Q701
Allen
ANALYTICAL QUESTIONS
MCQ
Choose the incorrect statement :-
A.
Haplontic life cycle is present in Spirogyra.
B.
Diplontic life cycle is present in focus.
C.
Haplo-diplontic life cycle is present in pteridophytes.
D.
Haplontic life cycle is present in gymnosperm.
Q702
Allen
ANALYTICAL QUESTIONS
MCQ
Most algal genera are A some of them such as Ectocarpus, Polysiphonia, kelps are B\_Identify the A and B :-
A.
Diplontic and Diplontic
B.
Haplontic and haplontic
C.
Haplontic and diplontic
D.
Haplontic and haplo-diplontic
Q703
Allen
ANALYTICAL QUESTIONS
MCQ
Sporophyte ā Spore ā āA" Identify the A :-
A.
Zygote
B.
Syngamy
C.
Gametophyte
D.
Gametogenesis
Q704
Allen
ANALYTICAL QUESTIONS
MCQ
Sporophyte is developed from :-
A.
Spore
B.
Gametophyte
C.
Zygote
D.
Meiosis
Q705
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements:
Statement-I: Natural classification systems also based on evolutionary relationships between the various organisms.
Statement-II : In numerical taxonomy each character is given equal importance and at the same time hundreds of characters can be considered.
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-Il is incorrect.
D.
Statement-I is incorrect but Statement-II is correct.
Q706
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two
statements:Statement-I : The form and size of algae ishighly variable, ranging from colonial formslike Ulothrix and Spirogyra and to thefilamentous forms like
Volvox.Statement-II : Anisogamous typeofreproduction is found in Eudorina.
In the light of the above statements, choosethe most appropriate answer from theoptions given below:
A.
Both Statement-I and Statement-II arecorrect.
B.
Both Statement-I and statement-II areincorrect.
C.
Statement-I is correct but Statement-IIis incorrect.
D.
Statement-I is incorrect but Statement-IIis correct.
Q707
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements:
Statement-I: Agar is one of the commercial products obtained from members of Phaeophyceae.
Statement-II: Major pigments chlorophyll a, d and phycoerythrin is found in the members of Phaeophyceae.
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.
Q708
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements:
Statement-I: Most of the members of Chlorophyceae have one or more storage bodies called pyrenoids located in the chloroplasts.
Statement-II: Cell wall of members of Rhodophyceae is made up of cellulose, pectin and polysulphate esters.
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.
Q709
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements:
Statement-I: Algae are non Embryophytes, Atracheophytes, Spermatophytes and homosporous.
Statement-II: Sex organs of algae are multicellular and jacketed.
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.
Q710
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements:
Statement-I: *Selaginella* and *Salvinia* are homosporous pteridophytes.
Statement-II: Gymnosperms are Tracheophytes, Embryophytes, heterosporous, Spermatophytes, Phanerogams.
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.
Q711
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Artificial system of classification separated closely related species.
Reason (R): Artificial system of classification was based on a few characteristics.
In the light of the above statements,
choose the most appropriate answer from the options given below:
Assertion (A): Artificial system of classification separated closely related species.
Reason (R): Artificial system of classification was based on a few characteristics.
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).
Q712
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Most algal genera are haplontic.
Reason (R): In algae, mitosis in zygote results in the formation of diploid spores, the diploid spores divide meiotically to form Gametophyte.
In the light of the above statements,
choose the most appropriate answer from the options given below:
Assertion (A): Most algal genera are haplontic.
Reason (R): In algae, mitosis in zygote results in the formation of diploid spores, the diploid spores divide meiotically to form Gametophyte.
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).
Q713
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Mosses are of great ecological importance.
Reason (R): Mosses along with lichens are the first organisms to colonise rocks. They decompose rocks making the substrate suitable for the growth of higher plants.
In the light of the above statements,
choose the most appropriate answer from the options given below:
Assertion (A): Mosses are of great ecological importance.
Reason (R): Mosses along with lichens are the first organisms to colonise rocks. They decompose rocks making the substrate suitable for the growth of higher plants.
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).
Q714
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Majority of Pteriodophytes are heterosporous.
Reason (R) : Genera like Selaginella and Salvinia produce two kinds of spores, macro (large) and micro (small).
In the light of the above statements,
choose the most appropriate answer from the options given below :
Assertion (A) : Majority of Pteriodophytes are heterosporous.
Reason (R) : Genera like Selaginella and Salvinia produce two kinds of spores, macro (large) and micro (small).
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).
Q715
Allen
ANALYTICAL QUESTIONS
MCQ
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : In heterosporous Pteridophytes, gametophyte is dioecious.
Reason (R) : The female gametophytes in heterosporous Pteridophytes, are retained on parent sporophyte for variable periods.
In the light of the above statements,
choose the most appropriate answer from the options given below :
Assertion (A) : In heterosporous Pteridophytes, gametophyte is dioecious.
Reason (R) : The female gametophytes in heterosporous Pteridophytes, are retained on parent sporophyte for variable periods.
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).
Q716
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :
(a) Natural classification systems were not based on natural affinities among the organisms and evolutionary relationship between various organisms.
(b) In Volvox, Fucus sexual reproduction is oogamous.
(c) In numerical taxonomy, each character is given equal importance and at the same time hundreds of characters can be considered.
(d) In algae, asexual reproduction is by production of different types of spores, the most common being the conidia.
(e) At least half of the total carbon di-oxide fixation on earth is carried out by algae through photosynthesis.
Choose the correct answer from the options given below :
(a) Natural classification systems were not based on natural affinities among the organisms and evolutionary relationship between various organisms.
(b) In Volvox, Fucus sexual reproduction is oogamous.
(c) In numerical taxonomy, each character is given equal importance and at the same time hundreds of characters can be considered.
(d) In algae, asexual reproduction is by production of different types of spores, the most common being the conidia.
(e) At least half of the total carbon di-oxide fixation on earth is carried out by algae through photosynthesis.
Choose the correct answer from the options given below :
A.
a and bonly
B.
b, c, d and e only
C.
a, b, d and e only
D.
b, c and e only
Q717
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :
(a) Red colour of red algae is due to predominance of the red pigment fucoxanthin.
(b) Chlorella is a multicellular alga rich in proteins is used as food supplement even by space travellers.
(c) Green algae usually have a rigid cell wall made of an outer layer of cellulose and an inner layer of pectose.
(d) In red algae food is stored as floridean starch which is very similar to amylopectin and glycogen in structure.
(e) Fucus is a brown alga shows haplodiplontic life cycle.
(a) Red colour of red algae is due to predominance of the red pigment fucoxanthin.
(b) Chlorella is a multicellular alga rich in proteins is used as food supplement even by space travellers.
(c) Green algae usually have a rigid cell wall made of an outer layer of cellulose and an inner layer of pectose.
(d) In red algae food is stored as floridean starch which is very similar to amylopectin and glycogen in structure.
(e) Fucus is a brown alga shows haplodiplontic life cycle.
A.
a, b and c
B.
a, b,c and e
C.
only d
D.
c and d only
Q718
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :
(a) Polysiphonia, Porphyra are red algae, and Laminaria, Sargassum are brown algae.
(b) Asexual reproduction in most brown algae is by biflagellated zoospores that are pear shaped and have two equal laterally attached flagella.
(c) The plant body of bryophytes is less differentiated than Pteriodophytes.
(d) Species of Gelidium, a moss provide peat that have long been used as fuel.
(e) Marchantia, is the leafy member of liverworts has tiny leaf like appendages in two rows on stem like structure.
(a) Polysiphonia, Porphyra are red algae, and Laminaria, Sargassum are brown algae.
(b) Asexual reproduction in most brown algae is by biflagellated zoospores that are pear shaped and have two equal laterally attached flagella.
(c) The plant body of bryophytes is less differentiated than Pteriodophytes.
(d) Species of Gelidium, a moss provide peat that have long been used as fuel.
(e) Marchantia, is the leafy member of liverworts has tiny leaf like appendages in two rows on stem like structure.
A.
a and c only
B.
b,d and e only
C.
a, b and c only
D.
c only
Q719
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :
(a) The main plant body of the bryophytes is haploid.
(b) In bryophytes, zygotes do not undergo reduction division immediately and they produce a multicellular body called sporophyte.
(c) In Selaginella, Equisetum sporophylls may form distinct compact structures called strobili or cones.
(d) Funaria, Polytrichum and Sphagnum are liverworts.
(e) In mosses rhizoids are unbranched and unicellular.
(a) The main plant body of the bryophytes is haploid.
(b) In bryophytes, zygotes do not undergo reduction division immediately and they produce a multicellular body called sporophyte.
(c) In Selaginella, Equisetum sporophylls may form distinct compact structures called strobili or cones.
(d) Funaria, Polytrichum and Sphagnum are liverworts.
(e) In mosses rhizoids are unbranched and unicellular.
A.
a, b and c only
B.
a, b, c and d only
C.
d and e only
D.
a, b and d only
Q720
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :-
(a) Pteridophytes are first spermatophytes evolutionarily.
(b) In homosporous pteridophytes, spores germinate to give rise to inconspicuous, small but multicellular, free living mostly photosynthetic thalloid gameteophytes called prothallus.
(c) Majority of Pteriodophytes are homosporous.
(d) Homosporous Pteridophyes show event precursor to the seed habit.
(e) Equisetum belongs to class Lycopsida. Choose the correct answer from options given below :
(a) Pteridophytes are first spermatophytes evolutionarily.
(b) In homosporous pteridophytes, spores germinate to give rise to inconspicuous, small but multicellular, free living mostly photosynthetic thalloid gameteophytes called prothallus.
(c) Majority of Pteriodophytes are homosporous.
(d) Homosporous Pteridophyes show event precursor to the seed habit.
(e) Equisetum belongs to class Lycopsida. Choose the correct answer from options given below :
A.
a, d and e only
B.
b and c only
C.
a, b, c and d only
D.
b, c and d only
Q721
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :
(a) One of the gymnosperms, the giant red wood tree sequoia is one of the tallest tree species.
(b) Gymnosperms are heterosporous cryptogams.
(c) Gymnosperms are evolutionarily last archegoniate plant group.
(d) Pteridophytes are evolutionarily last antheridial plant group.
(e) The stems are unbranched in Cycas and branched in Pinus and Cedrus.
Choose the correct answer from options given below :
(a) One of the gymnosperms, the giant red wood tree sequoia is one of the tallest tree species.
(b) Gymnosperms are heterosporous cryptogams.
(c) Gymnosperms are evolutionarily last archegoniate plant group.
(d) Pteridophytes are evolutionarily last antheridial plant group.
(e) The stems are unbranched in Cycas and branched in Pinus and Cedrus.
Choose the correct answer from options given below :
A.
a, b and d only
B.
c, d and e only
C.
a, b, c and d only
D.
a, c, d and e only
Q722
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :-
(a) Roots in some genera have fungal association in the form of mycorrhiza (like Cycas), while in some others (like Pinus) small specialised roots called coralloid roots are associated with Nā-fixing cyanobacteria.
(b) In gymnosperms the multicellular female gametophytes is also retained within megasporangium.
(c) In gymnosperm's endosperm represents female gametophyte.
(d) Gymnosperms show anemophilous pollination.
(e) In Cycas the pinnate leaves persist for few year.
(a) Roots in some genera have fungal association in the form of mycorrhiza (like Cycas), while in some others (like Pinus) small specialised roots called coralloid roots are associated with Nā-fixing cyanobacteria.
(b) In gymnosperms the multicellular female gametophytes is also retained within megasporangium.
(c) In gymnosperm's endosperm represents female gametophyte.
(d) Gymnosperms show anemophilous pollination.
(e) In Cycas the pinnate leaves persist for few year.
A.
a, b, c and e only
B.
a, c, d and e only
C.
b, c, d and e only
D.
a, b, c, d and e
Q723
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :
(a) Angiosperms range in size form the smallest Wolffia to tall tree like Eucalyptus. (Over 100 meter)
(b) In angiosperms endosperm is haploid and it represents the female gametophyte. Choose the correct answer from options given below :-
A.
b only
B.
a only
C.
Both a and b
D.
None of these
Q724
Allen
ANALYTICAL QUESTIONS
MCQ
Identify the correct set of statements :-
(a) In Spirogyra sporophytic generation is represented only by one called zygote.
(b) Fucus is a brown alga shows diplontic life cycle.
(c) Bryophytes and pteridophytes show diplontic life cycle.
(d) Ectocarpus, Polysiphonia, kelps are haplodiplontic.
(e) Gymnosperms and angiosperms show haplontic life cycle.
(a) In Spirogyra sporophytic generation is represented only by one called zygote.
(b) Fucus is a brown alga shows diplontic life cycle.
(c) Bryophytes and pteridophytes show diplontic life cycle.
(d) Ectocarpus, Polysiphonia, kelps are haplodiplontic.
(e) Gymnosperms and angiosperms show haplontic life cycle.
A.
a, b and e only
B.
a, b, d and e only
C.
a, b and d only
D.
b and d only
Q725
Allen
ANALYTICAL QUESTIONS
MCQ
Conifers differ from grasses in the
A.
absence of pollen tubes
B.
formation of endosperm before fertilization
C.
production of seeds from ovules
D.
lack of xylem tracheids