In pteridophytes, gametophytes require …A… to grow
Chloroplasts of Spirogyra have
Which one is not the feature of Cycas?
Angiospermic plants are characterised by
I. double fertilisation
II. triploid endosperm
III. Diploid endosperm
Choose the correct option from the following regarding above statements
In gymnosperms, the nucellus is protected by envelops and this composite structure is known as
The amphibians of plant kingdom are
Female sex organ in a flower is
Which economically important product is obtained from Cycas circinalis?
Identify the wrong statements
Characteristic of fern is
Pollen grains in Pinus are
The kidney-shaped covering of sorus in Dryopteris, is called
Ulothrix releases zoospore during
Usually plant body of brown algae is differentiated into
Anisogamous means both gamete are
Which is the tallest gymnospermic tree species?
The alga used in space research is
Which of the following is not the feature of gymnosperms?
In Funaria, antheridial branch is called
Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms