FAQs on Quick Revision: Plant Life

Question 1

1. What are the main parts of a plant and what does each part do?

Accepted Answer

Ans. Plants have five essential parts: roots absorb water and minerals from soil, stems transport nutrients and support leaves, leaves manufacture food through photosynthesis, flowers produce seeds for reproduction, and fruits protect seeds. Each part works together to help the plant survive and grow. Understanding these structures is crucial for Class 5 science revision.

Question 2

2. How do plants make their own food using sunlight?

Accepted Answer

Ans. Plants use photosynthesis to create food from sunlight, water, and carbon dioxide. Chlorophyll in leaves captures sunlight energy, converting it into glucose that fuels plant growth. This process releases oxygen as a byproduct, which all living things need. It's why plants are called producers in the food chain.

Question 3

3. Why do plants need water, sunlight, and soil to survive?

Accepted Answer

Ans. Water dissolves minerals from soil that roots absorb for growth and photosynthesis. Sunlight provides energy to manufacture food through photosynthesis. Soil supplies essential nutrients like nitrogen and phosphorus. Together, these factors ensure proper plant development, nutrient transport, and survival in the plant life cycle.

Question 4

4. What's the difference between flowering plants and non-flowering plants?

Accepted Answer

Ans. Flowering plants reproduce using flowers that develop into seeds and fruits, like mango and rose. Non-flowering plants reproduce through spores instead, including ferns and mosses. Flowering plants dominate Earth, while non-flowering varieties typically thrive in moist environments. Both types are vital to ecosystems.

Question 5

5. How do seeds grow into new plants and what do they need?

Accepted Answer

Ans. Seeds germinate when soil moisture, warmth, and oxygen activate the embryo inside. The root emerges first, anchoring into soil, followed by the shoot reaching towards sunlight. Seedlings require consistent water, light, and nutrients to develop into mature plants. This germination process marks the beginning of plant life cycles in nature.

Quick Revision Plant Life Video Lecture - Science Class 5

Science Class 5

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