MCQ
Sex linked disease is
- AHaemophilia
- BColourblindness
- CSickle-cell anaemia
- ✓Both $(a)$ and $(b)$
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$I.$ availability of resources
$II.$ population density
$III.$ group interaction of organism
Choose the correct combination
$I.$ Communication was not easy
$II.$ Concept of factors which did not blend was not accepted
$III.$ Use of mathematics to explain biological problem was unacceptable
$IV.$ He could not provide any physical proof for the existence of factors Choose the right combination

$B$ : IN ELISA, infection by pathogen can be detected by the presence of antigens or By detecting the antibody.