Question

1.Amber found in..

a) cycas

b) pinus

c) Ginkgo

d) Gnetum

2.Coralloid roots are found in..

a) Cycas

b) pinus

c) Ephedra

d) Gnetum

3. Resins are found in which type of deciduous plant?

a) Cycas

b) pinus

c) Gnetum

d) Ginkgo

4. Longest megasporophyll bearing deciduous plant is..

a) cycas

b) Zamia

c) Ceratozamia

d) Macrozamia denisonii

5. How many types of Cycas species found in India..

a) 16

b) 10

c) 8

d) 6

6.Male gametes of Cycas is..

a) large-numerous spirally arranged

b) small

c) large

d) small-nonmotile

7. In which of the under mentioned deciduous plant known as "Living fossil"..

a) Gnetum

b) Ginkgo

c) taxus

d) none of the above

8.Female gametes of Gnetum..

a) Monosporic type

b) Bisporic type

c) Tetrasporic type

d) none of the above

9. Manoxylic type of stem found in..

a) Cycads

b) conifers

c) fern

d) pinus

10. Longest conifer is..

a) Pinus

b) Sequoia giganta

c) Cedrus deodara

d) Thuja

11.Example of Heterosporus fern...

a) Lycopodium,

b) Dryopteris

c) Marsilea

d) Equisetum12.Example of fern used as a biofertiliser is..

a) anabaena

b) nostoc

c) Azolla

d) marsilea

13. Ligule has been found in..

a) Selaginella

b) Marsilea

c) Equisetum

d) Pogonatum

14. Trees like pteridophytes is..

a) Cyathea

b) Marsilea

c) Lycopodium

d) Equisetum

15. Rhizophore is..

a) a root,

b) a stem,

c) not a stem-not a root,

d) combination of root & stem

16. Aquatic fern used as a food is..

a) Selaginella,

b) Marsilea,

c) Calamites sp.,

d) Dryopteris

17. Eleters are found in..

a) Psilotum,

b) Lycopodium,

c) Equisetum,

d) Dryopteris

18. Incipient heterospory are found in..

a) Lycopodium,

b) Dryopteris,

c) Selaginella,

d) Equisetum)

19. Rhizophore of the Selaginella arise from..

a) Rib meristem,

b) Apical meristem,

c) Angle meristem,

d) Intercalary meristem

20. Which of the following pteridophyte are grown in saline soil...

a) Lygodiym gaponicum,

b) Ophioglossum reticulatum,

c) Acrosticum aureum,

d) Psilotim nudum

21. Which of the following is not a Enigmatic land plant?

a) Parka,

b) Hadeia,

c) Spongiophyton,

d) Calmophyton

22. Which of the following fossil helps to determine the paleoshore line...

a) trace fossil,

b) micro fossil,

c) mega fossil,

d) indexfossil23. The fossil used as a jewellery is..

a) Diamond,

b) Amber,

c) graphite,

d) pseudo fossil

24. Single celled bacteria appeared in..

a) Archeozoic era,

b) Paleozoic era,

c) Mesozoic era,

d) Cinozoic era

25. Fossil which indicates upper gondwana is..

a) Ptilophyllym,

b) Dicroidium,

c) Sphenopteris,

d) Pecopteris

26. Trace fossils are found in..

a) Limestone,

b) Sand stone,

c) Mud stone,

d) Sedimentary rock

27. Which of the following is correct for NPC 343...

a) Tritreme pantocolpate,

b) Tritreme anacatacolpate,

c) Tritreme zonoporate,

d) Tritreme zonocolpete

pls answer all of the above accordingly!

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Answer 1

Answer:

15.one of the downward-growing leafless dichotomous shoots in club mosses of the genus Selaginella that bear tufts of adventitious roots at the apex.---Rizophore

Explanation:

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