Biological Classification

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

• Escherichia coli

• Balantidium coli

• Entamoeba coli

• Enterobius vermicularis

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

• 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

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

• Chrysophytes

• Euglenoids

• Dinoflagellates

• Slime moulds

• Slime moulds

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

• 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

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

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 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