19 Growth Curve in Plants

What do perennial plants refer to?

• Plants that live for less than two years

• Plants that live for more than two years

• Plants that live for one year

• Plants that live for exactly two years

How many categories can perennial plants be classified into?

• Two

• One

• Three

• Four

Which of the following is an example of a perennial plant?

• Cactus plant

• Grass

• Rose plant

• Sunflower

What is the shape of the growth curve of plants?

• Linear

• Exponential

• Sigmoid

• Parabolic

During which stage of the growth curve does the rate of growth increase rapidly?

• Stage D: Decreasing dry mass

• Stage A: Decreasing dry mass

• Stage C: Constant dry mass

• Stage B: Increasing dry mass

What happens during the first growth season of plants?

• Plants produce leaves and carry out photosynthesis

• Plants produce flowers and seeds

• Food is stored in tubers

• The rate of growth is zero

What happens during the second growth season of plants?

• Plants produce flowers and seeds

• Food is stored in tubers

• Plants produce leaves and carry out photosynthesis

• The rate of growth is zero

What is the shape of the growth curve of biennial plants?

• Sigmoid

• Exponential

• Parabolic

• Linear

What is the shape of the growth curve of perennial plants?

• Linear

• Exponential

• Sigmoid

• Parabolic

When does the rate of growth decrease in perennial plants?

• All year round

• Winter

• Fall

• Spring and summer