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Y. eponyms ECTION # 11 NON-VASCULAR PLANTS & SEED LESS & SEEDED VASCULAR PLANTS

ID: 280294 • Letter: Y

Question

Y. eponyms ECTION # 11 NON-VASCULAR PLANTS & SEED LESS & SEEDED VASCULAR PLANTS 1. RHIZOIDS A. frond-like 2. GEMMA CUPS 3. GEMMAE B. multicellular male gamete C. spore structures help in dispersal D. prothali E central portion of root or stem F. immature fern 4. SETA 5. CALYPTRA 6. ELATERS 7. PERISTOME 8. STELE 9. STOMATA 10. RHIZOME G. underground stem H. stalk, connects the anchor to the capsule I. stalk, attaches pinnae to rhizome l. shedding parts of plant K. hard part of an angiosperm L. on upper surface of seed cone scale M. protects spprophyte N. 11. STROBILUS 12. MICROPHYLLS 13. FIDDLEHEAD part of female gametophyte contains an egg O, anchors for a thallus P. mid-rib vein Q, opennings for gas exchange R. sp?ash cup on upper surface of thallus S. small scale-like leaves around a node T. produces 2 types of gametes U. tiny bits of tissue on thallus V, cone-shaped & contains spores W. moss-foot x. area of a stem where leaves emerge 14. PETIOLE 15. HETEROSPOROUS 16. ABSCISS?ON 17 MEGASPORANGIA 18. ARCHEGONIA 19. NODE 20. HARDWOOD

Explanation / Answer

Answer.

1-O, root like structures in bryophytes

2-R as present in Marchantia

3-D. Gemmae give rise to thallus on growing.

4-H, they are present as foot, seta and capsule

5-M

6-C, present in liverworts.

7-L

8-E, consists of vascular bundles (xylem and phloem) a d their surrounding layers.

9-Q, they help in transpiration, can be bean-shaped or dumb-bell shaped.

10-G example is ginger, turmeric

11-V, present in pine trees

12-S, these leaves carry male gametes.

13-A, used for edible purpose.

14-P, it is actually leaf stalk

15-T, make and female gametes

16-J, as plant and its parts grow old abscission occurs

17-L

18-N

19-X, stem contain nodes

20-K, part of wood produced by plant.