Q. No.Which of the following is not an edible mushroom?
(1) Agaricus bispora
(2) Pleurotus ostreatus
(3) Lentinula edodes
(4) Amantia phalloides
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
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
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
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
Identify the group of fungi that is not correctly matched with all the characters given below:
| 1. | Phycomycetes: | Mycelium – aseptate and coenocytic / Asexual reproduction by motile zoospores or by nonmotile aplanospores / spores – endogenously produced in the 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. |
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 icosahedral forms. |
| 4. | Viruses can infect any type of organism. |
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 |
Identify the incorrectly matched pair:
1. Diatoms: Chief producers in oceans
2. Dinoflagellates: Red tides
3. Slime moulds: Spores dispersed by water
4. Euglenoids: Protein rich pellicle
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