Which of the following statements regarding the reproductive structures of Gymnosperms is correct?
The male and female cones are always borne on the same tree in all gymnosperms.
Pollen grains are transferred by wind in most gymnosperms.
Double fertilization occurs within the naked ovule.
The endosperm is formed after fertilization and is diploid (2n).
In gymnosperms, pollination is typically anemophilous (wind-pollinated).
(1) is incorrect because in Cycas, male and female cones/megasporophylls are on separate trees (dioecious), while in Pinus they are on the same tree (monoecious).
(3) is incorrect because double fertilization is a defining feature of Angiosperms, not gymnosperms.
(4) is incorrect because gymnosperm endosperm represents the female gametophyte, which exists before fertilization and is therefore haploid (n).
Given below are stages in the life cycle of a moss (bryophyte). Arrange the foll
NextChoose the correct option that accurately matches the type of root system with t
Choose the correct option that accurately matches the type of root system with the respective gymnos
MediumGiven below are stages in the life cycle of a moss (bryophyte). Arrange the following stages in the
MediumGiven below are the stages in the life cycle of pteridophytes. Arrange the following stages in the c
MediumThe figure given below represents
MediumObserve the following figure and select correct option.
MediumIdentify the figures given below
Practice Botany Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams