Chalazogamy is found in
Cucurbita
Sunflower
Casurina
Boerhavia
Functional megaspore in an angiosperm develops into an
In water hyacinth and water lily, pollination takes place by
In which one pair, both the plants can be vegetatively propagated by leaf pieces?
In which one of the following combinations $(a - d)$ the number of chromosomes of the present day hexaploid wheat is correctly represented?
Which of the following four phases, in the post emergence life of an angiospermic plant, begins just after germination of seed and ends when the plant develops the capacity to reproduce