Elater mechanism for seed dispersal is exhibited by

(1) Riccia

(2) Marchantia

(3) Dryopteris

(4) Funaria

Subtopic:  Bryophytes (Liverworts) |
 61%
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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 |
 97%
From NCERT
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What type of sorus is present in Nephrolepis?

(1) Coenosorus

(2) Simple

(3) Mixed

(4) None of these

Subtopic:  Pteridophytes |
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In whcih of the following groups are seeds present?

(1) Psilophyta

(2) Ginkgopsida

(3) Lycopodiophyta

(4) Bryophyta

Subtopic:  Examples of Gymnosperms |
 79%
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Match the columns.

 

Column - I

 

Column - II

A.

Hornwort

1.

Lycopodium

B.

Liverwort

2.

Ricciocarpus

C. 

Stonewort

3.

Anthoceros

D.

Club moss          

4.  

Chara

 

 

A    

B    

C    

D    

(1)

2

3

4

1

(2)

2

3

1

4

(3)

3

2

1

4

(4)     

3

2

4

1

Subtopic:  Bryophytes | Bryophytes (Liverworts) |
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Elaters are absent in

(1) Funaria

(2) Marchantia

(3) Pellia

(4) Porella

Subtopic:  Bryophytes (Liverworts) |
 54%
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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 |
 91%
From NCERT
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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

 75%
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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 |
 61%
From NCERT
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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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