Picture of Tree with Roots

Plant Root Anatomy & Tropism Quiz | Class 9 Biology (Set 2)

A quiz for Class 9 students on the topic of plant root structure and responses (Set 2)

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

1. What is the main function of the root cap?Read

A) Photosynthesis B) Absorption of water C) Protection of the root tip

2. Which part of the root is responsible for the increase in length?Read

A) Region of maturation B) Region of elongation C) Region of cell division

3. Fibrous roots are characteristic of which type of plants?Read

A) Dicots B) Monocots C) Gymnosperms

4. The vascular tissues (xylem and phloem) in a dicot root are typically arranged in what pattern?Read

A) Scattered B) In a central core C) In a ring around the pith

5. What is the primary role of root hairs?Read

A) Anchoring the plant B) Increasing surface area for absorption C) Storing food

6. Which specialized root helps a plant like maize (corn) provide additional support by growing from the lower nodes of the stem?Read

A) Tuberous roots B) Stilt roots C) Prop roots

7. Roots that form a symbiotic relationship with fungi to aid in nutrient absorption are called:Read

A) Parasitic roots B) Mycorrhizal roots C) Haustorial roots

8. Which of these is NOT a primary function of a root?Read

A) Conduction of water B) Food storage C) Gas exchange with the atmosphere (for aerial parts)

9. Roots found in climbing plants that help them cling to supports (like ivy) are known as:Read

A) Climbing roots B) Storage roots C) Contractile roots

10. The phenomenon where roots grow towards water is called:Read

A) Phototropism B) Hydrotropism C) Chemotropism

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