Quiz on Stem of Plants - Class 9

A Quiz for Class 9 Biology Students (Set 3)

Test your knowledge of plant stems with this Class 9 Biology quiz from Quiznest.in. Challenge yourself with 10 new questions (Set 3) on stem functions, modifications, and anatomy for botany students.

1. What is the upward growth of a stem towards light called?Read

A) Geotropism B) Phototropism C) Thigmotropism

2. The vascular bundles from a leaf enter the stem at a node and are known as:Read

A) Petiole traces B) Leaf traces C) Bud traces

3. Beyond support, stems arrange leaves in a way that maximizes their exposure to what for photosynthesis?Read

A) Wind B) Light C) Water

4. Which plant's stem is primarily harvested for its high sugar content to produce sugar?Read

A) Potato B) Sugarcane C) Ginger

5. What are the small, raised pores on the surface of older, woody stems that allow for gas exchange?Read

A) Stomata B) Hydathodes C) Lenticels

6. The vascular cambium, found in many dicot stems, is responsible for producing which two main vascular tissues?Read

A) Epidermis and Cortex B) Xylem and Phloem C) Pith and Medullary rays

7. A modified aerial stem that is flattened, green, and performs photosynthesis, resembling a leaf (e.g., in cacti), is specifically called a:Read

A) Thorn B) Tendril C) Phylloclade (or Cladode)

8. Which type of stem modification is commonly found in succulent plants like cacti, primarily for water storage?Read

A) Tuber B) Fleshy Stem C) Rhizome

9. Creeping stems that grow horizontally at the soil surface and give rise to new plants at their nodes, facilitating vegetative propagation (e.g., some grasses, mint), are called:Read

A) Suckers B) Runners (Stolons) C) Offsets

10. The central, innermost region of a dicot stem, composed of parenchyma cells and often used for storage, is called the:Read

A) Cortex B) Pericycle C) Pith

Quiz Results

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