Biological Classification

1051 Questions Start Allen Test
Q776 Allen VIRUS, VIROIDS, LICHEN, MYCORRHIZA MCQ
Which of the following benefit is not provided by fungi to symbiotic plant ?
A.
Protection from pathogen
B.
Availability of water
C.
Availability of phosphate
D.
Ability to fix nitrogen
Q777 Allen PYQ MCQ
Five kingdom system of classification suggested by R.H. Whittaker is not based on
A.
Presence or absence of a well defined nucleus.
B.
Mode of reproduction.
C.
Mode of nutrition.
D.
Complexity of body organisation.
Q778 Allen PYQ MCQ
Archaebacteria differ from eubacteria in :
A.
Cell membrane
B.
Mode of nutrition
C.
Cell shape
D.
Mode of reproduction
Q779 Allen PYQ MCQ
Anoxygenic photosynthesis is characteristic of :
A.
Rhodospirillum
B.
Spirogyra
C.
Chlamydomonas
D.
Ulva
Q780 Allen PYQ MCQ
Which of the following shows coiled RNA strand and capsomeres?
A.
Polio virus
B.
Tobacco masaic virus
C.
Measles virus
D.
Retrovirus
Q781 Allen PYQ MCQ
Transformation was discovered by :-
A.
Meselson and Stahl
B.
Hershey and Chase
C.
Griffith
D.
Watson and Crick
Q782 Allen PYQ MCQ
Viruses have :-
A.
DNA enclosed in a protein coat
B.
Prokaryotic nucleus
C.
Single chromosome
D.
Both DNA and RNA
Q783 Allen PYQ MCQ
Which one of the following living organisms completely lacks a cell wall?
A.
Cyanobacteria
B.
Sea–fan (Gorgonia)
C.
Saccharomyces
D.
Blue–green algae
Q784 Allen PYQ MCQ
Which one of the following matches is correct ?
A.
Alternaria — Sexual reproduction absent — Deuteromycetes
B.
Mucor — Reproduction by Conjugation — Ascomycetes
C.
Agaricus — Parasitic fungus — Basidiomycetes
D.
Phytophthora — Aseptate mycelium — Basidiomycetes
Q785 Allen PYQ MCQ
True nucleus is absent in :-
A.
Mucor
B.
Vaucheria
C.
Volvox
D.
Anabaena
Q786 Allen PYQ MCQ
Which one of the following is not an inclusion body found in prokaryotes ?
A.
Cyanophycean granule
B.
Glycogen granule
C.
Polysome
D.
Phosphate granule BBC212
Q787 Allen PYQ MCQ
The guts of cow and buffalo possess:
A.
Chlorella spp.
B.
Methanogens
C.
Cyanobacteria
D.
Fucus spp.
Q788 Allen PYQ MCQ
Which of the following structures is not found in prokaryotic cells?
A.
Plasma membrane
B.
Nuclear envelope
C.
Ribosome
D.
Mesosome
Q789 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.
Q790 Allen PYQ MCQ
Which of the following are not membranebound?
A.
Mesosomes
B.
Vacuoles
C.
Ribosomes
D.
Lysosomes
Q791 Allen PYQ MCQ
Cell wall is absent in :
A.
Nostoc
B.
Aspergillus
C.
Funaria
D.
Mycoplasma
Q792 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
Q793 Allen PYQ MCQ
Chromatophores take part in :
A.
Respiration
B.
Photosynthesis
C.
Growth
D.
Movement
Q794 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
Q795 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
Q796 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.
Q797 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
Q798 Allen PYQ MCQ
Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:-
A.
Monera
B.
Protista
C.
Fungi
D.
Animalia
Q799 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
Q800 Allen PYQ MCQ
Methanogens belong to :
A.
Dinoflagellates
B.
Slime moulds
C.
Eubacteria
D.
Archaebacteria