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Worksheet: Classification of Plants | Biology Class 7 ICSE PDF Download

Part A — Multiple Choice Questions 

Q1. In which kingdom do prokaryotic, single-celled organisms with a nucleoid (no true nucleus) belong?

(a) Protista

(b) Monera

(c) Fungi

(d) Plantae

Q2. The tiny “false feet” that help Amoeba move and capture food are called

(a) Cilia

(b) Flagella

(c) Pseudopodia

(d) Hyphae

Q3. In bread mould, the round structure at the tip that holds spores is the

(a) Mycelium

(b) Hypha

(c) Sporangium

(d) Capsule

Q4. Which statement correctly distinguishes algae and fungi?

(a) Both have chlorophyll and make food

(b) Algae lack chlorophyll; fungi have chlorophyll

(c) Algae have chlorophyll (make food); fungi lack chlorophyll (feed on dead matter)

(d) Both are animals

Q5. Plants that bear seeds not enclosed in fruits (often in cones) are

(a) Angiosperms

(b) Ferns

(c) Mosses

(d) Gymnosperms

Part B — Short Answer Questions

Q6. What is classification? Give two advantages.

Q7. Name any two shapes of bacteria and one place they can be found.

Q8. How does Amoeba obtain food?

Q9. What is saprophytic nutrition in fungi? Give one example.

Q10. State two differences between gymnosperms and angiosperms.

Part C — Long Answer Questions

Q11. Describe the structure of a typical bacterium and list useful and harmful roles of bacteria.

Q12. Explain the life activities of Amoeba: movement, feeding, respiration, excretion, and reproduction.

Q13. Compare the major plant groups: algae, mosses, ferns, gymnosperms, and angiosperms. Give features and examples.

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FAQs on Worksheet: Classification of Plants - Biology Class 7 ICSE

1. What are the main classifications of plants and how do they differ?
Ans.Plants are primarily classified into two main groups: non-flowering plants and flowering plants. Non-flowering plants include mosses, ferns, and conifers, which reproduce through spores or cones. Flowering plants, also known as angiosperms, produce flowers and seeds, and they are further divided into monocots and dicots based on their seed structure and other characteristics.
2. What are the characteristics of gymnosperms and angiosperms?
Ans.Gymnosperms, such as pine trees, have seeds that are not enclosed in an ovary; instead, they are often found in cones. They typically have needle-like leaves and are adapted to colder climates. Angiosperms, on the other hand, produce flowers and fruits that contain seeds. They are the most diverse group of plants and can be found in various environments, showcasing a wide range of leaf shapes and sizes.
3. Why is the classification of plants important in science?
Ans.Classification of plants is crucial in science as it helps in the identification, study, and conservation of plant species. It allows scientists to understand the relationships between different plants, their evolutionary history, and their ecological roles. This knowledge is essential for agriculture, medicine, and environmental management, aiding in efforts to preserve biodiversity.
4. What are the differences between monocots and dicots?
Ans.Monocots and dicots are two subclasses of angiosperms. Monocots, such as grasses and lilies, have one seed leaf (cotyledon), parallel leaf veins, and flower parts typically in multiples of three. Dicots, like roses and beans, have two seed leaves, branching leaf veins, and flower parts usually in multiples of four or five. These differences affect their growth patterns and adaptations to their environments.
5. How do plants adapt to their environments?
Ans.Plants adapt to their environments through various mechanisms. For example, desert plants such as cacti have thick, fleshy tissues to store water and spines to reduce water loss. Aquatic plants, like water lilies, have broad leaves to float on water and specialized tissues for gas exchange. These adaptations enable plants to survive and thrive in their specific habitats, showcasing the diversity of plant life.
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