Dikaryotisation (n + n) in Agaricus is brought about by

(1) clamp connections

(2) somatogamay between two hyphae of different strains

(3) Both (1) and (2) are correct

(4) basidiospores

Concept Questions :-

Kingdom Fungi: Basidomycetes
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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

Concept Questions :-

Different Classification System
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'Red tide' is caused by

(1) Gonyaulax

(2) Ceratium

(3) Triceratium

(4) All of these

Concept Questions :-

Kingdom protista: Dinoflagellates
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Which one of the following shows heterothallism?

(1) Rhizopus

(2) Bacterium

(3) Cycas

(4) Ricinus

Concept Questions :-

Kingdom Fungi: Zygomycetes
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Which of the following is a 'cyanophage'?

(1) S-13

(2) ϕ×174

(3) SV-40

(4) LPP-1

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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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The common characteristic showning by mushroom smut and rust

(1) is characterised by presence of basidiocarps

(2) is characterised by presence of ascocarps

(3) all are pathogen

(4) all are saprophytic in nature

Concept Questions :-

Kingdom Fungi: Basidomycetes
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Which one exhibits the character of a protozoan during one phase of its life cycle and character of fungi in another phase of its life cycle?

(1) Water moulds

(2) Psilophytes

(3) Slime moulds

(4) Diatoms

Concept Questions :-

Kingdom protista: Slime Moulds
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Spirochaetes is/are

(1) a class of viruses

(2) myxobacteria

(3) spiral-shaped bacteria

(4) richittsias

Concept Questions :-

Kingdom Monera: Introduction
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Which of the following organisms completely lack cell wall, they are the smallest living cells known and can survive without oxygen?

(1) Mycoplasma

(2) Euglenoids

(3) Slime moulds

(4) All of these

Concept Questions :-

Kingdom Monera:Actinomycetes, Mycoplasma
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