Plant Roots: Growth & Adaptations Quiz | Class 9 Biology (Set 3)

A quiz for Class 9 students on the topic of plant root growth, structure, and specialized types (Set 3)

Test your Class 9 Biology knowledge on plant root growth regions, specialized types, anatomical features, and adaptations with this engaging quiz from Quiznest.in.

1. What is the specialized region of primary growth at the very tip of the root, containing actively dividing cells?Read

A) Root hair zone B) Meristematic region C) Region of elongation

2. Which type of root modification helps plants like peas or beans (legumes) with nitrogen fixation?Read

A) Prop roots B) Nodulated roots C) Pneumatophores

3. The vascular cylinder (stele) of a root contains which primary tissues responsible for transport?Read

A) Cortex and Endodermis B) Xylem and Phloem C) Epidermis and Pericycle

4. Roots that grow out of the soil and into the air for various purposes (like banyan trees) are generally classified as:Read

A) Underground roots B) Aerial roots C) Aquatic roots

5. What is the name for the tiny, hair-like unicellular extensions of epidermal cells that are the primary sites of water absorption?Read

A) Lateral roots B) Root hairs C) Fibers

6. The Casparian strip is a waterproof band found in the cells of which root layer, controlling water movement?Read

A) Epidermis B) Cortex C) Endodermis

7. Roots that develop from any part of the plant body other than the radicle are called:Read

A) Taproots B) Lateral roots C) Adventitious roots

8. Which of these is a storage root that is part of a taproot system?Read

A) Sweet Potato B) Carrot C) Ginger

9. Roots found in epiphytic plants (like orchids) that can absorb moisture directly from the air are called:Read

A) Contractile roots B) Velamen roots C) Sucking roots

10. The phenomenon where roots grow away from light is called:Read

A) Positive phototropism B) Negative phototropism C) Geotropism

Quiz Results

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