Which of the following are included as tracheophytes?
Important Questions on Plant Kingdom
Phylogenetic relationship among plants based on their shared characters is shown in the cladogram below.
Identify the plants and in the correct order.
In which of the following books, characters of evolutionary importance were not considered while classifying plants?
A) Species plantarum
B) Families of flowering plants
C) Genera plantarum
D) Die Naturlichen Pflanzenfamilien
Read the following combinations and arrange the below chronologically in the light of evolution.
i) Vascular Cryptogams - Ramenta
ii) Embryophytic non-archegoniate phanerogams - the presence of companion cells in the phloem
iii) Plant amphibians - elaters
iv) Tracheophytic archegoniate phanerogams - no vessels in the xylem
The correct sequence is
Identify the plant group which are seed producing.
| No. | Property | No | Example |
| I | Phanerogam without ovary | A | Marchantia |
| II | Vascular cryptogam | B | Zea mays |
| III | Amphibian plant | C | Pinus |
| IV | Phanerogam with fruits | D | Azolla |
(i) In gymnosperms and angiosperms, male and female gametophyte does not have an independent free-living existence.
(ii) In bryophytes and pteridophytes, male and female gametophyte have an independent free-living existence
(iii) Viruses are non-cellular organisms that are characterised by having an inert crystalline structure outside the living host cell.
(iv) Generally, plant viruses are single-stranded DNA viruses.
| I | II | ||
|---|---|---|---|
| (a) | Non-vascular cryptogams | (i) | Gymnosperms, angiosperms |
| (b) | Vascular cryptogams | (ii) | Pteridophytes |
| (c) | Phanerogams | (iii) | Algae, bryophytes |
