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(b.
linear chains β of alternating NAG and NAM linked by (1 – 4) linkage.
(b
(c
(d
(e
Q1.
Which one of the
following organisms is not an eukaryotye? [AIPMT Prelims 2011]
(a.
Paramecium caudatum
(b.
Escherichia coli
(c.
Euglena viridis
(d.
Amoeba proteus
Q2.
Which one single organism
or the pair of organism is correctly assigned to its or their named taxonomic group? [AIPMT Prelims 2012]
(a.
Paramecium ans 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.
Yeast used in making bread and beer is
a fungus
(d.
Nostoc and Anabaena are examples of
protista
Q3.
In the five kingdom
classification, Chlamydomonas and Chlorella have included in[AIPMT (M) 2012]
(a.
Protista
(b.
Algae
(c.
Plantae
(d.
Monera
Q4.
Which statement is wrong for viruses? [AIPMT Prelims 2012]
(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
Q5.
Maximum nutritional
diversity is found in the group [AIPMT
Prelims 2012]
(a.
Fungi
(b.
Animalia
(c.
Monera
(d.
Plantae
Q6.
Nuclear membrane is
absent in [AIPMT Prelims 2012]
(a.
Penicillium
(b.
Agaricus
(c.
Volvox
(d.
Nostoc
Q7.
The cyanobacteria are
also referred to as [AIPMT Prelims 2012]
(a.
Protists
(b.
Golden algae
(c.
Slime moulds
(d.
Blue green algae
Q8.
The most abundant
prokaryotes helpful to humans in making curd from milk and in production of
antibiotics are the ones categorized as [AIPMT Prelims 2012]
(a.
Cyanobacteria
(b.
Archaebacteria
(c.
Chemosynthetic autotrophs
(d.
Heterotrophic bacteria
Q9.
Pigment containing
membranous extensions in some
Cyanobacteria are[NEET 2013]
(a.
Pneumatophores
(b.
Chromatophores
(c.
Heterocysts
(d.
Basal bodies
Q10. Which of the following are likely to be
present in deep sea water [NEET 2013]
(a.
Blue green algae
(b.
Saprophytic fungi
(c.
Archaebacteria
(d.
Eubacteria
Q11. Which of the following is correctly
matched without exception in regard to plant classification? [ AIIMS 2013]
(a.
Family - Poaceae – ae
(b.
Division - Pteridophyta
– phyta
(c.
Class -
Bryopsida – sida
(d.
Genus - Solanum
- um
Q12. Five kingdom system of classification
suggested by R.H.Whittaker is not based on[AIPMT 2014]
(a.
Presence or absence of a well defined
nucleus
(b.
Mode of reproduction
(c.
Mode of nutrition
(d.
Complexity of body organization
Q13. Archaebacteria differ from eubacteria
in [AIPMT
2014]
(a.
Cell membrane structure
(b.
Mode of nutrition
(c.
Cell shape
(d.
Mode of reproduction
Q14. Anoxygenic photosynthesis is
characteristic of [AIPMT 2014]
(a.
Rhodospirillum
(b.
Spirogyra
(c.
Chalamydomonas
(d.
Ulva
Q15. Which of the following shows coiled RNA
strand and capsomers? [AIPMT 2014]
(a.
Polio virus
(b.
Tobacco Mosaic Virus
(c.
Measles virus
(d.
Retrovirus
Q16.. Viruses have [ AIPMT 2014]
(a.
DNA enclosed in a protein coat
(b.
Prokaryotic nucleus
(c.
Single chromosome
(d.
Both DNA and RNA
Q17. Which structure perform the function of
mitochondria inbacteria? [AIPMT 2014]
(a.
Nucleoid
(b.
Ribosomes
(c.
Cell wall
(d.
Mesosomes
Q18. The motile bacteria are able to move by
[AIPMT
2014]
(a.
Fimbriae
(b.
Flagella
(c.
Cilia
(d.
Pili
Q19. True nucleus is absent in [
AIPMT 2015, cancelled]
(a.
Vaucheria
(b.
Volvox
(c.
Anabaena
(d.
Mucor
Q20. Which one of the following matches is
correct? [ AIPMT 2015,
cancelled ]
a
|
(Mucor
|
Reproduction by conjucation
|
Ascomycetes
|
b
|
( Agaricus
|
Parasitic fungus
|
Basidiomycetes
|
c
|
( Phytophthora
|
Aseptate mycelium
|
Basidiomycetes
|
d
|
(Alternaria
|
Sexual reproduction absent
|
Deuteromycetes
|
Q21. Which one is a wrong statement? [AIPMT 2015]
(a.
Haploid endosperm is typical feature of
Gymnosperms.
(b.
Brown algae have chlorophyll a and c
and fucoxanthin.
(c.
Archegonia are found in Bryophyta,
Pteridophyta and Gymnosperms.
(d.
Mucor has biflagellate
zoospores.
Q22. The imperfect fungi which are
decomposers of litter and help in mineral cycling belongs to [AIPMT
2015]
(a.
Phycomycetes
(b.
Ascomycetes
(c.
Deuteromycetes
(d.
Basidiomycetes
Q23. The structures that help some bacteria
to attach to rocks and / or host tissues are[AIPMT 2105]
(a.
Mesosomes
(b.
Holdfast
(c.
Rhizoids
(d.
Fimbriae
Q24. Select the wrong statement [AIPMT 2015]
(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 crystallized.
Q25. In which group of organisms the cell
walls form two thin overlapping shells which fit together ? [ AIPMT
2015]
(a.
Dinoflagellates
(b.
Slime moulds
(c.
Chrysophytes
(d.
Euglenoids
Q26. Pick up the wrong statement [AIPMT 2015]
(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 on nutrition
Q27. Choose the wrong statement. [ AIPMT 2015]
(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.
Q28. Cell wall is absent in [AIPMT 2015]
(a.
Mycoplasma
(b.
Nostoc
(c.
Aspergillus
(d.
Funaria
Q29 . The symbiotic relationship of algae
and fungus is found in AIIMS[1997]
((a) lichen
((b) mycorrhiza
((c) pneumatophore
((d) bacteriophage
Q30. The virus that infects bacteria is called AIIMS
[1997]
((a)
cyanophage
((b)
mycophage
((c) bacteriophage
((d) none of these
Q31. Citrus canker is caused by [AIIMS
1997]
((a)
bacterium
((b)
fungus
((c) alga
( (d) virus
Q32. Which of the following is a cyanobacterium ? [AIIMS 1997]
( a.
Nostoc
( b.
Chara
( (c) E. coli
((d) Polysiphonia
Q33. Virus has[AIIMS 1998]
(a.
DNA
(b.
RNA
(c.
both (a) and (b)
(d.
either DNA or RNA
Q34. Hormogonia are vegetative reproductive structure of [AIIMS 1998]
(a.
Spirogyra
(b.
Ulothrix
((c) Oscillatoria
( (d) Yeast
Q35. Which is a unicellular fungus ? [AIIMS 1998]
(a.
Yeast
(b.
E.coli
((c) Nostoc
((d) Albugo
Q36. Bacterial cell wall is made up of [AIIMS
1999]
(a.
xylan
(b.
chitin
((c) cellulose
( (d) murein
Q37. Cell wall is absent in [AIIMS 2000]
(a.
Amoeba
(b.
Chara
((c) yeast
( (d) E. coli
Q38. Which of the following is a fungus? [AIIMS
2000]
(a.
Nostoc
(b.
E. coli
((c) Yeast
((d) Chara
Q39. Powdery mildews of crops are caused by [AIIMS 2001]
(a.
bacteria
(b.
ascomycetes
((c) basidiomycetes
( (d) phycomycetes
Q40. Pullorum disease of poultry is caused by [AIIMS 2001]
(a.
Mycobacterium
( b.
Salmonella
( (c) Clostridium
( (d) Haemophilus
Q41. Viroids have [AIIMS 2003]
(a.
single stranded RNA not enclosed by protein coat.
(b.
single stranded DNA not enclosed by protein coat.
(c.
double stranded DNA enclosed by protein coat.
(d.
double stranded RNA enclosed by protein coat.
Q42. Myxomycetes are [AIIMS 2006]
(a.
saprobes or parasites, having mycelia, asexual reproduction byfragmentation.
(b.
slimy mass of multinucleate protoplasm, having pseudopodia like structures for engulfing food, reproduction through fragmentation or zoospores.
(c.
prokaryotic organisms, cellular or acellular, saprobes or autotrophic, reproduce by binary fission.
(d.
eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by division of haploid individuals, sexual reproduction byfusion of two cells or their nuclei.
Q43. Among rust, smut and mushroom
all the three
[AIIMS 2006]
(a.
are pathogens
(b.
are saprobes
((c) bear ascocarps
((d) bear basidiocarps
Q44. "Fairy r ings" in lawns result from outward,spreading circles of mycelia of mushrooms producing, at their periphery, fruiting bodies called [AIIMS
2009]
(a.
ascocarps
(b.
basidiocarps
((c) sorocarps
( (d) pseudocarps
Q45. Which one of the following statements is correct? [AIIMS 2010]
(a.
Prions are the smallest free-living cells.
(b.
The cell wall of Mycoplasmas is made up of amino sugars.
(c.
Viroids consist of single-stranded RNA molecule.
(d.
Rickettsiae lack cell wall.
Q46. Bacterial cell wall is composed of peptidoglycan, a complex of oligosaccharides and proteins. The oligosaccharide component consist of [AIIMS
2010]
(a.
linear chain α of alternating NAG and NAM linked by (1 – 4) linkage.
(c.
linear chain of glucose
linke β by (1 – 4) linkage.
linear chain of glucose
linke β by (1 – 4) linkage.
Q47. Choose the correct names of the different bacteria according to their shapes. [AIIMS 2013]
(a.
A – Cocci,
B– Bacilli, C – Spirilla, D– Vibrio
(b.
A– Bacilli, B– Cocci, C– Spirilla, D – Vibrio
(c.
A– Spirilla, B– Bacilli, C– Cocci, D – Vibrio
(d.
A– Spirilla, B– Vibrio, C– Cocci, D– Bacilli
Q48. Which pair of the following belongs to Basidiomycetes? [AIIMS 2013]
(a.
Puffballs and Claviceps
(b.
Peziza and Alternaria
(c.
Morchella and mushrooms
(d.
Birds nest fungi and puffballs
Q49. Match column-I with column-II and select the option . [AIIMS 2014]
Column-I Column-II
(Classes of fungi) (Commonname)
A.
Phycomycetes I. Sac fungi
B.
Ascomycetes II. Algal fungi
C.
Basidiomycetes III. Fungi imperfecti
D.
Deuteromycetes IV. Club fungi
The correct combination is –
((a)
A – II; B – I; C – IV; D – III
((b)
A – II; B – IV; C – I; D – III
((c)
A – IV; B – I; C – II; D – III
((d)
A – IV; B – III; C – II; D – I
Q50. Which ofthe following is correct about the slime mould ? [AIIMS 2015]
(i)
Its thalloid body, Plasmodium has pseudopodia for locomotion and engulfing organicmatter.
(ii)
During unfavourable conditions Plasmodium differentiates and produces fruiting bodies, sporangium.
(iii)
Spores posses no true cell wall.
(iv)
They are dispersed by air current.
(v)
Being extremelyresistant, spores survive for many years.
(vi)
Plasmodium can grow upto several feet. Choose the answer from the following options
((a)
(i),(ii), (iv), (v) and (vi)
((b)
(i),(ii) and (iii)
((c)
(i),(ii), (iii) and (vi)
((d)
(ii),(iii) and (vi)
Q51. (i) Green algae occur in fresh water, brackish water, salt water.
(ii)
Habitat of Brown algae-fresh water (rare), brackish water, salt water
(iii)
Some red algae are found in fresh water, mostly occur in salt water, some are in brackish water.
(iv)
Most of the red algae are multicellular.
(v)
Red alga may occur in both well lighted regions close to water-surface and also at great depths in oceans where light penetration is little.
(vi)
Cell wall of red algae consists
of cellulose+ agar.
(vii)
2 – 8, equal and apical flagella
in green algae [AIIMS2015]
((a)
All are correct
((b)
All are false
((c)
(i) and (vi) are correct
((d)
(ii), (iii) and (v) are correct
Q52. Fungi are filamentous with the exception of "X" which is unicellular. Identify X. [AIIMS 2017]
(a.
Yeast
(b.
Albugo
((c) Mucor
( (d) Lichen
Q53. Which of the following statements is not correct for viruses? [AIIMS 2017]
(a.
Viruses are obligate parasites.
(b.
Viruses can multiply only when they are inside the living cells.
(c.
Viruses cannot pass through bacterial filters.
(d.
Viruses are made up of protein and DNAor RNA (never both DNA and RNA).
Q54. Which of the following statements regarding cyanobacteria is incorrect? [AIIMS 2017]
(a.
It is also called blue green algae.
(b.
They are chemosynthetic heterotrophs.
(c.
It forms blooms in polluted
water bodies.
(d.
It is unicellular, colonial or filamentous, marine or terrestrial bacteria.
Directions for (Qs. 55-60) : These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following five responses.
(a)
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b)
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c)
If the Assertion is correct but Reason is incorrect.
(d)
If both the Assertion and Reason are incorrect.
(e)
If
the
Assertion is incorrect but the Reason is correct.
Q55. Assertion: Viruses are not considered organism.
Reason: Viruses are nucleoproteins and lack cell organelle, etc. [AIIMS 1998]
(a(b
(c
(d
(e
Q56. Assertion : Bacteria
have three basic shapes,
Reason : Cocci and Bacilli
may form clusters or chain of a definite length. [AIIMS
2000]
(a
(b
(c
(d
(e
(a
(b
(c
(d
(e
Q57. Assertion : Aflatoxins are produced by
Aspergillus flavus.
Reason : These toxins are useful to mankind.[AIIMS 2000]
(a
(b
(c
(d
(e
(b
(c
(d
(e
Q58. Assertion : Escherichia coli, Shigella sp. and Salmonella sp. are all responsible for diarrhoeal diseases. [AIIMS 2006]
Reason : Dehydration is common to all types of diarrhoeal diseases and adequate supply of fluids and electrolytes should be ensured.
(a
(b
(c
(d
(e
(b
(c
(d
(e
Reason : The outer face of the outer membrane of gram-negative bacteria contains lipopolysaccharides, a part of which is integrated into the membrane
lipids. [AIIMS 2006]
(a
(b
(c
(d
(e
(b
(c
(d
(e
Q60. Assertion : Neurospora
is commonly called water mould.
Reason : It belongs
to basidomycetes fungi.[AIIMS 2007]
(a
(b
(c
(d
(e
(e
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