MCQ
When do chiasmata appear in meiosis:
- AIn pachytene
- ✓In diplotene
- CIn diakinesis
- DIn Leptotene
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$(i)$ All living organisms have ability to respond the environment stimuli which could be physical, chemical or biological.
$(ii)$ Plants respond to external factors like light, water, temperature, other organisms, pollutants, etc.
$(iii)$ Photoperiod affects the process of reproduction.
$(iv)$ Human being is the only organism who has self consciousness.
$I$. $DCMU$ Herbicide Inhibitor of non-cyclic electron transport
$II$. $PMA$ Fungicide Reduce transpiration
$III$. Colchicine Alkaloid Causes male sterility
$IV$. Soilrite Sodium alginate Encapsulation of somatic embryos