Which one is wrongly matched?
1. Red algae – Porphyra
2. Corelloid roots – Cycas
3. Moss – Funaria
4. Bryophyte – Pinus
Conifers are adapted to tolerate extreme environmental conditions because of
(1) broad hardy leaves
(2) superficial stomata
(3) thick cuticle
(4) the presence of vessels
1. | Salvinia, Ginkgo and Pinus all are gymnosperms |
2. | Sequoia is one of the tallest trees |
3. | The leave of gymnosperms are not well adapted to extremes of climate |
4. | Gymnosperms are both homosporous and heterosporous |
A prokaryotic autotrophic nitrogen fixing symbiont is found in
(1) Cycas
(2) Cicer
(3) Pisum
(4) Alnus
Ovules present on loose megasporophylls, unbranched stem and dicotyledonous condition are features related to
1 Cycas
2 Pinus
3 Cedrus
4 Ephedra
Mark the incorrect statement (with respect to gymnosperms)
1 Sequoia is one of the tallest tree species
2 Dimophihc roots, stem and leaves in pinus
3 Generally tap roots are present
4 Palmately compound leaves in Cycas
In Pinus,
I. The stem is branched
II. Roots have fungal association in the form of mycorrhiza
III. The male and female strobili are borne on different trees
Of the above statements:
(1) Only I is correct
(2) Only II is correct
(3) Only I and II are correct
(4) I, II and III are correct
Select the correct statement.
(1) Salvinia, Ginkgo and Pinus all are gymnosperms
(2) Sequoia is one of the tallest trees
(3) The leaves of gymnosperms are not well adapted to extremes of climate
(4) Gymnosperms are both homosporous and heterosporous
Besides paddy fields, cyanobacteria are also found inside vegetative part of
(1) Pinus
(2) Cycas
(3) Equisetum
(4) Psilotum