Who gave artificial sexual system in plant kingdom
Theophrestus
Aristotle
Linnaeus
Bauhin
two simple harmonic oscilltors of masse m and 4m have same energy.if their amplitudes are in ratio 1:2
.then the ratio of time periods is
1.1…2
2.1:4
3.1:1
4.2:1
linkage show in meiosis 1 of
a)anaphase1
b)prophase1
c)metaphase 1