7th Class Science Reproduction In Plants Question Bank Reproduction in Plants

  • question_answer
    Refer to the given figure showing three parent species, X, Y and Z (in plot I) and their respective seedlings after dispersal (in plot II).
     
    Select the incorrect statement regarding species X, Y and Z.                          
    (i) X could be pea plant in which fruits burst open forcibly after drying.     
    (ii) Y could be Xanthium in which seeds are hooked i.e., have spines.       
    (iii) Z could be Acer in which fruits and seeds have wings or hair like structure.
    (iv) X could be coconut, Y could be lotus and Z could be Calotropis.          
     

    A) (iii) and (iv) only

    B) (i) and (ii) only

    C) (iii) only         

    D) (iv) only      

    Correct Answer: D

    Solution :

    In the given plots, X, Y and Z represent, dispersal by explosion, animal and wind respectively. Coconut, lotus and Calotrop is are dispersed by water, water and wind respectively.


You need to login to perform this action.
You will be redirected in 3 sec spinner