question_subject:
Science
question_exam:
NDA-I
stats:
0,52,16,13,52,2,1
keywords:
{'photosynthesis': [20, 0, 4, 11], 'gases': [0, 0, 5, 12], 'carbon dioxide': [2, 0, 5, 6], 'methane': [0, 0, 0, 5], 'oxygen': [3, 0, 1, 0], 'plants': [11, 0, 4, 4], 'hydrogen': [0, 0, 1, 3]}