Diatoms have left behind large amount of cell wall deposits in their habitat because:

(1) They are most abundant in that habitat

(2) Their life span is long 

(3) Their wall is indestructible

(4) The statement is not true. 

Concept Questions :-

Kingdom protista: Chrysophytes
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Dinoflagellates:

I. Are mostly marine and photosynthetic.

II. Have a cell wall that has stiff cellulose plates on the outer surface.

III. Have two flagella

IV. Have chloroplasts bound by three membranes

The correct statements are:

(1) I, II and III

(2) I, III and IV

(3) II, III and IV

(4) I, II III and IV

Concept Questions :-

Kingdom protista: Dinoflagellates
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Consider the following characters:

I. Heterotroph organisms

II. A dikaryon stage

III. Cell wall made of chitin

IV. Undergo nuclear mitosis

Which of the above relate to fungi?

(1) I, II and III

(2) I, III and IV

(3) II, III and IV

(4) I, II, III and IV

Concept Questions :-

Kingdom Fungi:: Introduction
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How many of the following statements regarding fungi are true?

I. Asexual reproduction is common by the formation of spores.

II. Their bodies consist of hyphae that many be interconnected to form mycelium.

III. They secrete digestive enzymes onto organic matter and then absorb the products of the digestion.

IV. Fungi can break down almost any carbon containing product.

V. Fungi do not enter symbiotic relationships.

(1) 2

(2) 3

(3) 4

(4) 5

Concept Questions :-

Kingdom Fungi:: Introduction
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Which of the following is not an edible mushroom?

(1) Agaricus bispora

(2) Pleurotus ostreatus

(3) Lentinula edodes

(4) Amantia phalloides

Concept Questions :-

Kingdom Fungi: Ascomycetes
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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 

Concept Questions :-

Kingdom Fungi:: Introduction
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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

Concept Questions :-

Kingdom Fungi:: Introduction
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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

Concept Questions :-

Kingdom Fungi:: Introduction
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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

Concept Questions :-

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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.

Concept Questions :-

Kingdom Fungi: Ascomycetes
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