NEW
Font size
WorksheetsPlant Science Praticum
Total questions: 15
Worksheet time: 8mins
What percentage of fresh weight in green plants is made up of water?
50-60%
60-70%
70-90%
80-100%
What is the primary role of water in plants?
To provide nutrients
To facilitate biochemical reactions
To maintain temperature
To support the plant structure
Which process allows plants to cool their leaves?
Photosynthesis
Transpiration
Respiration
Dormancy
What is the effect of inadequate water on plants?
Enhanced growth
Increased disease and insect attacks
Improved photosynthesis
Better nutrient absorption
Which elements are most often needed for plant growth?
Calcium, magnesium, sulfur
Nitrogen, phosphorus, potassium
Iron, manganese, zinc
Copper, boron, molybdenum
What is the primary effect of low temperatures on plants?
Increased metabolic processes
Enhanced growth
Slowdown of metabolic processes
Improved nutrient absorption
What can happen to plants adapted to cold areas when exposed to rapid drops in temperature?
They grow faster
They show signs of damage
They become more resistant
They produce more flowers
What is the primary function of leaves in photosynthesis?
Absorb water
Manufacture sugar
Support the plant
Protect from insects
What is the role of the cambium in a tree?
Protects tree from injuries
Carries food made in the leaves
Forms annual rings of new wood
Provides strength
Which part of the tree carries sap from roots to leaves?
Inner bark
Outer bark
Sapwood
Heartwood
What happens to the sugars produced in photosynthesis?
They are stored as fat
They are used for energy
They are converted into proteins
They are excreted
What is the effect of thinning on tree growth?
Decreases growth
Increases growth
No effect on growth
Stops growth
What is transpiration in plants?
The process of photosynthesis
The release of water vapor from leaves
The absorption of nutrients from soil
The growth of new leaves
Which part of the tree provides strength and is inactive?
Sapwood
Heartwood
Cambium
Inner bark
What is the role of enzymes in plants?
Absorb water
Manufacture sugar
Convert sugar to other substances
Protect from insects
