Treatment of seed at low temperature under moist conditions to break its dormancy is called
Scarification
Vernalisation
Chelation
Stratification
What is represented by $'X'$ and $'Y'$ in the given diagram?
Suitable environmental conditions for seed germination are
Explain structure of fruit and give information about its types.
'Fertilisation is not an obligatory event for fruit production in certain plants'. Explain the statement.