MCQ
In genetic engineering, the antibiotics are used:
- ATo select healthy vectors.
- BAs sequences from where replication starts.
- CTo keep the cultures free of infection.
- ✓As selectable markers.
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| $i.$ |
Environment Protection Act
|
$A.$ | $1974$ |
| $ii.$ |
Air Prevention $\&$ Control of Pollution Act
|
$B.$ | $1987$ |
| $iii.$ |
Water Act
|
$C.$ | $1986$ |
| $iv.$ |
Amendment of Air Act to include noise. The correct matches is;
|
$D.$ | $1981$ |
Conditions:
$1$. Burrowing in soil to escape high temperature.
$2$. Losing heat rapidly from the body during high temperature.
$3$. Bask in sun when temperature is low.
$4$. Insulating body due to thick fatty dermis.
Arrange them in correct sequence. (Past to Recent)
$A$. Homo habilis $B$. Homo sapiens
$C$. Homo neanderthalensis $D$. Homo erectus
Choose the correct sequence of human evolution from the options given below: