Which of the following is not an edible mushroom?

(1) Agaricus bispora

(2) Pleurotus ostreatus

(3) Lentinula edodes

(4) Amantia phalloides

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Consider the following characters:

I. Nuclear envelope

II. Membranes lacking sterols

III. 80s ribosomes

IV. split genes

The character not shared by fungi with other eukaryotes is/are:

(1) II alone

(2) IV alone

(3) II and IV only

(4) III and IV only 

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Fungi resemble plants in:

(1) Lack of chloroplasts and heterotrophic nutrition

(2) Reproduction by only sexual means

(3) Having a cell wall and vacuoles

(4) Exhibition of bioluminiscence

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Identify the characteristic that is unique to fungi:

(1) Cell wall of glucans and chitin

(2) Lack of chloroplasts and heterotrophic nutrition

(3) Mannitol, trehalose and glycogen as storage products.

(4) Having haploid nuclei and production of spores

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What is not true for Mycorrhizae?

I. Nearly 30% of vascular plants have this symbiotic relationship with fungi.

II. The fungus primarily makes nitrogen available to plants.

III. Fungi get organic carbon from plants.

(1) I alone

(2) I and II only

(3) II and III only

(4) I, II and III

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Identify the group of fungi that is not correctly matched with all the character given:

(1)

Phycomycetes:  

Mycelium – aseptate and coenocytic / Asexual reproduction by motile zoospores or by nonmotile aplanospores / spores – endogenously produced in sporangium

(2)

Ascomycetes:

Mycelium – unbranched and septate / Asexual spores are conidia / Conidia produced endogenously on conidiophores.

(3)

Basidiomycetes:  

Mycelium – branched and septate / Asexual spores are generally not found.

(4)  

Deuteromycetes: 

Only the asexual or vegetative phase of these fungi are known.

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Match the names of the scientists with contribution and choose your answer from the codes given below:

 

Scientists

 

Contribution

I.

Beijerinek

1.

Gave the name ‘virus’

II.

Luc Montagnier  

2.  

Gave the term ‘conragium vivum fluidum’

III.  

Pasteur

3.

Discovered bacteriophages

IV.

Twort

4.

Crystallized TMV

V.

Stanley

5.

Isolated HIV

Codes:

 

I  

II

III

IV

V

(1)

2     

5      

1      

3      

4

(2)

2

3

1

5

4

(3)

4

5

1

3

2

(4)  

4

3

1

5

2

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Identify the incorrect statement:

(1) Virus has a protein coat called capsid made of small subunits called capsomeres.

(2) The core has the genetic material - either RNA or DNA or both.

(3) The capsomeres are arranged in helical or icosahederal forms.

(4) Virus can infect any type of organisms.

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Saprophytic protists are:

(1) Slime moulds

(2) Dinoflagellates

(3) Chrysophytes

(4) Protozonas

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Which of the following statements regarding Euglenoids is not true?

(1) Instead of a cell wall, they have a lipid rich pellicle

(2) They have two flagella, a short and a long one

(3) They are photosynthetic in the presence of sunlight but behave like a heterotroph when deprived of sunlight

(4) Pigments of Euglenoids are identical to those present in higher plants

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