Question
Define pteridophytes. Compare between bryophytes and Pteridophytes.
✓
Answer
Any simple vascular plant that produces spores, but not seeds, and has the diploid stage of its life cycle as the dominant form is called a pteridophyte. Ferns, Lycopodium, and Club mosses are all pteridophytes.
|
Bryophyta
|
Pteridophyta
|
|
|
i.
|
Plant body is gametophytic.
|
Plant body is sporophytic.
|
|
ii.
|
Real stem and leaves are always absent.
|
Real stem and leaves are present.
|
|
iii.
|
Fixation of plant body is carried out by rhizoids.
|
Fixation of plant body is carried out by roots.
|
|
iv.
|
Bryophytes are non-vascular in nature.
|
Pteridophytes are vascular plants.
|
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Give the fsour characteristics of algae.
Descibe general characters, classification and example of old division Spermatophyta.
How long will it take a force of $10\ N$ to stop a mass of $2.5\ kg$ which is moving at $20\ m/s?$
→An electron moving with a velocity of 5 × 104 m s-1 enters into a uniform electric field and acquires a uniform acceleration of 104 m s–2 in the direction of its initial motion. Calculate the time in which the electron would acquire a velocity double of its initial velocity. How much distance the electron would cover in this time?
Consider the following sound waves marked $A, B, C$ and $D:$
→- Which two waves represent sounds of the same loudness but different pitch$?$
- Which two waves represent sounds of the same frequency but different loudness?
- State whether all these sound waves have been produced by the same vibrating body or different vibrating bodies?
- Which vibrating body/bodies could have generated the sound waves shown here?
Write down symptoms of sick animals. Discuss any two diseases of cattle.
What are differences between the following: Cartilaginous fishes and bony fishes.
If the distance between two masses is increased by a factor of $5,$ by what factor would the mass of one of them have to be altered to maintain the same gravitational force? Would this be an increase or decrease in the mass?
→With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separations possible.
The electronic configuration of an element $Z$ is $2, 8, 8.$
→- What is the atomic number of the element$?$
- State whether element $Z$ is a metal or a non-metal.
- What type of ion (if any) will be formed by an atom of element $Z?$ Why$?$
- What is special about the outermost electron shell or the atom of this element$?$
- Give the name and symbol of element $Z.$
- Name the group of elements to which $Z$ belongs.