The stalk by which the ovule is attached to the placenta is called the filament.
Important Questions on Morphology of Flowering Plants
The top part A of the flask-shaped reproductive organ X in the flower of a plant secretes a surgery substance into its lower part B which goes towards the bottom part C of the flask-shaped organ. When a tiny grain D coming from the top part E of another reproductive organ Y in the flower falls on part A, it grows a long tube F through the organ X in response to the sugary substance and reaches the bottom part C of flask shaped organ to carry out fertilisation.
Name (i) grain D, and (ii) part E of organ Y.
The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops that lie just inside the ring of petals.
What does the swollen top of B contain? (Ovaries/Pollen grains)
Pollen grains contain _____ gametes of a plant.
Choose the right word and fill in the blank provided below.
Pollen tube is the tube containing _____. (female gametes, male gametes)
Given below is a figure showing the structure of a typical ovule.
Observe it carefully and choose the correct option for its labelling codes.
