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प्रश्न
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is Thigmotropism? Give one example.
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उत्तर
Thigmotropism is a directional movement which occur as a mechanosensory response to a touch stimulus. It is typically found e.g. Touch me not plant.
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संबंधित प्रश्न
Give biological reasons for the following statements : In some xerophytes leaves are modified into spines
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow :
What is meant by ‘Positive’ and ‘Negative’ tropic movements in plants?
State the main functions of the following:
Medulla Oblongata
An experiment was set up as shown in the figure alongside. Look at the figure and answer the following questions:
( i) What is the objective of this experiment?
( ii ) Which plant is used in this experiment?
( iii ) Which gas is evolved in this process?
( iv ) What will happen to the rate of evolution of this gas if a pinch of sodium
bicarbonate is added?
(v ) What will happen if the apparatus is kept in dark?
Fill in the blanks:
The end products of photosynthesis are ______ and ______.
The site of light reaction in the cells of a leaf is ______.
Complete the following sentence with appropriate word:
A plant that does not perform photosynthesis is _______.
Choose the Correct Answer:
Which would do maximum harm to a tree?
The end product of photosynthesis is ______.
