The green alga rich in proteins used as food supplements even by space travelers is

  • Chlorella

  • Scendesmus

  • Porphyra

  • Spirulina

Roots of higher plants show symbiosis with mycorrhiizas for obtaining

  • sulphates

  • nitrogen

  • phosphates

  • All of these

The world's tallest (angiosperm) flowering tree is

  • Sequoia

  • Eucalyptus

  • Pinus

  • Cedrus

The wood of Pinus is

  • manoxylic

  • polyxylic

  • pycnoxylic

  • manoxylic and pycnoxylic

Which of the following statements about Spirogyra is correct?

  • Lateral conjugation takes place in homothallic species.

  • Scalariform conjugation takes place in homothallic species.

  • Lateral conjugation takes place in heterothallic species.

  • The type of conjugation is unrelated to homothallic and heterothallic species.

Gametophyte and sporophyte are independent of each other in which of the following groups?

  • Pteridophytes

  • Angiosperms

  • Gymnosperms

  • Bryophytes

Which statement is correct regarding mosses?

  • They have dominant and independent sporophyte.

  • Their antherozoids require water for fertilization.

  • Their archegonia produce many eggs.

  • Their antherozoids are multiflagellated.

Occurrence of triploid (3n) primary endosperm nucleus is a characteristic feature of

  • Algae

  • Gymnosperms

  • Angiosperms

  • Bryophytes

Match Column - I with Column - II and select the correct option from the codes given below.

 

Column - I

 

Column - II

A.

Chlorophyta

(i)

Equisetum

B.

Lycopsida

(ii)

Chara

C. 

Phaeophyta

(iii) 

Selaginella

D.

Sphenopsida  

(iv)

Ectocarpus

Codes:

  • A - (ii), B - (iii), C - (iv), D - (i)

  • A - (iv), B - (i), C - (ii), D - (iii)

  • A - (ii), B - (iii), C - (i), D - (iv)

  • A - (iv), B - (i), C - (iii), D - (ii)

Which of the following is correctly matched without exception in regard to plant classification?

(1)

Family     

- Poaceae - ae

(2)

Division

- Pteridophyta - phyta

(3)

Class         

- Bryopsida - sida

Genus     

- Solanum - um
  • 1
  • 2
  • 3

  • (4)  

Which of the following genera is associated with coralloid roots?

  • Cycas

  • Taxus

  • Pinus

  • Sequoia

Match the following selected the correct option.

 

Column - I

 

Column - II

A.

Pteris

(i)

Gymnosperm

B.

Cycas

(ii)

Bryophyte

C. 

Sphagnum     

(iii)   

Algae

D.

Sargassum

(iv)

Pteridophyta

  • A - (iv), B - (ii), C - (i), D - (iii)

  •  A - (iv), B - (i), C - (ii), D - (iii)

  •  A - (ii), B - (iii), C - (iv), D - (i)

  •  A - (i), B - (iv), C - (iii), D - (ii)

Which of the following groups of algae produces algin?

  • Phaeophyceae and Chlorophyceae

  • Rhodophyceae and Phaeophyceae

  • Chlorophyceae and Rhodophyceae

  • Phaeophyceae only

Which of the following are homosporous pteridophytes?

I. Selaginella

II. Lycopodium

III. Salvinia

IV. Equisetum

  • I and IV only

  • II and III only

  • II and IV only

  • III and IV only

Pick the correct group consisting of all genera exhibiting homospory.

  • Lycopodium, Psilotum, Selaginella, Equisetum

  • Equisetum, Pteris, Salvinia, Psilotum

  • Salvinia, Pteris, Lycopodium, Selaginella

  • Equisetum, Psilotum, Lycopodium, Pteris

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

 
  • 1
  • 2
  • 3
  • 4

Classical Taxonomy is based on

  • morphological traits

  • habitat of organisms

  • similarities and dissimilarities of behaviour

  • phylogeny

Read the following statements reagrding bryophytes and choose the incorrect option.

  • Gametophytic phase is dominant in life cycle

  • Fertilisation takes place in presence of water

  • Zygote undergoes meiosis to produce sporophyte

  • Sporophyte isphysiologically dependent on gametophyte

Gelatin, an important raw material for preparation of photographic emulsion is a by product of

  • chicken

  • forest

  • cattle

  • fish

Phylogenetic system of classification includes

  • evolutionary trends only

  • genetic trends only

  • evolutionary trend as well as morphology

  • behavioural trends in environment

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

2

4

3

5

1
  • 1
  • 2
  • 3

  • (4)  

Cycas is classified as a gymnosperms due to its

  • motile sperms

  • fruit formation

  • naked ovule

  • pycnoxylic wood

Elater mechanism for seed dispersal is exhibited by

  • Riccia

  • Marchantia

  • Dryopteris

  • Funaria

Who proposed a five-kingdom classification and named kingdoms as Monera, Protista, Fungi, Plantae and Animalia?

  • Herbert Copeland

  • RH Whittaker

  • Carl Woese

  • Carolus Linnaeus

What type of sorus is present in Nephrolepis?

  • Coenosorus

  • Simple

  • Mixed

  • None of these

In whcih of the following groups are seeds present?

  • Psilophyta

  • Ginkgopsida

  • Lycopodiophyta

  • Bryophyta

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

3

2

4

1
  • 1
  • 2
  • 3

  • (4)     

Elaters are absent in

  • Funaria

  • Marchantia

  • Pellia

  • Porella

Carlous Linnaeus system is an artificial system because it is

 

  • Phylogenetic.                       

  • Based on evolutionary trends.

  • Based on number of characters.

  • 4. Based on a few characters of superficial similarities and dissimilarities on morphology.

Which of the following kingdoms is not introduced in the Whittaker's classification?

  • Monera

  • Protista

  • Gymnosperms

  • Fungi

0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Botany Quiz Questions and Answers