Multiple Choice Questions

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Which of the following characters belong to the Kingdom Monera?

  • Eukaryotic

  • Heterotrophic

  • Multicellular

  • Presence of cell walls made of cellulose

  • Presence of cell walls made of cellulose


B.

Heterotrophic

The vast majority of bacteria in Kingdom- Monera are heterotrophs, that is, they depend on other organisms or on dead organic matter for food. Some bacteria are also autotrophic, that is, they synthesize their own food from inorganic substrates. They may be photosynthetic autotrophic or chemosynthetic autotrophic.


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Which of the following is wrongly matched?

  • T. O. Diener – Viroids are found to be a free DNA

  • W. M. Stanley – Crystallised proteins

  • M. W. Beijerinck – Contagium vivum fluidum

  • D. J. Iwanowsky – Microbes smaller than bacteria cause mosaic disease of tobacco

  • D. J. Iwanowsky – Microbes smaller than bacteria cause mosaic disease of tobacco


Of the following statements which are not relevant to Archaebacteria?

(A) They live in some of the most harsh habitats.

(B) They are present in the gut of several ruminant animals.

(C) They are characterized by the presence of a rigid cellulosic cell wall.

(D) They include mycoplasma.

(E) They are also referred to as blue-green algae.

  • (A), (B) and (C)

  • (A), (C) and (E)

  • (C), (D) and (E)

  • (A), (C) and (D)

  • (A), (C) and (D)


Which of the following groups of organisms have a protein rich layer called pellicle?

  • Chrysophytes

  • Euglenoids

  • Dinoflagellates

  • Slime moulds

  • Slime moulds


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


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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


Match the plants in Column I with their modification types in Column II and choose the right options given below

Column I Column II
A. Ginger 1.  Flattened stems
B. Pumpkin 2. Thorns
C. Bougainvillea 3. Stem tendrils
D. Opuntia 4. Underground stem

  • A - 4; B - 3; C - 2; D - 1

  • A - 4; B - 1; C - 2; D - 3

  • A - 3; B - 4; C - 1; D - 3

  • A - 3; B - 4; C - 2; D - 1

  • A - 3; B - 4; C - 2; D - 1


Some Gram -ve bacteria have peptidoglycan and an extra layer of

  • lipo-polysaccharide

  • techoic acid

  • cellulose

  • both (b) and (c).


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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Which of the following is non-pathogenic bacteria of colon?

  • Escherichia coli

  • Balantidium coli

  • Entamoeba coli

  • Enterobius vermicularis


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