MCQ
Age of fossil is determined by
- AEarth crust
- ✓Remnant of radioactive carbon
- CDeposition of calcium
- DAll of the above
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| List $I$ | List $II$ |
|
$A$. Two or more alternative forms of a gene |
$I$. Backcross |
| $B$. Cross of $F_1$ progeny with homozygous recessive parents | $II$. ploidy |
| $C$. Cross of $F_1$ progeny with any of the parents | $III$. Allele |
| $D$. Number of chromosome sets in plant | $IV$. Test cross |
Choose the correct answer from the options given below:
| Column-$I$ | Column-$II$ |
| $a.$ Aestivation | $(i)$ Over wintering |
| $b$. Hibernation | $(ii)$ Over summer |
| $c.$ Diapause | $(iii)$ Suspended development in zooplanktons |
