Life Sciences Unit Test

Front

What is hydroponics?

Back

A method of growing plants in nutrient-rich water instead of soil.

Front

What do plants need to grow?

Back

Plants need sunlight, water, air, and nutrients.

Front

What is chlorophyll?

Back

Chlorophyll is the green pigment in plants that captures sunlight for photosynthesis.

Front

How do animals obtain nitrogen?

Back

Animals get nitrogen by eating plants or other animals that eat plants.

Front

What part of the plant absorbs water?

Back

The roots absorb water from the soil.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is the role of sunlight in plant growth?

Back

Sunlight provides the energy needed for photosynthesis.

Front

What is the importance of water for plants?

Back

Water is essential for photosynthesis and helps transport nutrients within the plant.

Front

What is soil?

Back

Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that support plant life.

Front

What is the function of plant leaves?

Back

Leaves are the main site of photosynthesis and gas exchange in plants.