Bentham and Hooker's classification-3
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Bentham and Hooker's classification

Bentham and Hooker classified the angiosperms into two classes (1) Dicotyledon (2) Monocotyledon. Dicotyledon: Embryo possesses two cotyledons. Flowers are pentamerous and leaves show reticulate venation. Example: Sunflower Class dicotyledon is divided into three sub classes. (1) Polypetalae: Petals are free in flower. It includes three series: (a)Thalamiflorae (bDisciflorae (c)Calyciflorae (2)Gamopetalae: Petals are fused in the flower. It includes three series. (a)Inferae  (b)Heteromerae (c)Bicarpellatae (3)Monochlamydea: Flower possess one whorl of perianth. It has no order but includes 8 series. Monocotyledon: Embryo possesses single cotyledon. Leaves show parallel venation. Flower are trimerous. Example: Maize. This class does not include any order but it is divided into 7 series. Example: Alium cepalocal name: Onion

Whose classification is used by most of the well known herbaria of the world ?
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Thalamiflorae, disciflorae and calyciflorae respectively possess how many orders ?
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How many orders are there in inferae, heteromerae and bicarpellatae respectively ?
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Catharanthus roseus is name of which plant ?
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Boganvel is included in series ......... .
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Which plant has no order ?
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Plant life cycle and alternation of generation.

The life cycle of plant shows two phases: (1) Gametophytic (2) Sporophytic alternating with each other is known as alternation of generation. The different plant groups shows their alternation of generation into three pattenrs: Haplontic life cycle: Example: Volvox and Spirogyra. Diplontic life cycle: Example: Gymnosperms, Angiosperms and exceptionally fucus alga. Haplo-diplontic life cycle: Example: Ectocarpus and other sea weeds.

How many patterns of different plant groups show their alternation of generations ?
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Which plant shows haplontic life cycle ?
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Diplontic life cycle occurs in ......... .
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Which type of life cycle Spirogyra shows ?
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In which plants haplo-diplontic life cycle occurs ?
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Naked and orthotropous ovules occur in which plant ?
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Which of following is not included in gynoecium ?
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How many necessary whorls are there in typical flower ?
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True-False (T - F) types questions :


Select true or false option in following sentences.

(1) Volvox and spirogyra shows haplontic life cycle.

(2)   Fucus algae shows diplontic life cycle.

(3)   Ectocarpus shows Haplo-diplontic life cycle.

(4)   Gametophytic phase is main in pteridophyte.

(5)   Sporophytic phase is main in bryophytes.

Clear selection

(1) Smallest angiospermic plant is Wolffia.

(2)  The size of Wolffia is 5-10 mm.

(3) The largest angiosperm occurs in Australia.

4.Zamia pygmea having an underground tuberous stem.

(5) Gymnosperm plants have xerophytic characters.

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(1) Pteridophyte possess two type of sporophylls.

(2)   Angiosperm shows double fertilization.

(3)    In Gymnosperm pollination occurs by insects.

(4)     In Bryophytes fertilization occurs by air.

(5)     Algae is endospermic plant.

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(1) Bennetties is fossil pteridophytes.

(2)    Rhynia is fossil bryophytes.

(3)     Bryophytes lack vascular tissue.

(4)    Fungal component of lichen is called phycobiont.

(5)  In fungus sexual reproduction takes place in two phases.

Clear selection

(1) Fungi  stores food in glycogen  form.

(2)  Algae stores food in starch form.

(3) Viroids cannot cause disease in plants.

(4) Viruses are discovered by Invanowsky.

(5) Algae is the first existing group of plants on the earth.

Clear selection

(1) Eichler has classified the plant kingdom into two main groups.

(2)    The three domain classification system was given by Woese.

(3)  A five kingdom classification system was given by Whittaker.

(4)   Shiv Ram Kashyap is considered as the father of algology.

(5) Rothmelar is considered as the father of bryophytes
Clear selection
A - Assertion and R - Reason type questions:

Which option is correct for given question?

A and R both are true and R is correct explanation of the A.

A and R both are true and R is not correct explanation of the A.

A is true and R is false.

A is false and R is true.

Assertion A: The first formed life is known as protista.

Reason R:   They are of various forms on the basis of their development.

Clear selection

Assertion A: Cyanobacteria possess rigid cell wall, lacks membrane bound organelles and nucleoprotein as genetic material.

Reason R: Cyanobacteria are included in kingdom monera.

Clear selection

Assertion A: Methanogens lived in extreme condition. Reason R: Methanogens are included in Archaea domain

Clear selection

Assertion A: Viruses are intermediate of living and non-living. Reason R: Viruses can pass through bacteria-proof filters.

Clear selection

Assertion A: Algae possess plastids and various photosynthetic pigments. Reason R: In algae after fertilization, zygote develops into embryo.

Clear selection

 Assertion A: Lichens is a symbiotic structure of algae and fungi.

Reason R : The fruiting body of lichen is called apothecium or perithecium.

Clear selection

 Assertion A: The bryophyte and pteridophyte plants grow in shady habitat.

Reason R: In bryophyte and pteridophyte after fertilization zygote develops into embryo.

Clear selection

 Assertion A: The height of sequoia is about 150 meters. 

Reason R: The agave sp. consists of about 6 meter hight.

Clear selection

 Assertion A: Polypetalae are not classified on the basis of thalamus. 

Reason R: Gamopetalae are not classified on the basis of ovary.

Clear selection

  Select correct option :

(i) Five kingdom classification
(ii) Father of Botany
(iii) Father of classification
(iv) Plant kingdom classified into two group
(a) Eichler
(b) Linnaeus
(c) Theophrastus
(d) Whittaker
Clear selection

2. Select correct option :

Column - I                             Column - II
(i) Haplo-diplontic
(ii) Cup-shaped
(iii) Algae
(iv) Lichens
(a) Phycobiont
(b) Strigula
(c) Apothecium
(d) Perithecium
Clear selection

3. Select correct option:

Column - I                             Column - II
(i) 1 meter diameter
(ii) 150 meter height
(iii) 6 meter high inflorescence
(iv) 2 - 5 mm
Column 2
(a) Wolffia
(b) Rafflesia
(c) Sequoia
(d) Agave
Clear selection

4. Select correct option :

Column - I                             Column - II
(i) Human
(ii) Potato
(iii) Animal viruses
(iv) Tobacco mosaic viruses
(a) TMV
(b) Alzheimer's
(c) Spindle tuber
(d) Polio virus
Clear selection
5. Select correct option :
Column - I                             Column - II
(i) 5 order
(ii) 3 order
(iii) 4 order
(iv) 6 order
(a) Thalamiflorae
(b) Disciflorae
(c) Heteromerae
(d) Calyciflorae
Clear selection
6. Select correct option :
Column - I                             Column - II
(i) Spirogyra
(ii) Sargassum
(iii) Batracospermum
(iv) Nostoc
(a) Blue green algae
(b) Red algae
(c) Brown algae
(d) Green algae
Clear selection
In given figure 'p' indicates ......... 
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  In given diagram 'p' indicate which plant ?

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In given diagram, plant belongs to group ......... .
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In given diagram the storage of food occur in which form ?
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Which plant is shown in given diagram ?
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Clear selection

Select the scientific name of plant of given diagram.

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Clear selection
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