Q301
Allen
(B) ANALYTICAL QUESTIONS
MCQ
How many kingdoms include prokaryotic organisms only, in three domain classification?
A.
One
B.
Three
C.
Two
D.
Four
Q302
Allen
(B) ANALYTICAL QUESTIONS
MCQ
A bacterium is able of withstand extreme heat, dryness, and toxic chemical this indicates that it is probably able to form :
A.
Endospore
B.
Thick peptidoglycan wall
C.
Capsule
D.
Toxins
Q303
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Heterocysts as specialized cells to fix atmospheric nitrogen are produced by:
A.
Rhodospirillum and Nostoc
B.
Anabaena and Azolla
C.
Nostoc and Anabaena
D.
Rhodopseudomonas and Oscillatoria
Q304
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Which of the following are the characters of dinoflagellates?
(i) They are planktonic golden yellow algae with soap box like structure.
(ii) They are marine red biflagellated Protista.
(iii) They appear yellow, green, brown, blue and red in colour.
(iv) They are biflagellated organisms with pellicle.
(v) They are saprophytic (or) parasitic unicellular forms.
(i) They are planktonic golden yellow algae with soap box like structure.
(ii) They are marine red biflagellated Protista.
(iii) They appear yellow, green, brown, blue and red in colour.
(iv) They are biflagellated organisms with pellicle.
(v) They are saprophytic (or) parasitic unicellular forms.
A.
(ii) and (iii)
B.
(ii) and (v)
C.
(i), (ii) and (iii)
D.
(ii), (iv) and (v)
Q305
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Which statement is incorrect regarding fungi :
A.
Stored food is glycogen and oil
B.
Fungi are haploid in nature
C.
Higher Fungi are more advanced than lower fungi in complexity of sex organs.
D.
Haplontic life cycle and zygotic meiosis occurs in most of the fungi
Q306
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Match column I with column II and choose the right option :
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
a-iv, b-iii, c-i, d-ii
B.
a-ii, b-iii, c-iv, d-i
C.
a-iv, b-i, c-iii, d-ii
D.
a-iii, b-iv, c-ii, d-i
Q307
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Which of the following is not a sexual spore (a) Sporangiospore (b) Ascospore (c) Basidiospore (d) Oospore (e) Zygospore
A.
(a), (b) and (c)
B.
only (a)
C.
(b), (c) and (d)
D.
(d) and (e)
Q308
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Which of the following group of kingdom Protista is being described in the statements given below ?
(i) This group includes diatoms and golden algae.
(ii) They are microscopic and float passively in water currents (plankton).
(iii) Most of them are photosynthetic.
(iv) They have deposits in their habitat; this accumulation over billion of years is referred to as ‘diatomaceous earth’.
(i) This group includes diatoms and golden algae.
(ii) They are microscopic and float passively in water currents (plankton).
(iii) Most of them are photosynthetic.
(iv) They have deposits in their habitat; this accumulation over billion of years is referred to as ‘diatomaceous earth’.
A.
Dinoflagellates
B.
Chrysophytes
C.
Euglenoids
D.
Slime moulds
Q309
Allen
(B) ANALYTICAL QUESTIONS
MCQ
The given statements are some characters of a particular group of Kingdom Protista.
(i) Most of them are fresh water organisms found in standing water.
(ii) They have a protein rich layer (called pellicle) which makes their body flexible.
(iii) They have two flagella, a short and a long one.
(iv) Though they are photosynthetic in the presence of sunlight, but in the absence of sunlight they behave like heterotrophs by predating on other smaller organisms.
Identify the correct group on the basis of these characters.
(i) Most of them are fresh water organisms found in standing water.
(ii) They have a protein rich layer (called pellicle) which makes their body flexible.
(iii) They have two flagella, a short and a long one.
(iv) Though they are photosynthetic in the presence of sunlight, but in the absence of sunlight they behave like heterotrophs by predating on other smaller organisms.
Identify the correct group on the basis of these characters.
A.
Protozoans
B.
Chrysophytes
C.
Slime moulds
D.
Euglenoids
Q310
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Which of the following statement(s) is/are correct about ascomycetes ?
(i) Neurospora, which is used in biochemical and genetic work is a member of this class.
(ii) They are mostly multicellular, e.g., Yeast, or rarely unicellular, e.g., Penicillium.
(iii) They are saprophytic, decomposers, parasitic or coprophilous.
(iv) Some examples are Aspergillus, Claviceps and Neurospora.
(i) Neurospora, which is used in biochemical and genetic work is a member of this class.
(ii) They are mostly multicellular, e.g., Yeast, or rarely unicellular, e.g., Penicillium.
(iii) They are saprophytic, decomposers, parasitic or coprophilous.
(iv) Some examples are Aspergillus, Claviceps and Neurospora.
A.
Both (i) and (ii)
B.
Only (ii)
C.
(i), (iii) and (iv)
D.
All of these
Q311
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Which of the following statement(s) is/are correct about class basidiomycetes ?
(i) They are commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.
(ii) They grow in soil, on logs and tree stumps and in living plant bodies as parasites, e.g., rusts and smuts.
(iii) The mycelium is branched and septate.
(iv) Some common members are Agaricus, Ustilago and Puccinia.
(i) They are commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.
(ii) They grow in soil, on logs and tree stumps and in living plant bodies as parasites, e.g., rusts and smuts.
(iii) The mycelium is branched and septate.
(iv) Some common members are Agaricus, Ustilago and Puccinia.
A.
Only (i)
B.
Both (ii) and (iii)
C.
(ii), (iii) and (iv)
D.
All of these
Q312
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Assertion : Euglena can be placed in the plant kingdom due to the presence of chlorophyll.
Reason : Euglena cannot be classified on the basis of two kingdom system of classification.
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.
Q313
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Assertion : Outside a living cell, viruses have must crystalline statements. Reason : Viroids have a protein coat.
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.
Q314
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.
Q315
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.
Q316
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-I | Column-II | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
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
Q317
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.
Q318
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 :
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).
Q319
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
Q320
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
Q321
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.
Q322
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Nitrogen fixation in root nodules of Alnus is brought about by :-
A.
Frankia
B.
Azorhizobium
C.
Bradyrhizobium
D.
Clostridium
Q323
Allen
(B) ANALYTICAL QUESTIONS
MCQ
Single-celled eukaryotes are included in :-
A.
Monera
B.
Protista
C.
Fungi
D.
Archaea
Q324
Allen
(B) ANALYTICAL QUESTIONS
MCQ
The common nitrogen-fixer in paddy fields is:
A.
Frankia
B.
Rhizobium
C.
Azospirillum
D.
Oscillatoria
Q325
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) 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)