Class 4 Exam > Class 4 Videos > Science for Class 4 > Adaptations in Plants: Solved Practice Questions - 2
Class 4 Science Practice Question Answers - Adaptations in Plants
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FAQs on Class 4 Science Practice Question Answers - Adaptations in Plants
| 1. What are adaptations in plants? |  |
Adaptations in plants are the special characteristics or features that allow them to survive and thrive in their specific environments. These adaptations can include structural, physiological, or behavioral changes that help plants overcome challenges such as extreme temperatures, lack of water, or competition from other organisms.
| 2. How do plants adapt to extreme temperatures? | |
Plants have various adaptations to cope with extreme temperature conditions. Some plants have thick waxy coatings on their leaves that help retain moisture and protect against excessive heat. Others have specialized structures like hairy or spiky leaves that create a layer of insulation or reduce water loss. Additionally, some plants can enter a state of dormancy during extreme temperatures to conserve energy and protect their tissues.
| 3. What are physiological adaptations in plants? | |
Physiological adaptations in plants refer to the internal changes that enable them to survive in specific conditions. For example, plants in arid regions often have deep root systems that allow them to access water deep underground. Some plants can also undergo photosynthesis using alternative pathways, such as CAM or C4, to minimize water loss during hot and dry periods.
| 4. How do plants adapt to the lack of water? | |
Plants have several adaptations to cope with water scarcity. They may have extensive root systems that can reach deep underground for water sources. Some plants have specialized tissues, like succulents, that can store water for prolonged periods. Additionally, plants may have small leaves or spines to reduce surface area and minimize water loss through transpiration.
| 5. How do plants adapt to competition from other organisms? | |
Plants employ various strategies to compete with other organisms for resources such as sunlight, nutrients, and space. They may grow taller to outcompete neighboring plants for sunlight. Some plants release chemicals from their roots to inhibit the growth of nearby plants, a process known as allelopathy. Additionally, plants can form symbiotic relationships with beneficial organisms like mycorrhizal fungi, which help improve nutrient uptake and enhance their competitive advantage.
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Nov 21, 2024 Last updated |
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