MCQ
$\ce{AIDS}$ is a deadly disease which is caused by :
  • A
    A protozoan.
  • B
    A fungus.
  • C
    A bacterium.
  • A virus.

Answer

Correct option: D.
A virus.
$\ce{AIDS}$ is caused by $\ce{HIV}.$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Which one of the following does not increase while moving down the group of the periodic table?
An electric kettle for use on a 230V supply is rated 3000W. For safe working, the cable connected to it should be able to carry at least:
An acidic oxide is produced by the element:
The articles made of silver metal become dark on prolonged exposure to air. This is due to the formation of a layer of its:
Pancreatic juice contains enzymes which digest:
Disposable plastic plates should not be used because :
Consider the reaction $,\text{KBr(aq)}\ +\ \text{AgNO}_3(\text{aq})\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ \ \ }\text{KNO}_3(\text{aq})\ +\ \text{AgBr(s)}$ This is an example of :
In the figure given alongside, the parts marked A, B and C are sequentially:
A student takes four test tubes marked $P, Q, R$ and $S$ of $25 mL$ capacity and fill $10 mL$ of distilled water in each. He dissolves one spoon full of four different salts in each as $-\ce{KCl}$ in $\mathrm{P}, \mathrm{NaCl}$ in $\mathrm{Q}, \mathrm{CaCl}_2$ in $R$ and $\mathrm{MgCl}_2$ in $S$ . He then adds about $2 mL$ of a sample of soap solution to each of the above test tubes. On shaking the contents of each of the test tubes, he is likely to observe a good amount of lather $($foam$)$ in the test tubes marked :