Read and choose:
Important!
Note: In some questions both the statements are correct so think and choose the best option.
A. Some flowers bloom only in the morning and some of them only during the night. Identify the statement that correctly gives the reason behind this.
Statement 1: The movement of the part of a plant in response to light irrespective of the direction of stimulus is known as photonasty.
Statement 2: The movement or growth of a plant towards the direction of light is known as phototropism.
B. Statement 1: The movement or response of a part of the plant in response to touch irrespective of the direction of stimulus is known as thigmotropism.
Statement 2: Movement of a plant part due to the touch is known as thigmonasty or seismonasty.
C. Statement 1: The leaves are covered by a waxy layer known as the lenticels.
Statement 2: The tiny openings that protrude from the barks in woody stems and twigs, and other plant organs are known as lenticels.