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Study of Phototropism and Geotropism in Plants
1)The tendency of roots to move away from the source of light is which type of phototropism.
  
2)Which hormone promotes cell elongation by promoting water intake and increasing cell elasticity
  
3)The process in which the root grows toward gravity is known as
  
4)An apparatus commonly used to demonstrate phototropism is
  
5)Negative phototropism occurs in which part of a plant
  
6)Phototropism of stem and root are due to
  
7)If the stem grows towards sunlight and root grows just opposite to it, the stem movement is known as
  
8)What are the factors that modify geotropic responses in plants?
  
9)Geotropism is the growth of plants in response to
  
10)Which statement about plant stems is correct?
  
11)Why is phototropism important for plants?
  
12)From the following real-world applications, where do you think an understanding of Geotropism might be useful?