31. Thorn is a stem structure because it:
A. Develops from trunk
B. Develops from apical bud
C. modification of bank floralbud
D. is pointed
Answer : Option B
32. 32. Vegetative reproduction of Agave occurs through:
33. What is the eye of potato ?
34. If a raceme inflorescence is branched , it is call?
35. Zig-zag development of inflorescence axis is an example of:
36. Opposite decussate phyllotaxy is found in:
37. A brightly coloured bract like covering associated with the banana inflorescence is called:
38. Inflorescence is :
A. Number of flower present on an axis
B. Arrangement of flowers on an axis
C. Method of the opening of flower
D. Type of flower borne on peduncle
Answer : Option B
39. In monocot male gametophyte is: (C.B.S.E.1990)
40. A catkin of unisexual flower is found in: