MCQ
In chromosomes, the material controlling heredity is
- ✓$DNA$
- BHistones
- CChromocentres
- D$RNA$
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$I.$ sexual contact with infected person
$I.$ transfusion of contaminated blood
$III.$ sharing infected needless
$IV.$ from infected mother to her baby through placenta
Which of the statements given above are correct?
| Column $- I$ | Column $- II$ |
| $(a)$ Allergy | $(1)$ Malaria |
| $(b)$ Widal test | $(2)\; AIDS$ |
| $(c)\; ELISA$ test | $(3)$ Typhoid fever |
| $(d)$ Haemozoin | $(4)\; IgE$ antibodies |
$I.$ Yeast
$II.$ Rhizobium
$III.$ Mycorrhiza
$IV.$ Oscillatoria