Questions Paper - Unit 1

NCERT Biology 

Unit I: Diversity in the Living World

Chapters 1 to 4

1-Mark Questions (Attempt all 10 questions)

(Total: 10 Marks)

 * What is the technical name for the statement "as we go higher from species to kingdom, the number of common characteristics goes on decreasing"?

 * Give an example of a sterile living organism.

 * Name the two components of binomial nomenclature.

 * In which group of organisms do we find naked seeds?

 * What is the main criterion for classification used by R.H. Whittaker?

 * Give one example of an organism that is both autotrophic and heterotrophic.

 * What is the term used for a collection of preserved plant specimens mounted on sheets?

 * Which phylum includes animals with a notochord?

 * Give an example of a plant belonging to the kingdom Plantae that lacks a true root, stem, and leaf.

 * Name the first division to have vascular tissues among the Plant Kingdom.

2-Mark Questions (Attempt all 5 questions)

(Total: 10 Marks)

 * What is biodiversity? Explain its significance.

 * Differentiate between a herbarium and a botanical garden.

 * Write two defining properties of living organisms. Justify your answer.

 * Mention two characteristics of organisms belonging to the Phylum Mollusca.

 * What is alternation of generation in the Plant Kingdom? Give one example.

3-Mark Questions (Attempt all 5 questions)

(Total: 15 Marks)

 * Describe the three domains of life proposed by Carl Woese.

 * Explain the key differences between gymnosperms and angiosperms.

 * Differentiate between radial and bilateral symmetry with one example for each.

 * Describe the features of a virus. Why are they considered a link between living and non-living things?

 * Explain the five main classes of algae based on their pigments and stored food.

5-Mark Questions (Attempt all questions)

(Total: 5 Marks x 2 = 10 Marks)

 * Give a detailed account of the kingdom Fungi, discussing its classification, modes of nutrition, and a brief description of its different classes.

 * Describe the salient features of the Phylum Chordata. Give a classification of Chordata up to the subphylum level.


Location: India

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