MCQ
Homo erectus lived about
- A$2$ million years ago
- ✓$1.5$ million years ago
- C$1$ million years ago
- D$5$ million years ago
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $- I$ | Column $- II$ (birds species) |
| $(a)$ Colombia | $(p)\; 1200$ |
| $(b)\; 41^o$ New York | $(q)\; 1400$ |
| $(c)$ India | $(r)\; 105$ |
| $(d)$ Greenland at $71^oN$ | $(s)\; 56$ |
$1.$ Viral $RNA$ replicates to form viral $DNA$ with the help of reverse transcriptase.
$2.$ The progeny viruses released in the blood attack other $T_H$ and destroy
$3.$ Viral $DNA$ gets incorporated into host cell's $DNA$ and produces virus particles
$4.$ Virus enters to macrophages