Q151
Allen
PYQ
MCQ
Which of the following structures is not found in prokaryotic cells?
A.
Plasma membrane
B.
Nuclear envelope
C.
Ribosome
D.
Mesosome
Q152
Allen
PYQ
MCQ
Choose the wrong statement :
A.
Yeast is unicellular and useful in fermentation.
B.
Penicillium is multicellular and produces antibiotics.
C.
Neurospora is used in the study of biochemical genetics.
D.
Morels and truffles are poisonous mushrooms.
Q153
Allen
PYQ
MCQ
Which of the following are not membranebound?
A.
Mesosomes
B.
Vacuoles
C.
Ribosomes
D.
Lysosomes
Q154
Allen
PYQ
MCQ
Cell wall is absent in :
A.
Nostoc
B.
Aspergillus
C.
Funaria
D.
Mycoplasma
Q155
Allen
PYQ
MCQ
In which group of organisms the cells walls form two thin overlapping shells which fit together ?
A.
Slime moulds
B.
Chrysophytes
C.
Euglenoids
D.
Dinoflagellates
Q156
Allen
PYQ
MCQ
Chromatophores take part in :
A.
Respiration
B.
Photosynthesis
C.
Growth
D.
Movement
Q157
Allen
PYQ
MCQ
The structures that help some bacteria to attach to rocks and/or host tissues are :
A.
Holdfast
B.
Rhizoids
C.
Fimbriae
D.
Mesosomes
Q158
Allen
PYQ
MCQ
The imperfect fungi which are decomposers of litter and help in mineral cycling belong to:
A.
Ascomycetes
B.
Deuteromycetes
C.
Basidiomycetes
D.
Phycomycetes
Q159
Allen
PYQ
MCQ
Pick up the wrong statement :
A.
Nuclear membrane is present in Monera
B.
Cell wall is absent in Animalia.
C.
Protista have photosynthetic and heterotrophic modes of nutrition.
D.
Some fungi are edible.
Q160
Allen
PYQ
MCQ
Which one of the following statements is wrong ?
A.
Cyanobacteria are also called bluegreen algae.
B.
Golden algae are also called desmids.
C.
Eubacteria are also called false bacteria.
D.
Phycomycetes are also called algal fungi
Q161
Allen
PYQ
MCQ
Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:-
A.
Monera
B.
Protista
C.
Fungi
D.
Animalia
Q162
Allen
PYQ
MCQ
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the :-
A.
Halophiles
B.
Thermoacidophiles
C.
Methanogens
D.
Eubacteria
Q163
Allen
PYQ
MCQ
Methanogens belong to :
A.
Dinoflagellates
B.
Slime moulds
C.
Eubacteria
D.
Archaebacteria
Q164
Allen
PYQ
MCQ
Select the wrong statement :-
A.
Diatoms are chief producers in the oceans.
B.
Diatoms are microscopic and float passively in water.
C.
The walls of diatoms are easily destructible.
D.
'Diatomaceous earth' is formed by the cell walls of diatoms.
Q165
Allen
PYQ
MCQ
Select the mismatch :-
A.
Protists-Eukaryotes
B.
Methanogens-Prokaryotes
C.
Gas vacuoles-Green bacteria
D.
Large central vacuoles - Animal cells
Q166
Allen
PYQ
MCQ
Select the wrong statement :-
A.
Cyanobacteria lack flagellated cells.
B.
Mycoplasma is a wall-less microorganism
C.
Bacterial cell wall is made up of peptidoglycan.
D.
Pilli and fimbriae are mainly involved in motility of bacterial cells
Q167
Allen
PYQ
MCQ
Which of the following sets of diseases is caused by bacteria?
A.
Tetanus and mumps
B.
Herpes and influenza
C.
Cholera and tetanus
D.
Typhoid and smallpox
Q168
Allen
PYQ
MCQ
Which of the following are found in extreme saline conditions ?
A.
Eubacteria
B.
Cyanobacteria
C.
Mycobacteria
D.
Archaebacteria
Q169
Allen
PYQ
MCQ
Select the mismatch :-
A.
Rhodospirillum — Mycorrhiza
B.
Anabaena — Nitrogen fixer
C.
Rhizobium — Alfalfa
D.
Frankia — Alnus
Q170
Allen
PYQ
MCQ
Which of the following components provides sticky character to the bacterial cell ?
A.
Nuclear membrane
B.
Plasma membrane
C.
Glycocalyx
D.
Cell wall
Q171
Allen
PYQ
MCQ
Viroids differ from viruses in having :-
A.
DNA molecules without protein coat
B.
RNA molecules with protein coat
C.
RNA molecules without protein coat
D.
DNA molecules with protein coat
Q172
Allen
PYQ
MCQ
Which of the following is correctly matched for the product produced by them ?
A.
Methanobacterium : Lactic acid
B.
Penicillium notatum : Acetic acid
C.
Saccharomyces cerevisiae : Ethanol
D.
Acetobacter aceti : Antibiotics
Q173
Allen
PYQ
MCQ
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ?
A.
Pseudomonas
B.
Mycoplasma
C.
Nostoc
D.
Bacillus
Q174
Allen
PYQ
MCQ
Which among the following is not a prokaryote?
A.
Saccharomyces
B.
Mycobacterium
C.
Nostoc
D.
Oscillatoria
Q175
Allen
PYQ
MCQ
Select the wrong statement:
A.
Cell wall is present in members of fungi and plantae
B.
Mushrooms belong to basidiomycetes
C.
Pseudopodia are locomotory and feeding structures in sporozoans
D.
Mitochondria are the powerhouse of the cell in all kingdoms except Monera