MEDIUM
9th Kerala Board
IMPORTANT
Earn 100

Explain the difference between movement and locomotion?

Important Questions on The Biology Of Movement

EASY
9th Kerala Board
IMPORTANT

Analyze illustration and complete table given below.

Question Image

Movement Stimuli Plant part that moves Direction of movement
  light stem  
root It moves against the direction of the stimulus.
Geotropism   stem  
root It moves towards the direction of the stimulus.
  water stem  
root  
Haptotropism touch stem It moves towards or around the object
that causes the stimulus.
Chemotropism Presence of chemicals pollen tube It moves towards the direction where the chemicals chemical is present.
EASY
9th Kerala Board
IMPORTANT
Explain the relation between the direction of stimulus and direction of movement?
HARD
9th Kerala Board
IMPORTANT
Observe the given figure of Mimosa pudica (touch-me not) plant. What peculiarity does it show?
                                      .Question Image
HARD
9th Kerala Board
IMPORTANT
Is there any relation between the stimulus and the direction of movement in Mimosa pudica?
HARD
9th Kerala Board
IMPORTANT
What is nastic movement? Write the names of some plants that show nastic movement.
HARD
9th Kerala Board
IMPORTANT
What is the reason for muscle fatigue?
HARD
9th Kerala Board
IMPORTANT

Observe the figure and answer the following question. 

                              Question Image

What changes do you observe in the growth of root and stem in a plant, if it is kept stationary as shown in the figure for a few days why?

HARD
9th Kerala Board
IMPORTANT

 Observe the figure and answer the following question.

                                                       Question Image

If the apparatus is rotated gently and continuously, what change would you observe in its root and stem?