Introducing Biology
Select the correct statement.
Which of the following is responsible for peat formation?
Sphagnum is a genus of mosses, commonly known as peat moss. Peat is an accumulation of partially decayed vegetation or organic matter that is unique to natural areas called peatlands. As sphagnum moss grows, it can slowly spread into drier conditions, forming larger peatlands.
Select the correct statement.
In bryophytes and pteridophytes, transport of male gametes requires
Which of the following organism are known as chief producers in the oceans?
Which of the following statements is correct?
Which one is wrongly matched?
Phloem in gymnosperms lacks.
Read the following five statements ( A to E ) and select the option with all correct statements. (A) Mosses and Lichens are the first organisms to colonize bare rock. (B) Selaginella is a homosporous pteridophyte. (C) Coralloid roots in Cycas have VAM. (D) The main plant body in bryophytes is gametophytic whereas in pteridophytes it is sporophytic. (E) In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.
Which one is a wrong statement?
In angiosperms, microsporogenesis and megasporogenesis
Gametophyte and sporophyte are independent of each other in which of the following groups?