MCQ
How does AIDS virus enter into man
- AThrough food
- BThrough kissing
- CThrough water
- ✓Through blood
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| Column $- I$ | Column $- II$ |
| $(I)$ Aspergillus niger | $(p)$ Lactic acid |
| $(II)$ Acetobacter aceti | $(q)$ Acetic acid |
| $(III)$ Lactobacillus | $(r)$ Citric acid |
| $(IV)$ Clostridium butylicuml | $(s)$ Butyric acid |
$I$ $II$ $III$ $IV$
Statement $I$: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid.
Statement $II$: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome.
In the light of the above statements, choose the correct answer from the options given below: