pteridophyta

Question 1

water medium for fertilisation is called

Answer 1

zoidogamy

Question 2

walking fern?

Answer 2

Asplenium rhizophyllum, Adiantum caudatum

Question 3

maiden hair fern

Answer 3

Adiantum aethiopicum

Question 4

xeric conditions pteridophyte

Answer 4

Selaginella lepidophylla

Question 5

Aquatic

Answer 5

marselia, azolla

Question 6

epiphytes

Answer 6

Ophioglossum pendulum

Question 7

micro and macrophyllous

Answer 7

equisetum and fern

Question 8

sporangium is generally multi or unicellular

Answer 8

multi

Question 9

sporocarp examples

Answer 9

marselia, azolla, salvinia

Question 10

strobilus examples

Answer 10

selaginella, eqisetum

Question 11

sorus examples

Answer 11

fern

Question 12

homosporous examples

Answer 12

lycopodium, dryopteris

Question 13

are homospores a product of bisexual or unisexual g.ph?

Answer 13

bisexual

Question 14

heterosporous examples

Answer 14

selaginella, isoetes, marsilea

Question 15

secondary growth is seen/not seen due to presence/absence of cambium

Answer 15

not seen, absence

Question 16

archegonial neck is ___ rowed

Answer 16

4

Question 17

oldest known vascular plants?

Answer 17

psilopsida

Question 18

pteri fossils examples. they belong to which class?

Answer 18

Psilotum and Tmesipteris belong to psilopsida

Question 19

arrangement of sporangia in psilopsida

Answer 19

cauline

Question 20

lycopsida examples

Answer 20

lycopodium, selaginella

Question 21

stem is differentiated into nodes and internodes in which class?

Answer 21

sphenopsida

Question 22

sphenopsida examples

Answer 22

horsetail - equisetum

Question 23

sporangia arrangement in pteropsida

Answer 23

on abaxial/ventral surface of sporophylls aggregated into sori

Question 24

pteropsida examples

Answer 24

dryopteris, pteris, polypodium