Which one among the following is the hardest part of our body?

examrobotsa's picture
Q: 44 (NDA-II/2012)

Which one among the following is the hardest part of our body?

question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,15,9,6,1,15,2

keywords: 

{'skull bones': [0, 0, 0, 1], 'hardest part': [0, 0, 0, 1], 'body': [27, 3, 23, 37], 'teeth': [3, 0, 0, 0], 'spinal vertebra': [0, 0, 0, 1], 'thumb nails': [0, 0, 0, 1], 'enamel': [1, 0, 0, 0]}