Pericarp is dry in
Guava, mango, mustard
Mango, groundnut, orange
Groundnut, mustard
Orange, guava, mango
'Fertilisation is not an obligatory event for fruit production in certain plants'. Explain the statement.
The plant part which consists of two generations one within the other, is
Suggest a possible explanation why the seeds in a pea pod are arranged in a row, whereas those in tomato are scattered in the juicy pulp.
In which of the following plants, cotyledons form the first pair of leaves
Choose the correct option from the following
$I$. Dehydration and dormancy of mature seed are crucial for seed storage.
$II$. Seed of Lupinus arcticus is the oldest one which germinated after $2000 \;year$.
$III$. Orchid seed is one of largest seed in plant Kingdom.
$IV$. Seeds of parasitic plants Orobanche and Striga are tiny seeds.