperms?
  • A. Photosynthesis
  • B. Water storage
  • C. Reproduction
  • D. Nutrient absorption
Q. What is the primary purpose of the plant cuticle?
  • A. Photosynthesis
  • B. Water retention
  • C. Nutrient storage
  • D. Gas exchange
Q. What is the primary role of mycorrhizal fungi in plant ecology?
  • A. Photosynthesis
  • B. Nutrient absorption
  • C. Seed dispersal
  • D. Pollination
Q. What is the role of mycorrhizae in plant ecology?
  • A. Water storage
  • B. Nutrient absorption
  • C. Photosynthesis
  • D. Seed dispersal
Q. What is the term for the relationship between plants and pollinators?
  • A. Mutualism
  • B. Commensalism
  • C. Parasitism
  • D. Competition
Q. What is the term for the study of plant classification?
  • A. Botany
  • B. Phytology
  • C. Taxonomy
  • D. Morphology
Q. What type of leaf arrangement is characterized by leaves that grow in pairs on opposite sides of the stem?
  • A. Alternate
  • B. Whorled
  • C. Opposite
  • D. Rosette
Q. What type of plant is characterized by having needle-like leaves?
  • A. Deciduous trees
  • B. Conifers
  • C. Ferns
  • D. Cacti
Q. What type of plant tissue is responsible for photosynthesis?
  • A. Xylem
  • B. Phloem
  • C. Parenchyma
  • D. Sclerenchyma
Q. What type of plant tissue is responsible for the transport of water and minerals?
  • A. Phloem
  • B. Xylem
  • C. Cortex
  • D. Parenchyma
Q. What type of plant tissue is responsible for the transport of water?
  • A. Phloem
  • B. Xylem
  • C. Cortex
  • D. Parenchyma
Q. What type of symmetry is exhibited by most flowers?
  • A. Radial symmetry
  • B. Bilateral symmetry
  • C. Asymmetry
  • D. None of the above
Q. Which group of plants is known for having a dominant sporophyte generation?
  • A. Mosses
  • B. Ferns
  • C. Liverworts
  • D. Green algae
Q. Which of the following is a characteristic feature of gymnosperms?
  • A. Flowers
  • B. Fruits
  • C. Naked seeds
  • D. Broad leaves
Q. Which of the following is a characteristic feature of monocots?
  • A. Two seed leaves
  • B. Parallel leaf venation
  • C. Woody stems
  • D. Taproot system
Q. Which of the following is a characteristic of angiosperms?
  • A. Seedless
  • B. Naked seeds
  • C. Flowers and fruits
  • D. Vascular tissue
Q. Which of the following is a characteristic of gymnosperms?
  • A. Flowers
  • B. Fruits
  • C. Naked seeds
  • D. Broad leaves
Q. Which of the following is a characteristic of monocots?
  • A. Two seed leaves
  • B. Parallel leaf venation
  • C. Woody stems
  • D. Taproot system
Q. Which of the following is a characteristic of monocotyledons?
  • A. Two seed leaves
  • B. Parallel leaf venation
  • C. Woody stems
  • D. Taproot system
Q. Which of the following is a feature of gymnosperms?
  • A. Enclosed seeds
  • B. Deciduous leaves
  • C. Cones for reproduction
  • D. Broad leaves
Q. Which of the following is a key feature of angiosperms?
  • A. Vascular tissue
  • B. Seeds
  • C. Flowers
  • D. All of the above
Q. Which of the following is a key feature of gymnosperms?
  • A. Enclosed seeds
  • B. Presence of flowers
  • C. Naked seeds
  • D. Non-vascular
Q. Which of the following is NOT a characteristic of angiosperms?
  • A. Seeds enclosed in fruits
  • B. Presence of flowers
  • C. Vascular tissue
  • D. Naked seeds
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