Q: 143 (SSC/NA)
question_subject:
Science
question_exam:
SSC
stats:
0,9,2,9,2,0,0
keywords:
{'virus': [4, 0, 0, 1], 'h4n1': [1, 0, 0, 0], 'h4n2': [2, 0, 0, 0], 'h5n1': [1, 0, 1, 0], 'h2n3': [2, 0, 0, 0], 'human beings': [4, 1, 0, 2], 'combinations': [2, 1, 0, 2]}
The correct answer is option 1: H5N1. This particular combination of virus is contagious for human beings.
Option 2, H2N3, is not mentioned as contagious for humans in the question.
Option 3, H4N1, is also not mentioned as contagious for humans in the question.
Option 4, H4N2, is not mentioned as contagious for humans in the question.
Therefore, based on the information provided, H5N1 is the only virus from the given combinations that is known to be contagious for human beings.