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Biological Classification

1051 Questions Start Allen Test
All Exams Allen Errorless
Q951 Allen (B) ANALYTICAL QUESTIONS MCQ
Assertion : TMV is a virus which causes Tobacco mosaic disease. Reason : TMV has RNA as genetic material.
A.
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B.
If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
C.
If Assertion is true but Reason is false.
D.
If both Assertion and Reason are false.
Q952 Allen (B) ANALYTICAL QUESTIONS MCQ
Assertion : Yeasts such as Saccharomyces cerevisiae are used in baking industry. Reason : Carbon dioxide produced during fermentation causes bread dough to rise by thermal expansion.
A.
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B.
If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
C.
If Assertion is true but Reason is false.
D.
If both Assertion and Reason are false.
Q953 Allen (B) ANALYTICAL QUESTIONS Match the Columns
Match the terms given in column-I with their examples given in column-II and choose the correct option :
Column-IColumn-II
(a)Ascus
(b)Basidium
(c)Protista
(d)Cyanobacteria
(e)Animalia
(i)Spirulina
(ii)Penicillium
(iii)Agaricus
(iv)Euglena
(v)Sponges
A.
a-ii, b-iii, c-iv, d-v, e-i
B.
a-i, b-ii, c-iii, d-v, e-iv
C.
a-ii, b-v, c-iii, d-i, e-iv
D.
a-ii, b-iii, c-iv, d-i, e-v
Q954 Allen (B) ANALYTICAL QUESTIONS MCQ
Given below are two statements: Statement-I: Fungi and members of the Monera and Protista having cell walls have now been excluded from Plantae, although according to earlier classifications they were placed in the same kingdom. In the light of the above statements, choose the most appropriate answer from the options given below:
A.
Both Statement-I and Statement-II are correct.
B.
Both Statement-I and statement-II are incorrect.
C.
Statement-I is correct but Statement-II is incorrect.
D.
Statement-I is incorrect but Statement-II is correct.
Q955 Allen (B) ANALYTICAL QUESTIONS MCQ
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Cyanobacteria that are referred to as blue green algae are not "algae" anymore.
Reason (R) : All unicellular prokaryotes are placed in kingdom Monera and algae are placed in kingdom Plantae
In the light of the above statements,
choose the most appropriate answer from the options given below :
A.
Both (A) & (R) are correct but (R) is not the correct explanation of (A).
B.
(A) is correct but (R) is not correct.
C.
(A) is not correct but (R) is correct.
D.
Both (A) & (R) are correct and (R) is the correct explanation of (A).
Q956 Allen (B) ANALYTICAL QUESTIONS MCQ
The thalloid body of a slime mould (Myxomycetes) is known as: (kingdom Protista)
A.
Fruiting body
B.
Mycelium
C.
Protonema
D.
Plasmodium
Q957 Allen (B) ANALYTICAL QUESTIONS MCQ
The bacterium (Clostridium botulinum) that causes botulism is :
A.
a facultative aerobe
B.
an obligate aerobe
C.
a facultative anaerobe
D.
an obligate anaerobe
Q958 Allen (B) ANALYTICAL QUESTIONS MCQ
Thermococcus, Methanococcus and Methanobacterium exemplify :-
A.
Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
B.
Bacteria that contain a cytoskeleton and ribosomes
C.
Archaebacteria that contain protein homologous to eukaryotic core histones
D.
Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled.
Q959 Allen (B) ANALYTICAL QUESTIONS MCQ
Nitrogen fixation in root nodules of Alnus is brought about by :-
A.
Frankia
B.
Azorhizobium
C.
Bradyrhizobium
D.
Clostridium
Q960 Allen (B) ANALYTICAL QUESTIONS MCQ
Single-celled eukaryotes are included in :-
A.
Monera
B.
Protista
C.
Fungi
D.
Archaea
Q961 Allen (B) ANALYTICAL QUESTIONS MCQ
The common nitrogen-fixer in paddy fields is:
A.
Frankia
B.
Rhizobium
C.
Azospirillum
D.
Oscillatoria
Q962 Allen (B) ANALYTICAL QUESTIONS MCQ
Select the correct combination of the statement (a-d) regarding the characteristics of certain organisms :
(a) Methanogens are Archaebacteria which produce methane in marshy areas
(b) Nostoc is filamentous blue-green alga which fixes atmospheric nitrogen
(c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose
(d) Mycoplasma lack a cell wall and can survive without oxygen
The correct statements are :
A.
(a), (b), (c)
B.
(b), (c), (d)
C.
(a), (b), (d)
D.
(b), (c)
Q963 Allen (B) ANALYTICAL QUESTIONS MCQ
Pigment-containing membranous extensions in some cyanobacteria are :
A.
Chromatophores
B.
Heterocysts
C.
Basal bodies
D.
Pneumatophores
Q964 Allen (B) ANALYTICAL QUESTIONS Match the Columns
Match the type of protozoans given in Column-I with their examples given in Column-II and choose the correct option
Column-IColumn-II
(a)Amoeboid protozoans
(b)Ciliated protozoans
(c)Flagellated protozoans
(d)Sporozoans
(i)Paramecium
(ii)Plasmodium
(iii)Amoeba
(iv)Trypanosoma
A.
a-i, b-iii, c-iv, d-ii
B.
a-iii, b-i, c-ii, d-iv
C.
a-iii, b-i, c-iv, d-ii
D.
a-iii, b-iv, c-i, d-ii
Q965 Allen (B) ANALYTICAL QUESTIONS MCQ
Which of the following organisms is/are correctly assigned its/their taxonomic group?
A.
Paramoecium and Plasmodium belong to the same kingdom as that of Penicillium.
B.
Lichen is a composite organism formed from the symbiotic association of an alga and a protozoan.
C.
Yeast used in making bread and beer is a fungus.
D.
Nostoc and Anabaena are examples of protista.
Q966 Allen (B) ANALYTICAL QUESTIONS MCQ
Protozoans are not included in kingdom animalia because they are
A.
mostly asymmetrical.
B.
unicellular eukaryotes.
C.
heterotrophic in nature.
D.
multicellular prokaryotes.
Q967 Allen (B) ANALYTICAL QUESTIONS MCQ
Assertion : Longitudinal binary fission in found in Trypanosoma. Reason : Binary fission is a method of sexual reproduction.
A.
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B.
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C.
Assertion is true but Reason is false
D.
Both Assertion and Reason are false.
Q968 Allen (B) ANALYTICAL QUESTIONS MCQ
Statement-1: Amoeba has one and Paramecium has two contractile vacuoles. Statement-2: Fresh water protozoans get rid of excess water through contractile vacuole.
A.
Both Statements true
B.
Both Statements false
C.
Only statement-1 true
D.
Only statement-2 true
Q969 Allen (B) ANALYTICAL QUESTIONS Match the Columns
Match the Column-I and Column-II and select the correct option?
Column-IColumn-II
(a)Kala-azar
(b)Amoebic dysentery
(c)Leucorrhoea
(d)Sleeping sickness
(i)Trichomonas vaginalis
(ii)Trypanosoma gambiense
(iii)Leishmania donovani
(iv)Entamoeba histolytica
A.
i- c, ii - b, iii - a, iv - d
B.
i - a, ii - b, iii - c, iv - d
C.
i - c, ii - d, iii - a, iv - b
D.
i - a, ii - c, iii - d, iv - b
Q970 Errorless Shape and nutrition of bacteria_Monera MCQ
Which of the following fixes CO2 in carbohydrates
A.
Bacillus
B.
Rhizobium
C.
Nitrobacter
D.
Rhodospirillium
Q971 Errorless Shape and nutrition of bacteria_Monera MCQ
Branched chain lipids occur in the cell membranes ot
A.
Archaebacteria
B.
Mycoplasma
C.
Actinomycetes
D.
Streptomyces
Q972 Errorless Shape and nutrition of bacteria_Monera MCQ
Infoldings of the plasma membrane of gram positive bacteria, gives rise to
A.
Clathrin
B.
Chondritin
C.
Chondrioides
D.
Chromatin
Q973 Errorless Shape and nutrition of bacteria_Monera MCQ
According to the shapes the names of the different bacteria are given below. Identify them [NCERT Pg. No. 12]
(A)

(B)

(C)

(D)
A.
A - Spirilla,B ā€“ Vibrio, C āˆ’ Cocci, D - Bacilli
B.
A - Spirilla,B ā€“ Bacilli, C āˆ’ Cocci, D - Vibrio
C.
A - Bacilli, B āˆ’ Cocci, C āˆ’ Spirilla, D - Vibrio
D.
A - Cocci, B āˆ’ Bacilli, C āˆ’ Spirilla, D āˆ’ Vibrio
Q974 Errorless Life cycle/Reproduction in bacteria_Monera MCQ
In the bacterial photosynthesis, hydrogen donor is
A.
$H _ { 2 } S$
B.
NH2
C.
$H _ { 2 } O$
D.
$H _ { 2 } S O _ { 4 }$
Q975 Errorless Economic importance of bacteria_Monera MCQ
Which of the following groups of plants are highly useful in increasing soil fertility [NCERT Pg. No. 12]
A.
Red algae
B.
Fungi
C.
Bacteria
D.
Bryophytes