Which of the following is correct about viroids? [NEET 2020]
22%
a) They have DNA with protein coat
26%
b) They have free DNA without protein coat
25%
c) They have RNA with protein coat
27%
d) They have free RNA without protein coat
Q.2.
Which of the following statements is incorrect? [NEET 2019]
32%
a) Viroids lack a protein coat.
20%
b) Viruses are obligate parasites.
32%
c) Infective constituent in viruses is the protein coat.
16%
d) Prions consist of abnormally folded proteins.
Q.3.
Which among the following is not a prokaryote ?[NEET 2018]
21%
a) Nostoc
23%
b) Mycobacterium
38%
c) Saccharomyces
17%
d) Oscillatoria
Q.4.
Match the following diseases with the causative organism and select the correct option. [NEET 2020]
Column-I
Column-II
(a) Typhoid
(i) Wuchereria
(b) Pneumonia
(ii) Plasmodium
(c) Filariasis
(iii) Salmonella
(d) Malaria
(iv) Haemophilus
15%
a) a → ii; b → i; c → iii; d → iv;
18%
b) a → iv; b → i; c → ii; d → iii;
18%
c) a → i; b → iii; c → ii; d → iv;
49%
d) a → iii; b → iv; c → i; d → ii;
Q.5.
Prokaryotic flagellum consists of … .. [ AFMC 2004]
23%
a) Fiber enclosed by protein membrane
18%
b) Fiber enclosed by unit membrane
24%
c) Helically arranged protein molecules
35%
d) Membrane enclosed 9+2 microtubular
Q.6.
Hans Ris coined the term genophore for … [ MPPMT 2007]
22%
a) Genetic material of virus
28%
b) Genetic material of fungus
32%
c) Bacterial chromosome
17%
d) Stalk supporting spores
Q.7.
Nitrogen fixing organism which can be free as well as symbiotic is … … [ BHU 1990]
42%
a) Anabaena
28%
b) Azotobacter
21%
c) Liverworts
9%
d) Mosses
Q.8.
Smallest organisms, self reproducing in the living state are … [ BHU 2012]
24%
a) Bacteria
51%
b) PPLO
13%
c) Prions
12%
d) Viruses
Q.9.
Genetic material of retroviruses is … .. [ MPPMT 2007]
15%
a) DNA
41%
b) RNA
25%
c) DNA and RNA
19%
d) Nucleoprotein complexes
Q.10.
Milk bacterium is … [MPPMT 2011]
5%
a) Acetobacter
6%
b) Diplococcus
86%
c) Lactobacillus
3%
d) Strptobacillus
Q.11.
System of classification that employs numerical data to evaluate similarities and differences is known as… [ [ HPPMT 2007]
23%
a) Cytotaxonomy
28%
b) Biosystematics
38%
c) Phenetics
11%
d) Chemotaxonomy
Q.12.
Kingdom monera includes …[ AMU 2001]
53%
a) Prokaryotes only
13%
b) Eukaryotes only
30%
c) Both a and b
4%
d) Mesokaryotes only
Q.13.
Potato leaf roll or leaf curl of Papaya are caused by … .. [ MPPMT 2002]
22%
a) Fungi
47%
b) Viruses
17%
c) Bacteria
15%
d) Nematodes
Q.14.
System of classificationused by Linnaeus was … .. [ MPPMT 1996]
24%
a) Natural system
45%
b) Artificial system
23%
c) Phylogenetic system
8%
d) Experimental taxonomy
Q.15.
Blue-green algae are …
11%
a) Eubacteria
71%
b) Cyanobacteria
9%
c) Actinomycetes
9%
d) Archaebacteria
Q.16.
Type of genetic material found in bacteria is … [ BHU 2002]
33%
a) RNA bound to protein
44%
b) DNA bound to protein
21%
c) DNA not bound to protein
2%
d) RNA not bound to protein
Q.17.
Halophiles grow in concentrated salt solution due to … .. [ JIPMER 1999]
19%
a) Bacteriorhodopsin
34%
b) Branched hydrocarbon chain phospholipids
27%
c) Active absorption
20%
d) Accumulation of KCl
Q.18.
Shape of cocci bacteria is … [ AMU 2012]
15%
a) Rod-shaped
25%
b) Comma-shaped
23%
c) Spiral
38%
d) Spherical
Q.19.
A scientist having made significant contribution in the field of classification is …..[CPMT 1990]
15%
a) Pasteur
11%
b) Oparin
19%
c) Darwin
56%
d) Linnaeus
Q.20.
Which structure are found in mycoplasmas, spirochaetae and rickettsias … [ MPPMT 2011]
12%
a) DNA
9%
b) RNA
27%
c) Ribosomes
52%
d) All the above
Q.21.
Huxley’s New system is also called … .. [ kerala 2008]
19%
a) Chemotaxonomy
23%
b) Numerical taxonomy
24%
c) Biosystematics
34%
d) Phenetics
Q.22.
R-gene present on plasmid is meant for … [ AMU 2001]
24%
a) Drug resistance
27%
b) Nitrogen fixation
14%
c) Locomotion
35%
d) Exchange of genetic material
Q.23.
Virus with nucleic acid but without protein coat is … .. [ DPMT 2003]
18%
a) Virion
56%
b) Viroid
14%
c) Capsid
12%
d) Prion
Q.24.
Sexual reproduction in eubacteria takes place by …[ ASMC 2012]
13%
a) Transformation
16%
b) Transduction
22%
c) Conjugation
49%
d) All the above
Q.25.
The smallest organisms which cause diseases among plants are … [ MPPMT 1995]
27%
a) Viruses
14%
b) Fungi
5%
c) Bacteria
53%
d) Mycoplasma
Q.26.
Where from are most antibiotic extracted …. [ AFMC 2003]
16%
a) Algae
28%
b) Fungi
43%
c) Bacteria
13%
d) Plants
Q.27.
Maximum number of antibiotics got from any group is .,…. .. [ AIIMS 1997]
25%
a) Actinomycetes
27%
b) Fungi
42%
c) Eubacteria
6%
d) Viruses
Q.28.
Maximum nutritional diversity is found in … [ CBSE 2012]
19%
a) Fungi
38%
b) Monera
35%
c) plantae
9%
d) Animalia
Q.29.
Which is wall-less and smallest living cell …[ HPPMT 2012]
9%
a) Algae
19%
b) Bacteriophage
13%
c) Cyanobacteria
59%
d) Mycoplasma
Q.30.
Metachromatic granules are … .. [ DPMT 2011]
11%
a) Chromatophores in skin
25%
b) Products of insect metamorphosis
43%
c) Inclusion bodies in bacteria
21%
d) Found in metaphase
Q.31.
Phylogenetic system of classification is based on … .. [ CBSE 2009]
21%
a) Morphological features
19%
b) Chemical constituents
49%
c) Evolutionary relationships
12%
d) Floral characters
Q.32.
Cyanobacteria/Nostoc is … .. [ CBSE 2001]
46%
a) Oxygenic with nitrogenase
21%
b) Oxygenic without nitrogenase
27%
c) Non-oxygenic with nitrogenase
6%
d) Non-oxygenic without nitrogenase
Q.33.
Genetic material of virus is … ..
24%
a) DNA
32%
b) RNA
40%
c) DNA or RNA but not both
4%
d) None of the above
Q.34.
Archaebacteria live in harsh habitat like … [ HPPMT 2011]
13%
a) Extreme salty area
5%
b) Hot springs
17%
c) Marshy areas
65%
d) All the above
Q.35.
HIV is a retrovirus because its genetic information is carried in … .. [ DPMT 2009]
14%
a) DNA instead of RNA
20%
b)DNA
48%
c) RNA instead of DNA
18%
d) Protein coat
Q.36.
What is the disease Tetanus also known as … [ BHU 2005]
16%
a) Gangrene
13%
b) Shingles
47%
c) Lockjaw
24%
d) Whooping cough
Q.37.
Hydrogen donor in photosynthesis of purple sulphur bacteria is … .. [ MPPMT 1990]
43%
a) H2S
13%
b) H2O
19%
c) NH3
26%
d) H2SO3
Q.38.
isms called methanogens are most abundant in … gneetStudy Companion For more NEET and AIIMS mcq on BIOLOGICAL CLASSIFICATION( Viruses, Viroids, Prions and Kingdome Monera) Q38) Organisms called methanogens are most abundant in … [ CBSE 2011]
18%
a) Polluted stream
48%
b) Cattle yard
15%
c) Sulphur rock
18%
d) Hot spring
Q.39.
Largest population of organism of any type on earth is of … .. [ AMU 2009]
41%
a) Insects
7%
b) Algae
40%
c) Bacteria
12%
d) Fungi
Q.40.
In eubacteria, a cellular component that resembles eukaryotic cell is … [ CBSE 2011]
16%
a) Ribosome
21%
b) Cell wall
39%
c) Plasma membrane
23%
d) Nucleus
Q.41.
The term biosystematics was coined by … [ MPPMT 2010]
38%
a) Linnaeus
16%
b) Engler and Prantl
22%
c) Camp and Gilly
24%
d) Bentham and Hooker
Q.42.
A bacterial disease is … .. [ CET Chd. 2002]
47%
a) Tetanus
12%
b) Polio
23%
c) Filaria
18%
d) Malaria
Q.43.
Assertion : Severe Acute Respiratory Syndrome (SARS) originated in China Reason: China is the most populated country of the world
20%
a) Both are true with reason being correct explanation
56%
b) Both are true but reason not correct explanation
10%
c) Assertion is true but reason is wrong
14%
d) Both are wrong
Q.44.
A peculiar odour found in marshy areas and cow sheds is of gas produced by ,,, [ DPMT 2011]
47%
a) Archaebacteria
15%
b) Cyanobacteria
23%
c) Slime Mould
15%
d) Mycoplasma
Q.45.
Which one is found in alimentary canal of humans? [ RPMT 1995]
12%
a) Pseudomonas
16%
b) Rhizobium
33%
c) Bacillus
40%
d) Escherichia coli
Q.46.
Disease pneumonia is due to … .. [ MPPMT 2000 ]
21%
a) Virus
48%
b) Bacterium
12%
c) Cyanobacterium
19%
d) Protozoan
Q.47.
Diaminopimelic acid and muramic acid occur in the wall of … … [ MPPMT 1992]
29%
a) Bacteria
11%
b) Fungi
34%
c) Brown algae
27%
d) Higher plants
Q.48.
Mitotic stages are not observed in … [ KCET 2011]
24%
a) Saccharomyces
49%
b) E.coli
22%
c) Cosmarium
4%
d) Chlorella
Q.49.
Which one is included under prokaryotes? [ RPMT 1996]
25%
a) Mycoplasma
18%
b) Algae
9%
c) Ulothrix
47%
d) Mycoplasma and Blue –Green Algae
Q.50.
Which of the following is true for Nostoc … [ KCET 2012]
17%
a) Algae
17%
b) Bacteriophage
52%
c) Cyanobacteria
14%
d) Mycoplasma
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