Some Gram -ve bacteria have peptidoglycan and an extra layer of
lipo-polysaccharide
techoic acid
cellulose
both (b) and (c).
A.
lipo-polysaccharide
In Gram negative bacteria, cell wall is two layered. The cell wall contains peptidoglycan in the inner layer. The outer layer consists of lipopolysaccharides, proteins and phospholipids.
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
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 is non-pathogenic bacteria of colon?
Escherichia coli
Balantidium coli
Entamoeba coli
Enterobius vermicularis
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
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 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
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 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
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)
