Plant Kingdom - Thallophyta, Bryophyta, Pteridophyta - UNSOLVED PRACTICE SET
Chapter: Diversity in Living Organisms | Topic: Plant Kingdom Thallophyta Bryophyta Pteridophyta
PLANT KINGDOM - THALLOPHYTA, BRYOPHYTA, PTERIDOPHYTA - UNSOLVED PRACTICE SET
Topic: Plant Kingdom Thallophyta Bryophyta Pteridophyta
Multiple Choice Questions
Q1. Thallophyta includes plants that:
- Have well-differentiated roots, stems, and leaves
- Have a thallus-like body without true roots, stems, or leaves
- Have vascular tissues
- Produce seeds
Q2. Bryophytes are called "amphibians of the plant kingdom" because:
- They can live both in water and on land
- They have gills like amphibians
- They are found only in water
- They are found only on land
Q3. Pteridophytes differ from bryophytes in having:
- No vascular tissues
- Well-developed vascular tissues (xylem and phloem)
- No chlorophyll
- Seeds for reproduction
Q4. Which of the following is a bryophyte?
- Fern
- Moss (Funaria)
- Mushroom
- Algae
Q5. The dominant phase in the life cycle of bryophytes is:
- Sporophyte
- Gametophyte
- Zygote
- Spore
Short Answer Questions
Q6. Describe the general characteristics of Thallophyta. Give TWO examples.
Q7. Why are bryophytes called "amphibians of the plant kingdom"? Explain with reference to their habitat and reproduction.
Q8. Differentiate between bryophytes and pteridophytes in terms of vascular tissue, true roots, and reproduction.
Q9. What is a thallus? Why do thallophytes not have true roots, stems, or leaves?
Long Answer Questions
Q10. Describe the life cycle of a moss (Funaria) with a well-labelled diagram. Explain the alternation of generations between gametophyte and sporophyte phases.
Q11. Compare Thallophyta, Bryophyta, and Pteridophyta in a tabular format based on: body organisation, vascular tissue, habitat, reproduction, and examples.
APPLICATION / ANALYSIS
Q12. During the monsoon season in Coorg, Karnataka, the walls and rocks become covered with a green carpet of moss.
(a) To which group of plants does moss belong? What is its level of body organisation?
(b) Why does moss grow abundantly only during the monsoon and not in the dry summer? Explain with reference to its reproductive requirements.
(c) A student notices that moss always grows on the north-facing
Side of trees in the forest. Is this a reliable way to find direction? Explain the scientific reason behind this observation.
Q13. A botanist discovers a fossil plant that shows evidence of vascular tissue (xylem and phloem) but no seeds or flowers.
(a) To which group of plants would you classify this fossil? Give reasons.
(b) How does the presence of vascular tissue help this plant grow taller than bryophytes? Explain.
(c) A student argues: "Since pteridophytes have vascular tissue, they should be able to grow as tall as trees." Do you agree? Give reasons.