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Plant Growth Requirements

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Questions and Answers

Which of the following statements is TRUE about the role of water in plant life?

Cacti are able to survive long periods without water because they can store it in their stems. (correct)

Plants require the same amount of water, regardless of their species.

Plants that wilt due to lack of water cannot recover, even if they are watered again.

Water is only essential for seed germination, not for the overall growth of plants.

What is the primary reason why plants need soil?

Soil provides a physical support for plants.

Soil helps regulate the temperature around plant roots.

Soil acts as a natural filter for rainwater.

Soil provides essential nutrients for plant growth. (correct)

Which of the following conditions is MOST likely to prevent seed germination?

The presence of beneficial insects.

Exposure to high levels of sunlight.

Insufficient water availability. (correct)

A constant temperature of 25°C (77°F).

Why is a suitable temperature important for photosynthesis?

<p>Photosynthesis requires a specific temperature range for optimal enzyme activity. (D)</p> Signup and view all the answers

Which of the following statements accurately describes the relationship between plant growth and temperature?

<p>Certain plant species have evolved to thrive in specific temperature ranges. (B)</p> Signup and view all the answers

Study Notes

Soil

Plants need soil to grow.
Different plants require different nutrients.
Fertilizers can be added to the soil to provide nutrients.
Inadequate nutrients can cause plants to weaken and die.

Water

Plants require water to grow.
Different plants have varying water requirements, some needing a lot and others very little.
Cacti can store water and survive for long periods without rain.
Cacti have spines to deter animals from feeding on them.
Seeds need water to germinate.
Lack of water can prevent seed germination and affect plant health.
Plants can wilt due to insufficient water, but can recover if watered.
Prolonged dehydration leads to plant death.

Temperature

Plants need the right temperature to thrive.
Some plants can grow in extremely cold or hot environments.
Seeds require specific temperatures for germination, often germinating in spring when temperatures warm.
Plants create their own food using photosynthesis, which requires a suitable temperature.

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Description

This quiz focuses on the essential requirements for plant growth, including soil, water, and temperature. Understand how different factors influence plant health and the role of nutrients and conditions in germination. Test your knowledge on the vital elements that support plant life.