Life of Plants and Water

What is the process by which plants make their own food?

• respiration

• digestion

• circulation

• photosynthesis

What is the main pigment responsible for photosynthesis in plants?

• carotene

• melanin

• chlorophyll

• hemoglobin

How do plants absorb water from the soil?

• Roots

• Flowers

• Stems

• Leaves

What is the loss of water vapor from the leaves of plants called?

• condensation

• transpiration

• precipitation

• evaporation

What are the three main factors that affect plant growth?

• pests, diseases, and pruning

• humidity, pH level, and carbon dioxide

• sunlight, water, and nutrients

• temperature, soil type, and wind

Which part of the plant absorbs water and minerals from the soil?

• leaves

• stem

• flowers

• roots

What is the primary source of energy for photosynthesis?

• sunlight

• oxygen

• carbon dioxide

• water

What is the process by which plants release water vapor through their leaves?

• evaporation

• condensation

• transpiration

• precipitation

What are the essential nutrients required for plant growth?

• iron, zinc, copper, manganese, boron, and molybdenum

• carbon, hydrogen, oxygen, and sunlight

• phosphorus, potassium, calcium, magnesium, and sulfur

• nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur

What is the role of chlorophyll in photosynthesis?

• Chlorophyll captures light energy and converts it into chemical energy.

• Chlorophyll absorbs carbon dioxide and releases oxygen.

• Chlorophyll breaks down glucose into carbon dioxide and water.

• Chlorophyll transports water from the roots to the leaves.