Plant Kingdom

Question 1

Origin and evolution of stele took place in

Answer 1

Peteriodophytes

Question 2

Marchantia is Dioceouis and lack Protenema

Answer 2

True

Question 3

Common between peteriodophytes and bryophytes

Answer 3

1 presence of independent and photosynthetic gametophyte
2. Spore develop in gametophytic body
3. Formation of motile male and non motile female gamate
4. Requirement of water for sexual reproduction

Question 4

In ulothrix meiosis take place during

Answer 4

Zygote formation

Question 5

The earliest system of classification use only gross superficial morphological characters

Answer 5

Ture
Such as habitat
Colour
No and shape of leaves

Question 6

Earliest classification system mainly based upon

Answer 6

Andirecium structure
And vegetative character
Given by linnaeus

Question 7

Artificial system give equal importance to

Answer 7

Vegetative character
Sexual characteristics
Since V.C is more easily affected by natural environment

Question 8

Natural system of classification was based on and given

Answer 8

Internal structure
External structure
Ultrastrutre
Emborlogy
Phytochemistry

And given George bentham and Joseph dalton hooker

Question 9

Organism belonging to same taxa have

Answer 9

Common ancestor

Question 10

A boy in labs classified some organism based on observable characteristics and use number and codes to assign all data by which taxonomy he classied it

Answer 10

Numerical taxonomy

Question 11

Cytotaxonomy means

Answer 11

Chromosome number and cytological information

Question 12

Chemotaxonomy

Answer 12

Chemical constituents of plant to resolve confusion

Question 13

Which the following are algea
Laminaria,selegenela,porphyra,fucus,polysephonia,volvox,dictyota,kelps ,algein ,carageen. Ulothrix

Answer 13

Algin
Carageen
Porphyra
Fucus
Laminaria
Volvux
Dictyota
Polysephonia
Ulothrix
Kelps

Question 14

Which is correct statement
1.algea consumed half of carbon dioxide from the atmosphere by biodegradation process
2. Laminaria, porphyra and sarghasum are among 60 species ofmarine algeaused as food
3.Gelidiumnand gracelium are used to grow microbes and used in preparation of ice cream and gellies
4. Algin is red algea and carageen is brown algea which produce water holding hydrocollids
5 chlorella are multicellular species used for food to space man

Answer 14

Wrong
1 because it is the process of photosynthesis
2 it of 70 species
4 algin brown algea and carageen red algea
5 chlorella unicellular

Question 15

Example of cholorophycea

Answer 15

Chalamydomans, volvux, ulothrix spirogyra and chara

Question 16

Shape of chloroplast in chlorophyeace

Answer 16

Discoid, plate like ,reticulate,cup- shaped , spiral or ribbon shaped

Question 17

Chlorophyeace have how many storege bodies

Answer 17

One or more

Question 18

Which algea show great variation in size and form

Answer 18

Phyeophycea

Question 19

Red thalli of most of the red algea are

Answer 19

Multicellular

Question 20

Which are the correct statement
1. Bryophytes are called amphibians of the plant kingdom
2. They play important role in plant succession on bare rocks/ tree
3.majn plant of bryophytes is halpoid
4.sex organ in bryophytes are unicellular
5.archegonium produced more than one cell
6. They play important role in ecology
7.zygote do not under reduction division immediately
Spagnum is long use for fuel

Answer 20

Wrong
2. Bare rocks or soil
4. Sex organ are multicellular
5. Archegonia produced one egg cell

Question 21

Secondary protonema form in mosses by

Answer 21

Mitosis

Question 22

Rhizods are multicellular or unicellular in bryophytes and in mosses it is multicellular and branched

Answer 22

True

Question 23

The sporophyteof mosses is more elaborate than

Answer 23

Liverworts

Question 24

Which has an elaborate mechanism of spore dispersal

Answer 24

Mosses