Which of the following relates to the determination of age of the tree by counting the number of annual rings
Dendrology
Cytochronology
Numerology
Dendrochronology
It's Obvious
Stings of honey bee and the stings of scorpion are
$I.$ analogous organs
$II.$ heterologous organs
$III.$ homologous organs
$IV.$ vestigial organs
The correct combination is
Galapagos islands are located in
Find the odd one out
A scientist kept 72 generations of Drosophila in darkness. Even after that the first flies had normal eyes. This disapproves the theory of
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