Biological classification .pdf

Avanti - Chapter Test - Biological Classification - Set A
Page - 1 / 7
Avanti Learning Centres Pvt Ltd. All rights reserved.
Set A
Test Code: JS-B-16-22
INSTRUCTIONS
1. This paper has 40 questions.
2. Each question has four options, out of which ONLY ONE is correct.
3. Each question carries 4 marks.
4. The paper carries negative marking. 1 marks will be deducted for each wrong answer.
Maximum Time: 45 Minutes Total Marks: 160
Name:_____________________________ Roll Number:__________________
SECTION I-BIOLOGY
What is true for archaebacteria?
A) All archaebacteria are halophiles. B) All archaebacteria are photosynthetic.
C) All archaebacteria are dead fossils. D) Archeabacteria are oldest living beings.
Mycorrhiza represents _________.
A) antagonism B) endemism
C) symbiosis D) parasitism
Escherichia coli is used extensively in biological research as it is
A) easily cultured. B) easily available.
C) easy to handle. D) easily multiplied in host.
Shell of Diatom is made up of _______.
A) B) silica
C) magnesium carbonate D) calcium phosphate
Whittaker is famous for
A) two kingdom classification. B) four kingdom classification.
C) five kingdom classification. D) distinguishing in bacteria and blue green
algae.
Q1.
Q2.
Q3.
Q4.
Q5.

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Fill in the blanks and choose the correct option.
i. Mycelium is coenocytic and aseptate in class (i) .
ii. (ii) undergoes rapid multiplication and causes red tide
iii. Sleeping sickness is caused by (iii) protozoan.
iv. The protein coat of virus consist of small subunits called (iv).
A) i - Ascomycetes; ii - Cyanobacterium; iii
- Flagellated; iv - Peplomeres
B) i - Phycomycetes; ii - Gonyaulax; iii
- Flagellated; iv - Capsomeres
C) i - Basidiomycetes; ii - Chrysophyte; iii
- Amoeboid; iv - Capsomeres
D) i - Deuteromycetes; ii - Euglenoid; iii
- Cilliated; iv - Cilliated
Loss of water in liquid phase from the margin of leaves in many herbaceous plants is/occurs
A) Guttation B) Transpiration
C) At noon D) Due to cohesion-tension model of
water movement
Mark the incorrect statement w.r.t. two kingdom classification
A) Unicellular organisms were not separated
from multicellular organisms
B) Organisms having incipient nucleus were
not separated from organisms having well-
defined nucleus
C) Thalloid plants were separated from
spermatophytes
D) Autotrophic plants were placed along with
fungi in the same kingdom
Archaebacteria differ from eubacteria in
A) cell membrane structure B) mode of nutrition
C) cell shape D) mode of reproduction.
Black rust of wheat is caused by
A) Puccinia B) Ustilago
C) Albugo D) Phytophthora.
Which one of the following is true for fungi?
A) They lack a rigid cell wall. B) They are heterotrophs.
C) They lack nuclear membrane. D) They are phagotrophs.
The tailed bacteriophages are
A) motile on surface of bacteria B) non-motile
C) motile on surface of plant leaves D) actively motile in water.
Plant decomposer are
A) monera and fungi. B) fungi and plants.
C) protista and animalia. D) animalia and monera.
Decomposers are organisms that
A) elaborate chemical substances, causing
death of tissues.
B) operate in living body and simplifying
organic substances of cells step by step.
C) attack and kill plants as well as animals. D) operate in relay terms, simplifying step by
step the organic constituents of dead
body.
Q6.
Q7.
Q8.
Q9.
Q10.
Q11.
Q12.
Q13.
Q14.

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Which one of the following statements about viruses is correct?
A) Viruses possess their own metabolic
system.
B) Viruses contain either DNA or RNA.
C) Viruses are facultative parasites. D) Viruses are readily killed by antibiotics.
Fungal spores produced asexually at the tips of hyphae are called ________.
A) oospores B) arthrospores
C) conidiophores D) meiospores
Choose the correct names of the different bacteria according to their shapes.
I.
II.
III.
IV.
A) I- Cocci, II- Bacilli, III- Spirilla, IV- Vibrio B) I- Bacilli, II- Cocci, III- Spirilla, IV- Vibrio
C) I- Spirilla, II- Bacilli, III- Cocci, IV- Vibrio D) I-Spirilla, II- Vibrio, III- Cocci, IV- Bacilli
Which of the following characteristic(s) were used by Whittaker for the classification of
organisms?
A) Mode of nutrition B) Thallus organisation
C) Phylogenetic relationships D) All of the above
In the five kingdom system of classification, which single kingdom out of the following can include
blue-green algae, nitrogen fixing bacteria and methanogenic archaebacteria?
A) Monera B) Fungi
C) Plantae D) Protista
Q15.
Q16.
Q17.
Q18.
Q19.

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Choose the correct statements (i - v) regarding Mycoplasma
i. Mycoplasma has no cell wall.
ii. Mycoplasma is the smallest living organism.
iii. Mycoplasma cannot survive without .
iv. Mycoplasma are pathogenic in animals and plants.
v. A sort of sexual reproduction occurs in bacterium by adapting a primitive DNA transfer
from one bacterium to the other.
A) Only (iii) B) (i), (iii), and (v)
C) (i), (ii), (iv), and (v) D) all of the above
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
Match column-I (Characters/feature) with column-II (examples) and choose the correct option.
Column-I
(Characters/features)
Column-II
(Examples)
a. Red dinoflagellates i. Rhizopus
b. Unicellular fungi used to make bread and beer ii. Gonyaulax
c. Source of antibiotics iii. Yeast
d. Bread mould iv. Penicillium
A) a - iii, b - ii, c - i, d - iv B) a - ii, b - iii, c - i, d - iv
C) a - ii, b - iii, c - iv, d - I D) a - ii, b - iv, c - iii, d - i
The given figure shows some labelled structure as A, B, C and D. In which structure
the protein coat that encloses the nucleic acid is present ?
A) A - Protein coat B) B - Collar
C) C - Sheath D) D - Tail fibres
A scientist 'X' demonstrated that extract of infected plants of 'Y' could cause infection in healthy
plants and called the fluid as "Contagium vivum fluidum".
Identify X and Y.
A) X - W
. M. Stanley; Y - Potato B) X - M. W
. Beijerinek; Y - Tobacco
C) X - D. J. Ivanowsky; Y - Cauliflower D) X - Pasteur; Y - Tomato
Q20.
Q21.
Q22.
Q23.
Q24.

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Following are the differences between prokaryotic flagella and eukaryotic flagella.
Prokaryotic flagella Eukaryotic flagella
I. A covering membranous
sheath is absent.
I. Flagella are covered by sheath derived
from plasmalemma.
II. There are two parts basal
body and shaft.
II. Each flagellum has three parts-basal body,
hook and filament.
III. Basal body bears rootlets. III. Basal body bears rings.
IV. They are formed of protein
flagellin.
IV. The strands are formed of protein tubulin.
Which of the following statements are incorrect?
A) II and III B) I and III
C) II and IV D) I, III and IV
Consider the following statement(s).
I. Fungi show great diversity in morphology and habitat
II. White rust fungus is facultative parasite on mustard leaf
III. The cell walls of algal fungi are composed of chitin mainly
A) All are correct B) Both I and II are correct
C) Both II and III are incorrect D) Only III is incorrect
Genetic material is only double stranded DNA in
A) Phytophagineae B) Zoophagineae
C) - phage D) -phage
Read the given statements that describe certain infectious particle.
I. It is a free RNA particle that lacks protein coat.
II. It is smallest self-replicating particle which was discovered by Diener.
III. It causes potato spindle tuber disease.
IV. It has low molecular weight RNA as genetic material.
Which of the following is referred here ?
A) Virus B) Viroid
C) Virion D) Bacteriophage
Identify the genetic material in given figures and
A) X ssRNA; Y dsDNA B) X ssDNA; Y dsRNA
C) X ssDNA; Y ssRNA D) X dsDNA; Y dsRNA
Q25.
Q26.
Q27.
Q28.
Q29.

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Match column I with column II and select the correct option from the codes given below.
Column I Column II
P. Loose smut of wheat I. Helminthosporium
Q. Brown spot of rice II. Ustilago
R. Early blight of potato III. Cercospora
S. Leaf spot in groundnut IV. Alternaria
A) P III; Q IV; R II; S I B) P II; Q IV; R I; S III
C) P I; Q III; R II; S IV D) P II; Q I; R IV; S III
Yeast is divided under the class ______.
A) basidiomycetes B) deuteromycetes
C) ascomycetes D) zygomycetes
Choose the wrong statement.
A) Morels and truffles are poisonous
mushrooms.
B) Yeast is unicellular and useful in
fermentation.
C) Penicillium is multicellular and produces
antibiotics.
D) Neurospora is used in the study of
biochemical genetics.
Cellulosic cell wall is present in vegetative stage of how many organisms mentioned below?
Physarum, Gymnodinium, Euglena, Dictyostelium, Gonyaulax, Physarella
A) Four B) Three
C) Five D) Two
Tips of fungal hyphae pass into cortical cells of roots producing swollen vesicles or finely
branched masses called arbuscules in
A) Ectotrophic mycorrhiza B) Hartig net forming mycorrhiza
C) Endomycorrhiza D) More than one option is correct
How many statement are correct for acellular slime moulds?
i. Non-flagellate, wall-less and multinucleate haploid vegetative stage
ii. Motile gametes may be formed
iii. Isogamous sexual reproduction
iv. Zygotic meiosis
v. Resistant spore possessing cellulosic wall
A) Two B) Three
C) Four D) All
Q30.
Q31.
Q32.
Q33.
Q34.
Q35.

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Match the organisms in column-I with habitats in column-II. Column-I Column-II
Column I Column II
A. Halophiles P. Hot springs
B. Thermoacidophiles Q. Aquatic environment
C. Methanogens R. Guts of ruminants
D. Cyanobacteria S. Salty area
Select the correct answer from the options given below.
A) A-(S), B-(P), C-(R), D-(Q) B) A-(P), B-(Q), C-(R), D-(S)
C) A-(R), B-(S), C-(Q), D-(P) D) A-(Q), B-(S), C-(R), D-(P)
Thermococcus, Methanococcus and Methano- bacterium 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.
In the light of recent classification of living organisms into three domains of life (bacteria, archaea
and eukarya), which one of the following statements is true about archaea?
A) Archaea completely differ from both
prokaryotes and eukaryotes.
B) Archaea completely differ from
prokaryotes.
C) Archaea resemble eukarya in all respects. D) Archaea have some novel features that are
absent in other prokaryotes and
eukaryotes.
All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia
are correct except that Frankia
A) can induce root nodules on many plant
species
B) can fix nitrogen in the free-living state
C) cannot fix specialized vesicles in which the
nitrogenase is protected from oxygen by a
chemical barrier involving triterpene
hopanoids.
D) like Rhizobium, it usually infects its host
plant through root hair deformation and
stimulates cell proliferation in the host’s
cortex.
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 cellulose from glucose. (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)
Q36.
Q37.
Q38.
Q39.
Q40.

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