Page 1
BIOLOGY
Biological Classification
Q.1 Single-celled eukaryotes are included in
(a) Protista (b) Fungi
(c) Archaea (d) Monera
Q.2 Membrane-bound organelles are absent in
(a) Saccharomyces (b) Streptococcus
(c) Chlamydomonas (d) Plasmodium
Q.3 Mycorrhiza is correctly described as
(a) Parasitic association between roots and some
fungi
(b) Symbiotic relationship between fungi and
roots of some higher plants
(c) Symbiosis of algae and fungi
(d) Relation of ants with the stem of some trees.
Q.4 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.
Q.5 Statement I : In general, viruses that infect
plants have single stranded RNA.
Statement II : Viruses that infect animals have
either single or double stranded RNA or double
stranded DNA.
(a) Both statements are correct.
(b) Statement I is correct & II is incorrect.
(c) Statement I is incorrect & II is correct.
(d) Both statements are incorrect.
Q.6 Nuclear membrane is absent in
(a) Penicillium (b) Agaricus
(c) Volvox (d) Nostoc
Q.7 Absorptive heterotrophic nutrition is exhibited
by
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Pteridophytes
Q.8 Pick up the wrong statement.
(a) Some fungi are edible.
(b) Nuclear membrane is present in Monera
(c) Cell wall is absent in Animalia.
(d) Protists have photosynthetic and heterotrophic
modes of nutrition.
Q.9 Which one of the following living organisms
completely lacks a cell wall?
(a) Aspergillus (b) Sea-fan (Gorgonia)
(c) Saccharomyces (d) Blue-green algae
Q.10 Which of the following is correct about
viroids?
(a) They have RNA with protein coat.
(b) They have free RNA without protein coat.
(c) They have DNA with protein coat.
(d) They have free DNA without protein coat.
Q.11 Which one belongs to Monera?
(a) Amoeba (b) Escherichia
(c) Gelidium (d) Spirogyra
Q.12 Which of the following organisms are known
as chief producers in the oceans?
(a) Dinoflagellates
(b) Diatoms
(c) Cyanobacteria
(d) Euglenoids
Q.13 Most common method of reproduction in
prokaryotes
(a) Budding (b) Binary fission
(c) Transduction (d) Conjugation
Q.14 Select the wrong statement.
(a) The walls of diatoms are easily destructible.
(b) ‘Diatomaceous earth’ is formed by the cell
walls of diatoms.
(c) Diatoms are chief producers in the oceans.
(d) Diatoms are microscopic and float passively
in water.
Q.15 Chrysophytes, Euglenoids, Dinoflagellates and
Slime moulds are included in the Kingdom
(a) Fungi (b) Animalia
(c) Monera (d) Protista
Page 2
BIOLOGY
Biological Classification
Q.1 Single-celled eukaryotes are included in
(a) Protista (b) Fungi
(c) Archaea (d) Monera
Q.2 Membrane-bound organelles are absent in
(a) Saccharomyces (b) Streptococcus
(c) Chlamydomonas (d) Plasmodium
Q.3 Mycorrhiza is correctly described as
(a) Parasitic association between roots and some
fungi
(b) Symbiotic relationship between fungi and
roots of some higher plants
(c) Symbiosis of algae and fungi
(d) Relation of ants with the stem of some trees.
Q.4 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.
Q.5 Statement I : In general, viruses that infect
plants have single stranded RNA.
Statement II : Viruses that infect animals have
either single or double stranded RNA or double
stranded DNA.
(a) Both statements are correct.
(b) Statement I is correct & II is incorrect.
(c) Statement I is incorrect & II is correct.
(d) Both statements are incorrect.
Q.6 Nuclear membrane is absent in
(a) Penicillium (b) Agaricus
(c) Volvox (d) Nostoc
Q.7 Absorptive heterotrophic nutrition is exhibited
by
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Pteridophytes
Q.8 Pick up the wrong statement.
(a) Some fungi are edible.
(b) Nuclear membrane is present in Monera
(c) Cell wall is absent in Animalia.
(d) Protists have photosynthetic and heterotrophic
modes of nutrition.
Q.9 Which one of the following living organisms
completely lacks a cell wall?
(a) Aspergillus (b) Sea-fan (Gorgonia)
(c) Saccharomyces (d) Blue-green algae
Q.10 Which of the following is correct about
viroids?
(a) They have RNA with protein coat.
(b) They have free RNA without protein coat.
(c) They have DNA with protein coat.
(d) They have free DNA without protein coat.
Q.11 Which one belongs to Monera?
(a) Amoeba (b) Escherichia
(c) Gelidium (d) Spirogyra
Q.12 Which of the following organisms are known
as chief producers in the oceans?
(a) Dinoflagellates
(b) Diatoms
(c) Cyanobacteria
(d) Euglenoids
Q.13 Most common method of reproduction in
prokaryotes
(a) Budding (b) Binary fission
(c) Transduction (d) Conjugation
Q.14 Select the wrong statement.
(a) The walls of diatoms are easily destructible.
(b) ‘Diatomaceous earth’ is formed by the cell
walls of diatoms.
(c) Diatoms are chief producers in the oceans.
(d) Diatoms are microscopic and float passively
in water.
Q.15 Chrysophytes, Euglenoids, Dinoflagellates and
Slime moulds are included in the Kingdom
(a) Fungi (b) Animalia
(c) Monera (d) Protista
Q.16 In which group of organisms the cell walls
form two thin overlapping shells which fit
together?
(a) Dinoflagellates (b) Slime moulds
(c) Chrysophytes (d) Euglenoids
Q.17 Which one of the following organisms is not
an eukaryote?
(a) Paramecium caudatum
(b) Escherichia coli
(c) Euglena viridis
(d) Amoeba proteus
Q.18 Endospore formation is seen in mostly which
type of bacteria
(a) Coccus (b) Bacillus
(c) Spirillum (d) Vibrio
Q.19 Blue green algae belongs to
(a) Protista (b) Monera
(c) Algae (d) Fungi
Q.20 Match column -I with column - II.
Column-I Column-II
A. Saprophyte (i) Symbiotic association of
fungi with plant roots
B. Parasite (ii) Decomposition of dead
organic materials
C. Lichens (iii)Living on living plants
or animals
D. Mycorrhiza (iv)Symbiotic association of
algae and fungi
Choose the correct answer from the options
given below.
(A) (B) (C) (D)
(a) (ii) (iii) (iv) (i)
(b) (i) (ii) (iii) (iv)
(c) (iii) (ii) (i) (iv)
(d) (ii) (i) (iii) (iv)
Q.21 Which of the following statements is correct
for archaea?
(a) Archaea resemble eukaryotes in all respects.
(b) Archaea have some novel features that are
absent in other prokaryotes and eukaryotes.
(c) Archaea completely differ from both
prokaryotes and eukaryotes.
(d) Archaea completely differ from prokaryotes.
Q.22 Which of the following statements is not
correct for methanogens?
(a) They are archaebacteria.
(b) They live in marshy areas.
(c) Methane is their preferred carbon source.
(d) They are present in guts of several ruminant
animals (cow, buffaloes) and produce biogas
(CH
4
) from the dung of these animals.
Q.23 Plasmogamy is fusion of
(a) Two haploid cells including their nuclei
(b) Two haploid cells without nuclear fusion
(c) Sperm and egg
(d) Sperm and two polar nuclei
Q.24 Which of the following statement is/ are
correct for bacteria?
(a) They are the members of the kingdom monera.
(b) They live in extreme habitats such as hot
springs, deserts, snow and deep oceans.
(c) They show the most extensive metabolic diversity .
(d) All of the above
Q.25 Which of the following statements is a
characteristic feature of chrysophytes?
(a) They are parasitic forms which cause
diseases in animals.
(b) They have a protein rich layer called pellicle.
(c) They have indestructible cell wall layer
deposited with silica.
(d) They are commonly called dinoflagellates.
Q.26 Which of the following statements is correct
for dinoflagellates flagella ?
(a) A single flagellum lies in the transverse groove
between the cell plates.
(b) A single flagellum lies in the longitudinal
groove between the cell plates.
(c) Two flagella, one lies longitudinally and the other
transversely in a furrow between the wall plates.
(d) Flagella are absent.
Q.27 T. O. Diener discovered a new infectious
agent that was smaller than viruses and have
the following characteristics.
(i) It causes potato spindle tuber disease.
(ii) It has free RNA.
(iii) Molecular weight of RNA is low.
Identify the infections agent.
(a) Viruses (b) Viroids
(c) Virion (d) Mycoplasma
Page 3
BIOLOGY
Biological Classification
Q.1 Single-celled eukaryotes are included in
(a) Protista (b) Fungi
(c) Archaea (d) Monera
Q.2 Membrane-bound organelles are absent in
(a) Saccharomyces (b) Streptococcus
(c) Chlamydomonas (d) Plasmodium
Q.3 Mycorrhiza is correctly described as
(a) Parasitic association between roots and some
fungi
(b) Symbiotic relationship between fungi and
roots of some higher plants
(c) Symbiosis of algae and fungi
(d) Relation of ants with the stem of some trees.
Q.4 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.
Q.5 Statement I : In general, viruses that infect
plants have single stranded RNA.
Statement II : Viruses that infect animals have
either single or double stranded RNA or double
stranded DNA.
(a) Both statements are correct.
(b) Statement I is correct & II is incorrect.
(c) Statement I is incorrect & II is correct.
(d) Both statements are incorrect.
Q.6 Nuclear membrane is absent in
(a) Penicillium (b) Agaricus
(c) Volvox (d) Nostoc
Q.7 Absorptive heterotrophic nutrition is exhibited
by
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Pteridophytes
Q.8 Pick up the wrong statement.
(a) Some fungi are edible.
(b) Nuclear membrane is present in Monera
(c) Cell wall is absent in Animalia.
(d) Protists have photosynthetic and heterotrophic
modes of nutrition.
Q.9 Which one of the following living organisms
completely lacks a cell wall?
(a) Aspergillus (b) Sea-fan (Gorgonia)
(c) Saccharomyces (d) Blue-green algae
Q.10 Which of the following is correct about
viroids?
(a) They have RNA with protein coat.
(b) They have free RNA without protein coat.
(c) They have DNA with protein coat.
(d) They have free DNA without protein coat.
Q.11 Which one belongs to Monera?
(a) Amoeba (b) Escherichia
(c) Gelidium (d) Spirogyra
Q.12 Which of the following organisms are known
as chief producers in the oceans?
(a) Dinoflagellates
(b) Diatoms
(c) Cyanobacteria
(d) Euglenoids
Q.13 Most common method of reproduction in
prokaryotes
(a) Budding (b) Binary fission
(c) Transduction (d) Conjugation
Q.14 Select the wrong statement.
(a) The walls of diatoms are easily destructible.
(b) ‘Diatomaceous earth’ is formed by the cell
walls of diatoms.
(c) Diatoms are chief producers in the oceans.
(d) Diatoms are microscopic and float passively
in water.
Q.15 Chrysophytes, Euglenoids, Dinoflagellates and
Slime moulds are included in the Kingdom
(a) Fungi (b) Animalia
(c) Monera (d) Protista
Q.16 In which group of organisms the cell walls
form two thin overlapping shells which fit
together?
(a) Dinoflagellates (b) Slime moulds
(c) Chrysophytes (d) Euglenoids
Q.17 Which one of the following organisms is not
an eukaryote?
(a) Paramecium caudatum
(b) Escherichia coli
(c) Euglena viridis
(d) Amoeba proteus
Q.18 Endospore formation is seen in mostly which
type of bacteria
(a) Coccus (b) Bacillus
(c) Spirillum (d) Vibrio
Q.19 Blue green algae belongs to
(a) Protista (b) Monera
(c) Algae (d) Fungi
Q.20 Match column -I with column - II.
Column-I Column-II
A. Saprophyte (i) Symbiotic association of
fungi with plant roots
B. Parasite (ii) Decomposition of dead
organic materials
C. Lichens (iii)Living on living plants
or animals
D. Mycorrhiza (iv)Symbiotic association of
algae and fungi
Choose the correct answer from the options
given below.
(A) (B) (C) (D)
(a) (ii) (iii) (iv) (i)
(b) (i) (ii) (iii) (iv)
(c) (iii) (ii) (i) (iv)
(d) (ii) (i) (iii) (iv)
Q.21 Which of the following statements is correct
for archaea?
(a) Archaea resemble eukaryotes in all respects.
(b) Archaea have some novel features that are
absent in other prokaryotes and eukaryotes.
(c) Archaea completely differ from both
prokaryotes and eukaryotes.
(d) Archaea completely differ from prokaryotes.
Q.22 Which of the following statements is not
correct for methanogens?
(a) They are archaebacteria.
(b) They live in marshy areas.
(c) Methane is their preferred carbon source.
(d) They are present in guts of several ruminant
animals (cow, buffaloes) and produce biogas
(CH
4
) from the dung of these animals.
Q.23 Plasmogamy is fusion of
(a) Two haploid cells including their nuclei
(b) Two haploid cells without nuclear fusion
(c) Sperm and egg
(d) Sperm and two polar nuclei
Q.24 Which of the following statement is/ are
correct for bacteria?
(a) They are the members of the kingdom monera.
(b) They live in extreme habitats such as hot
springs, deserts, snow and deep oceans.
(c) They show the most extensive metabolic diversity .
(d) All of the above
Q.25 Which of the following statements is a
characteristic feature of chrysophytes?
(a) They are parasitic forms which cause
diseases in animals.
(b) They have a protein rich layer called pellicle.
(c) They have indestructible cell wall layer
deposited with silica.
(d) They are commonly called dinoflagellates.
Q.26 Which of the following statements is correct
for dinoflagellates flagella ?
(a) A single flagellum lies in the transverse groove
between the cell plates.
(b) A single flagellum lies in the longitudinal
groove between the cell plates.
(c) Two flagella, one lies longitudinally and the other
transversely in a furrow between the wall plates.
(d) Flagella are absent.
Q.27 T. O. Diener discovered a new infectious
agent that was smaller than viruses and have
the following characteristics.
(i) It causes potato spindle tuber disease.
(ii) It has free RNA.
(iii) Molecular weight of RNA is low.
Identify the infections agent.
(a) Viruses (b) Viroids
(c) Virion (d) Mycoplasma
Q.28 Consider the following statements with
respect to characteristic features of the
kingdom.
(i) In animalia, the mode of nutrition is
autotrophic.
(ii) In monera, the nuclear membrane is present.
(iii) In protista, the cell type is prokaryotic.
(iv) In plantae, the cell wall is present.
Of the above statements, which one is correct ?
(a) (i) only (b) (ii) only
(c) (iii) only (d) (iv) only
Q.29 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’.
(a) Dinoflagellates (b) Chrysophytes
(c) Euglenoids (d) Slime moulds
Q.30 Which of the following class of fungi is being
described by the given statements ?
(i) They are found in aquatic habitats and on
decaying wood in moist and damp places.
(ii) Mycelium is aseptate and coenocytic.
(iii) Asexual reproduction takes place by zoospores
(motile) or by aplanospores (non-motile).
(iv) Some common examples are Mucor, Rhizopus
and Albugo.
(a) Ascomycetes (b) Phycomycetes
(c) Basidiomycetes (d) Deuteromycetes
Q.31 In eubacteria, a cellular component that
resembles eukaryotic cell is
(a) Plasma membrane (b) Nucleus
(c) Ribosomes (d) Cell wall
Q.32 Some hyperthermophilic organisms that
grow in highly acidic (pH 2) habitats belong
to the two groups
(a) Eubacteria and archaea
(b) Cyanobacteria and diatoms
(c) Protists and mosses
(d) Liverworts and yeasts
Q.33 Select the correct combination of the
statements (i-iv) regarding the characteristics
of certain organisms.
(i) Methanogens are archaebacteria which
produce methane in marshy areas.
(ii) Nostoc is a filamentous blue-green alga
which fixes atmospheric nitrogen.
(iii) Chemosynthetic autotrophic bacteria
synthesize by using light energy.
(iv) Mycoplasma lack a cell wall and can
survive without oxygen.
The correct statements are
(a) (ii) and (iii) (b) (i),(ii) and (iii)
(c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)
Q.34 Which of the two kingdoms have similar types
of cells in the six-kingdom classification?
(a) Monera and Protista
(b) Protista and Archea
(c) Archea and animalia
(d) Plantae and animalia
Q.35 In bacteria, plasmid is
(a) Extra chromosomal material
(b) Main DNA
(c) Non functional DNA
(d) Repetitive gene
Q.36 Infoldings of plasma membrane in bacteria
are called?
(a) Episomes (b) Plasmid
(c) Pili (d) Mesosomes
Q.37 What is true for archaebacteria?
(a) All halophiles (b) All photosynthetics
(c) All fossils (d) Oldest living beings
Q.38 Difference in Gram positive and Gram
negative bacteria is due to
(a) Cell wall (b) Cell membrane
(c) Ribosome (d) Cytoplasm
Q.39 Nucleoid is _______
(a) Virus
(b) New types of micro organism
(c) Extra chromosomal genetic material of bacteria
(d) Essential bacterial genetic materials
Q.40 The mode of the nutrition of bacteria is usually
(a) Photo autotrophic (b) Chemo autotrophic
(c) Heterotrophic (d) None
Page 4
BIOLOGY
Biological Classification
Q.1 Single-celled eukaryotes are included in
(a) Protista (b) Fungi
(c) Archaea (d) Monera
Q.2 Membrane-bound organelles are absent in
(a) Saccharomyces (b) Streptococcus
(c) Chlamydomonas (d) Plasmodium
Q.3 Mycorrhiza is correctly described as
(a) Parasitic association between roots and some
fungi
(b) Symbiotic relationship between fungi and
roots of some higher plants
(c) Symbiosis of algae and fungi
(d) Relation of ants with the stem of some trees.
Q.4 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.
Q.5 Statement I : In general, viruses that infect
plants have single stranded RNA.
Statement II : Viruses that infect animals have
either single or double stranded RNA or double
stranded DNA.
(a) Both statements are correct.
(b) Statement I is correct & II is incorrect.
(c) Statement I is incorrect & II is correct.
(d) Both statements are incorrect.
Q.6 Nuclear membrane is absent in
(a) Penicillium (b) Agaricus
(c) Volvox (d) Nostoc
Q.7 Absorptive heterotrophic nutrition is exhibited
by
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Pteridophytes
Q.8 Pick up the wrong statement.
(a) Some fungi are edible.
(b) Nuclear membrane is present in Monera
(c) Cell wall is absent in Animalia.
(d) Protists have photosynthetic and heterotrophic
modes of nutrition.
Q.9 Which one of the following living organisms
completely lacks a cell wall?
(a) Aspergillus (b) Sea-fan (Gorgonia)
(c) Saccharomyces (d) Blue-green algae
Q.10 Which of the following is correct about
viroids?
(a) They have RNA with protein coat.
(b) They have free RNA without protein coat.
(c) They have DNA with protein coat.
(d) They have free DNA without protein coat.
Q.11 Which one belongs to Monera?
(a) Amoeba (b) Escherichia
(c) Gelidium (d) Spirogyra
Q.12 Which of the following organisms are known
as chief producers in the oceans?
(a) Dinoflagellates
(b) Diatoms
(c) Cyanobacteria
(d) Euglenoids
Q.13 Most common method of reproduction in
prokaryotes
(a) Budding (b) Binary fission
(c) Transduction (d) Conjugation
Q.14 Select the wrong statement.
(a) The walls of diatoms are easily destructible.
(b) ‘Diatomaceous earth’ is formed by the cell
walls of diatoms.
(c) Diatoms are chief producers in the oceans.
(d) Diatoms are microscopic and float passively
in water.
Q.15 Chrysophytes, Euglenoids, Dinoflagellates and
Slime moulds are included in the Kingdom
(a) Fungi (b) Animalia
(c) Monera (d) Protista
Q.16 In which group of organisms the cell walls
form two thin overlapping shells which fit
together?
(a) Dinoflagellates (b) Slime moulds
(c) Chrysophytes (d) Euglenoids
Q.17 Which one of the following organisms is not
an eukaryote?
(a) Paramecium caudatum
(b) Escherichia coli
(c) Euglena viridis
(d) Amoeba proteus
Q.18 Endospore formation is seen in mostly which
type of bacteria
(a) Coccus (b) Bacillus
(c) Spirillum (d) Vibrio
Q.19 Blue green algae belongs to
(a) Protista (b) Monera
(c) Algae (d) Fungi
Q.20 Match column -I with column - II.
Column-I Column-II
A. Saprophyte (i) Symbiotic association of
fungi with plant roots
B. Parasite (ii) Decomposition of dead
organic materials
C. Lichens (iii)Living on living plants
or animals
D. Mycorrhiza (iv)Symbiotic association of
algae and fungi
Choose the correct answer from the options
given below.
(A) (B) (C) (D)
(a) (ii) (iii) (iv) (i)
(b) (i) (ii) (iii) (iv)
(c) (iii) (ii) (i) (iv)
(d) (ii) (i) (iii) (iv)
Q.21 Which of the following statements is correct
for archaea?
(a) Archaea resemble eukaryotes in all respects.
(b) Archaea have some novel features that are
absent in other prokaryotes and eukaryotes.
(c) Archaea completely differ from both
prokaryotes and eukaryotes.
(d) Archaea completely differ from prokaryotes.
Q.22 Which of the following statements is not
correct for methanogens?
(a) They are archaebacteria.
(b) They live in marshy areas.
(c) Methane is their preferred carbon source.
(d) They are present in guts of several ruminant
animals (cow, buffaloes) and produce biogas
(CH
4
) from the dung of these animals.
Q.23 Plasmogamy is fusion of
(a) Two haploid cells including their nuclei
(b) Two haploid cells without nuclear fusion
(c) Sperm and egg
(d) Sperm and two polar nuclei
Q.24 Which of the following statement is/ are
correct for bacteria?
(a) They are the members of the kingdom monera.
(b) They live in extreme habitats such as hot
springs, deserts, snow and deep oceans.
(c) They show the most extensive metabolic diversity .
(d) All of the above
Q.25 Which of the following statements is a
characteristic feature of chrysophytes?
(a) They are parasitic forms which cause
diseases in animals.
(b) They have a protein rich layer called pellicle.
(c) They have indestructible cell wall layer
deposited with silica.
(d) They are commonly called dinoflagellates.
Q.26 Which of the following statements is correct
for dinoflagellates flagella ?
(a) A single flagellum lies in the transverse groove
between the cell plates.
(b) A single flagellum lies in the longitudinal
groove between the cell plates.
(c) Two flagella, one lies longitudinally and the other
transversely in a furrow between the wall plates.
(d) Flagella are absent.
Q.27 T. O. Diener discovered a new infectious
agent that was smaller than viruses and have
the following characteristics.
(i) It causes potato spindle tuber disease.
(ii) It has free RNA.
(iii) Molecular weight of RNA is low.
Identify the infections agent.
(a) Viruses (b) Viroids
(c) Virion (d) Mycoplasma
Q.28 Consider the following statements with
respect to characteristic features of the
kingdom.
(i) In animalia, the mode of nutrition is
autotrophic.
(ii) In monera, the nuclear membrane is present.
(iii) In protista, the cell type is prokaryotic.
(iv) In plantae, the cell wall is present.
Of the above statements, which one is correct ?
(a) (i) only (b) (ii) only
(c) (iii) only (d) (iv) only
Q.29 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’.
(a) Dinoflagellates (b) Chrysophytes
(c) Euglenoids (d) Slime moulds
Q.30 Which of the following class of fungi is being
described by the given statements ?
(i) They are found in aquatic habitats and on
decaying wood in moist and damp places.
(ii) Mycelium is aseptate and coenocytic.
(iii) Asexual reproduction takes place by zoospores
(motile) or by aplanospores (non-motile).
(iv) Some common examples are Mucor, Rhizopus
and Albugo.
(a) Ascomycetes (b) Phycomycetes
(c) Basidiomycetes (d) Deuteromycetes
Q.31 In eubacteria, a cellular component that
resembles eukaryotic cell is
(a) Plasma membrane (b) Nucleus
(c) Ribosomes (d) Cell wall
Q.32 Some hyperthermophilic organisms that
grow in highly acidic (pH 2) habitats belong
to the two groups
(a) Eubacteria and archaea
(b) Cyanobacteria and diatoms
(c) Protists and mosses
(d) Liverworts and yeasts
Q.33 Select the correct combination of the
statements (i-iv) regarding the characteristics
of certain organisms.
(i) Methanogens are archaebacteria which
produce methane in marshy areas.
(ii) Nostoc is a filamentous blue-green alga
which fixes atmospheric nitrogen.
(iii) Chemosynthetic autotrophic bacteria
synthesize by using light energy.
(iv) Mycoplasma lack a cell wall and can
survive without oxygen.
The correct statements are
(a) (ii) and (iii) (b) (i),(ii) and (iii)
(c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)
Q.34 Which of the two kingdoms have similar types
of cells in the six-kingdom classification?
(a) Monera and Protista
(b) Protista and Archea
(c) Archea and animalia
(d) Plantae and animalia
Q.35 In bacteria, plasmid is
(a) Extra chromosomal material
(b) Main DNA
(c) Non functional DNA
(d) Repetitive gene
Q.36 Infoldings of plasma membrane in bacteria
are called?
(a) Episomes (b) Plasmid
(c) Pili (d) Mesosomes
Q.37 What is true for archaebacteria?
(a) All halophiles (b) All photosynthetics
(c) All fossils (d) Oldest living beings
Q.38 Difference in Gram positive and Gram
negative bacteria is due to
(a) Cell wall (b) Cell membrane
(c) Ribosome (d) Cytoplasm
Q.39 Nucleoid is _______
(a) Virus
(b) New types of micro organism
(c) Extra chromosomal genetic material of bacteria
(d) Essential bacterial genetic materials
Q.40 The mode of the nutrition of bacteria is usually
(a) Photo autotrophic (b) Chemo autotrophic
(c) Heterotrophic (d) None
Q.41 Mad cow disease in cattle is caused by an
organism which has
(a) Inert crystalline structure
(b) Abnormally folded protein
(c) Free RNA without protein coat
(d) Free DNA without protein coat.
Q.42 Which of the following statements is incorrect?
(a) Prions consist of abnormally folded proteins.
(b) Viroids lack a protein coat.
(c) Viruses are obligate parasites.
(d) Infective constituent in viruses is the protein coat.
Q.43 How many characters for lichens are correct
from given characters ?
(i) Lichens are symbiotic associations.
(ii) It is a associations between algae and fungi.
(iii) The algal component is known as mycobiont.
(iv) Fungal component as phycobiont.
(v) Lichens are very good pollution indicators.
(a) One (b) Two
(c) Three (d) Four
Q.44 Which of the following statements is wrong
for viroids?
(a) They cause infections.
(b) Their RNA is of high molecular weight.
(c) They lack a protein coat.
(d) They are smaller than viruses.
Q.45 Select the wrong statement.
(a) The term ‘contagium vivum fluidum’ was
coined by M. W. Beijerinck.
(b) Mosaic disease in tobacco and AIDS in
human being are caused by viruses.
(c) The viroids were discovered by D.J. Ivanowsky.
(d) W.M. Stanley showed that viruses could be
crystallised.
Q.46 In the following, organisms and related
characteristics are given, select the match
that is not correct–
(a) Euglenoids – Fresh water organisms
found in stagnant water
(b) Slime moulds – Under unfavourable conditions,
they form an aggregation
called plasmodium
(c) Mycoplasma – They can survive without
oxygen
(d) Diatoms – Float passively in water
current
Q.47 Viruses have
(a) Nucleic acid enclosed in a protein coat
(b) Prokaryotic nucleus
(c) Single chromosome
(d) Only DNA as genetic material
Q.48 Which statement is wrong for viruses?
(a) All are parasites.
(b) All of them have helical symmetry.
(c) They have ability to synthesize nucleic acids
and proteins.
(d) Antibiotics have no effect on them.
Q.49 Which one single organism or the pair of
organisms is correctly assigned to its or
their named taxonomic group?
(a) Paramecium and Plasmodium belong to the
same kingdom as that of Penicillium.
(b) Lichen is a composite organism formed from
the symbiotic association of an algae and a
protozoan.
(c) Y east used in making bread and beer is a fungus.
(d) Nostoc and Anabaena are examples of protista.
Q.50 Virus envelope is known as
(a) Capsid
(b) Virion
(c) Nucleoprotein
(d) Core
Q.51 Assertion : Body of fungi consist of long, slender
thread-like structures called hyphae.
Reason : The cell wall of fungi are composed of
chitin (polysaccharides).
(a) Assertion and reason both are true and the
reason is correct explanation of assertion.
(b) Assertion and reason both are true but
reason is not correct explanation of assertion.
(c) Assertion is true but reason is wrong.
(d) Assertion and reason both are wrong.
Q.52 Assertion : Agaricus (mushroom), Ustilago
(smut) and Puccinia (rust fungus) are the
members of ascomycetes.
Reason : In ascomycetes mycelium is branched
and septate. The asexual spores are conidia
which produced exogenously on the special
mycelium called conidiophores.
Page 5
BIOLOGY
Biological Classification
Q.1 Single-celled eukaryotes are included in
(a) Protista (b) Fungi
(c) Archaea (d) Monera
Q.2 Membrane-bound organelles are absent in
(a) Saccharomyces (b) Streptococcus
(c) Chlamydomonas (d) Plasmodium
Q.3 Mycorrhiza is correctly described as
(a) Parasitic association between roots and some
fungi
(b) Symbiotic relationship between fungi and
roots of some higher plants
(c) Symbiosis of algae and fungi
(d) Relation of ants with the stem of some trees.
Q.4 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.
Q.5 Statement I : In general, viruses that infect
plants have single stranded RNA.
Statement II : Viruses that infect animals have
either single or double stranded RNA or double
stranded DNA.
(a) Both statements are correct.
(b) Statement I is correct & II is incorrect.
(c) Statement I is incorrect & II is correct.
(d) Both statements are incorrect.
Q.6 Nuclear membrane is absent in
(a) Penicillium (b) Agaricus
(c) Volvox (d) Nostoc
Q.7 Absorptive heterotrophic nutrition is exhibited
by
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Pteridophytes
Q.8 Pick up the wrong statement.
(a) Some fungi are edible.
(b) Nuclear membrane is present in Monera
(c) Cell wall is absent in Animalia.
(d) Protists have photosynthetic and heterotrophic
modes of nutrition.
Q.9 Which one of the following living organisms
completely lacks a cell wall?
(a) Aspergillus (b) Sea-fan (Gorgonia)
(c) Saccharomyces (d) Blue-green algae
Q.10 Which of the following is correct about
viroids?
(a) They have RNA with protein coat.
(b) They have free RNA without protein coat.
(c) They have DNA with protein coat.
(d) They have free DNA without protein coat.
Q.11 Which one belongs to Monera?
(a) Amoeba (b) Escherichia
(c) Gelidium (d) Spirogyra
Q.12 Which of the following organisms are known
as chief producers in the oceans?
(a) Dinoflagellates
(b) Diatoms
(c) Cyanobacteria
(d) Euglenoids
Q.13 Most common method of reproduction in
prokaryotes
(a) Budding (b) Binary fission
(c) Transduction (d) Conjugation
Q.14 Select the wrong statement.
(a) The walls of diatoms are easily destructible.
(b) ‘Diatomaceous earth’ is formed by the cell
walls of diatoms.
(c) Diatoms are chief producers in the oceans.
(d) Diatoms are microscopic and float passively
in water.
Q.15 Chrysophytes, Euglenoids, Dinoflagellates and
Slime moulds are included in the Kingdom
(a) Fungi (b) Animalia
(c) Monera (d) Protista
Q.16 In which group of organisms the cell walls
form two thin overlapping shells which fit
together?
(a) Dinoflagellates (b) Slime moulds
(c) Chrysophytes (d) Euglenoids
Q.17 Which one of the following organisms is not
an eukaryote?
(a) Paramecium caudatum
(b) Escherichia coli
(c) Euglena viridis
(d) Amoeba proteus
Q.18 Endospore formation is seen in mostly which
type of bacteria
(a) Coccus (b) Bacillus
(c) Spirillum (d) Vibrio
Q.19 Blue green algae belongs to
(a) Protista (b) Monera
(c) Algae (d) Fungi
Q.20 Match column -I with column - II.
Column-I Column-II
A. Saprophyte (i) Symbiotic association of
fungi with plant roots
B. Parasite (ii) Decomposition of dead
organic materials
C. Lichens (iii)Living on living plants
or animals
D. Mycorrhiza (iv)Symbiotic association of
algae and fungi
Choose the correct answer from the options
given below.
(A) (B) (C) (D)
(a) (ii) (iii) (iv) (i)
(b) (i) (ii) (iii) (iv)
(c) (iii) (ii) (i) (iv)
(d) (ii) (i) (iii) (iv)
Q.21 Which of the following statements is correct
for archaea?
(a) Archaea resemble eukaryotes in all respects.
(b) Archaea have some novel features that are
absent in other prokaryotes and eukaryotes.
(c) Archaea completely differ from both
prokaryotes and eukaryotes.
(d) Archaea completely differ from prokaryotes.
Q.22 Which of the following statements is not
correct for methanogens?
(a) They are archaebacteria.
(b) They live in marshy areas.
(c) Methane is their preferred carbon source.
(d) They are present in guts of several ruminant
animals (cow, buffaloes) and produce biogas
(CH
4
) from the dung of these animals.
Q.23 Plasmogamy is fusion of
(a) Two haploid cells including their nuclei
(b) Two haploid cells without nuclear fusion
(c) Sperm and egg
(d) Sperm and two polar nuclei
Q.24 Which of the following statement is/ are
correct for bacteria?
(a) They are the members of the kingdom monera.
(b) They live in extreme habitats such as hot
springs, deserts, snow and deep oceans.
(c) They show the most extensive metabolic diversity .
(d) All of the above
Q.25 Which of the following statements is a
characteristic feature of chrysophytes?
(a) They are parasitic forms which cause
diseases in animals.
(b) They have a protein rich layer called pellicle.
(c) They have indestructible cell wall layer
deposited with silica.
(d) They are commonly called dinoflagellates.
Q.26 Which of the following statements is correct
for dinoflagellates flagella ?
(a) A single flagellum lies in the transverse groove
between the cell plates.
(b) A single flagellum lies in the longitudinal
groove between the cell plates.
(c) Two flagella, one lies longitudinally and the other
transversely in a furrow between the wall plates.
(d) Flagella are absent.
Q.27 T. O. Diener discovered a new infectious
agent that was smaller than viruses and have
the following characteristics.
(i) It causes potato spindle tuber disease.
(ii) It has free RNA.
(iii) Molecular weight of RNA is low.
Identify the infections agent.
(a) Viruses (b) Viroids
(c) Virion (d) Mycoplasma
Q.28 Consider the following statements with
respect to characteristic features of the
kingdom.
(i) In animalia, the mode of nutrition is
autotrophic.
(ii) In monera, the nuclear membrane is present.
(iii) In protista, the cell type is prokaryotic.
(iv) In plantae, the cell wall is present.
Of the above statements, which one is correct ?
(a) (i) only (b) (ii) only
(c) (iii) only (d) (iv) only
Q.29 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’.
(a) Dinoflagellates (b) Chrysophytes
(c) Euglenoids (d) Slime moulds
Q.30 Which of the following class of fungi is being
described by the given statements ?
(i) They are found in aquatic habitats and on
decaying wood in moist and damp places.
(ii) Mycelium is aseptate and coenocytic.
(iii) Asexual reproduction takes place by zoospores
(motile) or by aplanospores (non-motile).
(iv) Some common examples are Mucor, Rhizopus
and Albugo.
(a) Ascomycetes (b) Phycomycetes
(c) Basidiomycetes (d) Deuteromycetes
Q.31 In eubacteria, a cellular component that
resembles eukaryotic cell is
(a) Plasma membrane (b) Nucleus
(c) Ribosomes (d) Cell wall
Q.32 Some hyperthermophilic organisms that
grow in highly acidic (pH 2) habitats belong
to the two groups
(a) Eubacteria and archaea
(b) Cyanobacteria and diatoms
(c) Protists and mosses
(d) Liverworts and yeasts
Q.33 Select the correct combination of the
statements (i-iv) regarding the characteristics
of certain organisms.
(i) Methanogens are archaebacteria which
produce methane in marshy areas.
(ii) Nostoc is a filamentous blue-green alga
which fixes atmospheric nitrogen.
(iii) Chemosynthetic autotrophic bacteria
synthesize by using light energy.
(iv) Mycoplasma lack a cell wall and can
survive without oxygen.
The correct statements are
(a) (ii) and (iii) (b) (i),(ii) and (iii)
(c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)
Q.34 Which of the two kingdoms have similar types
of cells in the six-kingdom classification?
(a) Monera and Protista
(b) Protista and Archea
(c) Archea and animalia
(d) Plantae and animalia
Q.35 In bacteria, plasmid is
(a) Extra chromosomal material
(b) Main DNA
(c) Non functional DNA
(d) Repetitive gene
Q.36 Infoldings of plasma membrane in bacteria
are called?
(a) Episomes (b) Plasmid
(c) Pili (d) Mesosomes
Q.37 What is true for archaebacteria?
(a) All halophiles (b) All photosynthetics
(c) All fossils (d) Oldest living beings
Q.38 Difference in Gram positive and Gram
negative bacteria is due to
(a) Cell wall (b) Cell membrane
(c) Ribosome (d) Cytoplasm
Q.39 Nucleoid is _______
(a) Virus
(b) New types of micro organism
(c) Extra chromosomal genetic material of bacteria
(d) Essential bacterial genetic materials
Q.40 The mode of the nutrition of bacteria is usually
(a) Photo autotrophic (b) Chemo autotrophic
(c) Heterotrophic (d) None
Q.41 Mad cow disease in cattle is caused by an
organism which has
(a) Inert crystalline structure
(b) Abnormally folded protein
(c) Free RNA without protein coat
(d) Free DNA without protein coat.
Q.42 Which of the following statements is incorrect?
(a) Prions consist of abnormally folded proteins.
(b) Viroids lack a protein coat.
(c) Viruses are obligate parasites.
(d) Infective constituent in viruses is the protein coat.
Q.43 How many characters for lichens are correct
from given characters ?
(i) Lichens are symbiotic associations.
(ii) It is a associations between algae and fungi.
(iii) The algal component is known as mycobiont.
(iv) Fungal component as phycobiont.
(v) Lichens are very good pollution indicators.
(a) One (b) Two
(c) Three (d) Four
Q.44 Which of the following statements is wrong
for viroids?
(a) They cause infections.
(b) Their RNA is of high molecular weight.
(c) They lack a protein coat.
(d) They are smaller than viruses.
Q.45 Select the wrong statement.
(a) The term ‘contagium vivum fluidum’ was
coined by M. W. Beijerinck.
(b) Mosaic disease in tobacco and AIDS in
human being are caused by viruses.
(c) The viroids were discovered by D.J. Ivanowsky.
(d) W.M. Stanley showed that viruses could be
crystallised.
Q.46 In the following, organisms and related
characteristics are given, select the match
that is not correct–
(a) Euglenoids – Fresh water organisms
found in stagnant water
(b) Slime moulds – Under unfavourable conditions,
they form an aggregation
called plasmodium
(c) Mycoplasma – They can survive without
oxygen
(d) Diatoms – Float passively in water
current
Q.47 Viruses have
(a) Nucleic acid enclosed in a protein coat
(b) Prokaryotic nucleus
(c) Single chromosome
(d) Only DNA as genetic material
Q.48 Which statement is wrong for viruses?
(a) All are parasites.
(b) All of them have helical symmetry.
(c) They have ability to synthesize nucleic acids
and proteins.
(d) Antibiotics have no effect on them.
Q.49 Which one single organism or the pair of
organisms is correctly assigned to its or
their named taxonomic group?
(a) Paramecium and Plasmodium belong to the
same kingdom as that of Penicillium.
(b) Lichen is a composite organism formed from
the symbiotic association of an algae and a
protozoan.
(c) Y east used in making bread and beer is a fungus.
(d) Nostoc and Anabaena are examples of protista.
Q.50 Virus envelope is known as
(a) Capsid
(b) Virion
(c) Nucleoprotein
(d) Core
Q.51 Assertion : Body of fungi consist of long, slender
thread-like structures called hyphae.
Reason : The cell wall of fungi are composed of
chitin (polysaccharides).
(a) Assertion and reason both are true and the
reason is correct explanation of assertion.
(b) Assertion and reason both are true but
reason is not correct explanation of assertion.
(c) Assertion is true but reason is wrong.
(d) Assertion and reason both are wrong.
Q.52 Assertion : Agaricus (mushroom), Ustilago
(smut) and Puccinia (rust fungus) are the
members of ascomycetes.
Reason : In ascomycetes mycelium is branched
and septate. The asexual spores are conidia
which produced exogenously on the special
mycelium called conidiophores.
(a) Assertion and reason both are true and the
reason is correct explanation of assertion.
(b) Assertion and reason both are true but
reason is not correct explanation of assertion.
(c) Assertion is true but reason is wrong.
(d) Assertion and reason both are wrong.
Q.53 Five kingdom system of classification
suggested by R.H. Whittaker is based on
(a) Presence or absence of a well defined nucleus
(b) Mode of nutrition
(c) Complexity of body organisation
(d) All of the above
Q.54 Maximum nutritional diversity is found in
the group
(a) Fungi (b) Animalia
(c) Monera (d) Plantae.
Q.55 In the five kingdom classification, Chlamydomonas
and Chlorella have been included in
(a) Protista (b) Algae
(c) Plantae (d) Monera
Q.56 In which kingdom would you classify the
archaea and nitrogen-fixing organisms, if the
five kingdom system of classification is used ?
(a) Plantae (b) Fungi
(c) Protista (d) Monera
Q.57 How many kingdoms were assigned to
prokaryotes in Whittaker’s classification?
(a) One (b) Two
(c) Three (d) Four
Q.58 Protists are
(a) Single-celled eukaryotes.
(b) Multicellular eukaryotes.
(c) Single-celled prokaryotes.
(d) Single-celled akaryote.
Q.59 BGA (blue green algae) are included in which
of the following groups?
(a) Eukaryotes (b) Prokaryotes
(c) Protista (d) Fungi
Q.60 How many kingdoms were given to
eukaryotes in five kingdom classification?
(a) Two (b) One
(c) Four (d) Five
Q.61 Match the organisms in column-I with
habitats in column-II.
Column-I Column-II
A. Halophiles (i) Hot springs
B. Thermoacidophiles (ii) Aquatic
environment
C. Methanogens (iii) Guts of ruminants
D. Cyanobacteria (iv) Salty area
Select the correct answer from the options
given below.
(a) A-(iv), B-(i), C-(iii), D-(ii)
(b) A-(i), B-(ii), C-(iii), D-(iv)
(c) A-(iii), B-(iv), C-(ii), D-(i)
(d) A-(ii), B-(iv), C-(iii), D-(i)
Q.62 Which of the following are found in extreme
saline conditions?
(a) Eubacteria (b) Cyanobacteria
(c) Mycobacteria (d) Archaebacteria
Q.63 The digestive tracts of ruminants contain: -
(a) Halophilic bacteria
(b) Methanogens
(c) Thermoacidophile bacteria
(d) Mycoplasma
Q.64 After karyogamy followed by meiosis, spores
are produced exogenously in
(a) Neurospora (b) Alternaria
(c) Agaricus (d) Saccharomyces
Q.65 Which one of the following is wrong for fungi?
(a) They are eukaryotic.
(b) All fungi possess a purely cellulosic cell wall.
(c) They are heterotrophic.
(d) They are both unicellular and multicellular.
Q.66 Which one of the following statements is
wrong?
(a) Eubacteria are also called false bacteria.
(b) Phycomycetes are also called algal fungi.
(c) Cyanobacteria are also called blue-green algae.
(d) Golden algae are also called desmids.
Q.67 One of the major components of cell wall of
most fungi is
(a) Cellulose (b) Hemicellulose
(c) Chitin (d) Peptidoglycan
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