In the given diagrams, some of the algae have been labelled as A, B, C, D and E. Choose the correct option to identify these algae.

 

A

B

C

D

E

(1)

Dictyota

Polysi-

phonia 

Porphyra

Fucus

Laminaria

(2)

Porphyra 

Dictyota

Laminaria 

Fucus

Polyspi-

phonia

(3)

Dictyota

Polysi-

phonia

Porphyra

Laminaria

Fucus

(4)

Fucus

Porphyra

Dictyota

Polysi-

phonia 

Laminaria

 

Subtopic:  Chlorophyceae: Green Algae: I | Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
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Classical Taxonomy is based on

(1) morphological traits

(2) habitat of organisms

(3) similarities and dissimilarities of behaviour

(4) phylogeny

Subtopic:  Classification System: I | Classification System |
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Read the following statements reagrding bryophytes and choose the incorrect option.

(1) Gametophytic phase is dominant in life cycle

(2) Fertilisation takes place in presence of water

(3) Zygote undergoes meiosis to produce sporophyte

(4) Sporophyte isphysiologically dependent on gametophyte

Subtopic:  Bryophytes |
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In Cycas

(1) ovlule and microsporangia are present in same sporophyll

(2) micro and megasporophyllus are present in same cone

(3) male cone and megasporophylls are borne on the same plant

(4) male cone and megasporophylls are borne on separate individual plants

Subtopic:  Gymnosperms: I | Gymnosperms |
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Gelatin, an important raw material for preparation of photographic emulsion is a by product of

(1) chicken

(2) forest

(3) cattle

(4) fish

Subtopic:  Algae |
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Phylogenetic system of classification includes

(1) evolutionary trends only

(2) genetic trends only

(3) evolutionary trend as well as morphology

(4) behavioural trends in environment

Subtopic:  Classification System: I | Classification System |
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Match items in Column I with those in Column II.

 

Column I

 

Column II

A.

Peritrichous flagella

1.

Ginkgo

B.

Living fossil

2.

Macrocystis

C. 

Rhizophore

3.

E.coli

D.

Smallest flowering plant    

4.

Selaginella

E.

Largest perennial alga

5.

Wolffia

 

 

A   

B   

C   

D   

E

(1)

3

1

4

5

2

(2)

2

3

4

1

5

(3)

4

2

1

5

3

(4)  

2

4

3

5

1

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Cycas is classified as a gymnosperms due to its

(1) motile sperms

(2) fruit formation

(3) naked ovule

(4) pycnoxylic wood

Subtopic:  Gymnosperms: I | Gymnosperms |
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Elater mechanism for seed dispersal is exhibited by

(1) Riccia

(2) Marchantia

(3) Dryopteris

(4) Funaria

Subtopic:  Bryophytes (Liverworts) |
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Who proposed a five-kingdom classification and named kingdoms as Monera, Protista, Fungi, Plantae and Animalia?

(1) Herbert Copeland

(2) RH Whittaker

(3) Carl Woese

(4) Carolus Linnaeus

Subtopic:  Classification System: I | Classification System |
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