Q: 73 (NDA-I/2009)

Consider the following statements :
1. Different plant species grow together.
2. Light cannot penetrate into the lower strata full of undergrowth.
Which of the following types of vegetation is characterized by the above?
question_subject: 
Geography
question_year: 
2009
question_exam: 
NDA-I
stats: 
0,768,104,768,56,16,32