MCQ
Which one of the following pairs is wrongly matched?
- AColiform-Vinegar
- BMethanogens-Gobar gas
- CYeast Ethanol
- DStreptomycetes-Antibiotic
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| Column $-I$ | Column $-II$ |
| $a.$ Solid symbol | $(i)$ Carrier of sex linked trait |
| $b.$ Horizontal line between symbols | $(ii)$ Offspring |
| $c.$ Horizontal line above the symbols | $(iii)$ Trait to be studied |
| $d.$ Dot in centre | $(iv)$ Parents |

$I$. It is a transgenic variety of rice
$II$. It contains a goods quality of $\beta$-carotene (provitamin-A)
$III$. $\beta$-carotene is a principal source of vitamin- $A$
$IV$. The grains of the rice are yellow in colour due to $\beta$-carotene. The rice is commonly called golden rice
Which of the statements given above are correct?