Gymnosperms
Gymnosperms: Overview
This Topic covers sub-topics such as Gymnosperms, Cycas, Life Cycle of Gymnosperms, Pinus sylvestris, Morphology of Gymnosperms, Habitat of Gymnosperms, Fossil Representatives of Plant Groups and, Pollen Grain of Gymnosperms
Important Questions on Gymnosperms
Which of the following is/are the example/s of fossil pteridophytes?
Fill in the blank with the correct answer from the bracket.
In gymnosperms pollen grains are produced inside the _____. (microsporangium, megasporangium, anther, microspore)
Microspores or pollen grains are produced inside the microsporangia of gymnosperms that act as
The pollen grains of gymnosperms produces only one male gamete.
What are the dimorphic leaves that are observed is gymnosperms ?
Which among the following is true about conifers?
Gymnosperms are better adapted as land plants than the bryophytes.
What is the reason of gymnosperms being able to survive in different land habitats?
Which of the following will you keep in the group of gymnosperms?
The sporophytic plant body of Pinus produce microsporophylls and megasporophylls in two types of cones.
Small specialised roots called coralloid roots are associated with fixing cyanobacteria in
Fill up the blanks with suitable words The gametophyte in gymnosperms are-------- but Cycas shows because of presence of multiciliate male gamete --------.
The retained multicellular female gametophyte is also called------. In this thick cuticle and -------------will be useful to reduce water loss.
(A) Sunken stomata
(B) Zooidogamy
(C) Endosperm
(D) Dependent
Fill in the blank with the correct answer given in the bracket.
Spore bearing leaf is called _____ (sporophyll/sporangia/sporangiophore).
How much time is generally required by the Pinus plant from pollination to fertilization?
Give an example of plant belonging to gymnosperms.
Which of the following does not have an independent free-living gametophyte?
