Multiple Choice QuestionsWhich of the following taxonomist described classification of plant kingdom in "Families of flowering plants" ?
Cronquist
Takhtajan
Benson
Hutchinson
Which of the following fungi is found useful in the biological control of plant disease ?
Penicillium notatum
Phytophthora parasitica
Mucor mucido
Trichoderma viridae
Which of the following structures helps in the respiration of lichens?
Soredia
lsidia
Cyphella
Cephalodia
In Entamoeba histolytica, the presence of chromatid bodies is characteristic of
precystic stage
mature quadrinucleate stage
trophozoite stage
mature binucleate stage
The protists have
only free nucleic acid aggregates
membrane bound nucleoproteins lying embedded in the cytoplasm
nucleoprotein in direct contact with the rest of the cell substance
none of these
Which of the following is non-pathogenic bacteria of colon?
Escherichia coli
Balantidium coli
Entamoeba coli
Enterobius vermicularis
A.
Escherichia coli
Escherichia coli is the non-pathogenic bacteria of colon. One of the characteristics of Escherichia coli is the production of bacteriocins (colicins), a specific type of metabolite which is not only lethal to the organism of the same species but also to related organisms.
Balantidium coli results in inflammation of alimentary tract.
Entamoeba coli causes amoebic dysentery.
Enterobius vermicularis infection is known as oxyuriasis or enterobiosis.
Some Gram -ve bacteria have peptidoglycan and an extra layer of
lipo-polysaccharide
techoic acid
cellulose
both (b) and (c).
Match Column I with Column II and select the correct option
| Column I | Column II |
| (A) Ascomycetes | (1) Ustilago |
| (B) Phycomycetes | (2) Saccharomyces |
| (C) Basidiomycetes | (3) Trichoderma |
| (D) Deuteromycetes | (4) Albugo |
A - 2; B - 1; C - 4; D - 3
A - 4; B - 3; C - 2; D - 1
A - 2; B - 4; C - 1; D - 3
A - 3; B - 4; C - 1; D - 2
A - 3; B - 4; C - 1; D - 2
Which of the following does not apply to Ascomycetes?
Mycelium is coenocytic and aseptate
Commonly known as sac fungi
Asexual spores called conidia are produced exogenously
Sexual spores called ascospores are produced endogenously
Sexual spores called ascospores are produced endogenously
As per Whittaker's classification, an organism possessing eukaryotic cell structure, multicellular organisation, with a cell wall and nuclear membrane showing heterotrophic nutrition can be placed under the kingdom :
Monera
Protista
Plantae
Fungi
Fungi
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