NEET Biology MCQ - Biological Classification Viruses, Viroids, Prions And Kingdome Monera MCQ - Quiz-3 Solution

Q.1.

One of the following is not eukaryotic … . [ Kerala 2003]

0%
a) Protista
62%
b) Monera
6%
c) Plantate
31%
d) All the above

Explanation

Q.2.

Mycoplasmas are not sensitive to … ..[MPPMT200 ]

27%
a) Penicillin
33%
b) Streptomycin
20%
c) Erythromycin
20%
d) Neomycin

Explanation

Q.3.

Which vitamin is synthesized by bacteria in human gut? … [ JIPMER 2000]

15%
a) A
54%
b) C
15%
c) D
15%
d) E

Explanation

Q.4.

Viroid causes … .. [ MPPMT 2007]

0%
a) Cauliflower mosaic
46%
b) Potato spindle mosaic
46%
c) Tobacco mosaic
8%
d) Tulip yellow mosaic

Explanation

Q.5.

Rod-shaped bacteria are called …. [ HPPMT 2001]

17%
a) Coccus
25%
b) Spirillum
58%
c) Bacillus
0%
d) Actinomyces

Explanation

Q.6.

In photosynthetic bacteria, the pigments occur in … .. [ CBSE 1999 ]

33%
a) Chloroplasts
25%
b) Chromoplasts
25%
c) Chromatophores
17%
d) Leucoplasts

Explanation

Q.7.

Bovine spongiform encephalopathy is a disease caused by prions in … .. [ KCET 2010]

50%
a) Cow
25%
b) Sheep
25%
c) Potato
0%
d) Man

Explanation

Q.8.

Bovine spongiform encephalopathy is a disease caused by prions in … . [ BHU 1994 ]

0%
a) man
9%
b) potato
91%
c) cow
0%
d) sheep

Explanation

Q.9.

The most primitive of monerans are … [ Pb PMT 1999]

0%
a) Rickettsia
18%
b) Actinomycetes
18%
c) Progenote
64%
d) Archaebacteria

Explanation

Q.10.

Photosynthetic pigments of bacteria are located in …

17%
a) Cytoplasm
33%
b) Thylakoid membranes
33%
c) Ribosomes
17%
d) Chloroplast membrane

Explanation

Q.11.

Example of prokaryotic cell is … [ Bih PMT 1996]

17%
a) Green algae
25%
b) Fungi
58%
c) Bacteria
0%
d) Bryophyte

Explanation

Q.12.

Bt gene occurs in … [ Wardha 200]

27%
a) Bacillus thuringiensis
27%
b) Escherichia coli
36%
c) Agrobacterium tumefaciens
9%
d) Rhizobium leguminosarum

Explanation

Q.13.

Which one does not occur in lytic life cycle of virulent DNA phage? … [ Odisha 2008]

0%
a) The host cell lyses
35%
b) New phages are released
53%
c) Host cell produces a number of virions
12%
d) Phage DNA integrates with host DNA

Explanation

Q.14.

A parasite which becomes saprophytic in the absence of host is called … [ RPMT 1998]

25%
a) Obligate parasite
42%
b) Facultative parasite
17%
c) Obligate saprophyte
17%
d) Facultative saprophyte

Explanation

Q.15.

Osmotrophs are … .. [ BHU 1992]

8%
a) Bacteria
8%
b) Fungi
58%
c) Both a and b
25%
d) Algae

Explanation

Q.16.

Cyanobacteria are … [ CPMT 2003]

0%
a) Bacteria using cyanide for nutrition
17%
b) Coloured fungi
67%
c) Algae having blue-green cells
17%
d) Viruses affecting bacterial growth

Explanation

Q.17.

AIDS virus contains … .. [ MPPMT 2009]

45%
a) RNA with protein
0%
b) DNA only
18%
c) DNA with protein
36%
d) DNA without protein

Explanation

Q.18.

One of the following is not characteristic feature of cyanobacteria

18%
a) They form colonies
18%
b) They are multicellular
45%
c) They form blooms in water bodies
18%
d) They can fix atmospheric nitrogen

Explanation

Q.19.

Murein of bacterial cell wall is derivative of …. [ CPMT 1998]

9%
a) Protein
9%
b) Fat and sugar
45%
c) Organic acid and sugar
36%
d) Sugar and amino acids

Explanation

Q.20.

Which one is nitrogen fixer blue green alga? ..

0%
a) Ulothrix
73%
b) Anabaena
18%
c) Ulva
9%
d) Hydrodictyon

Explanation

Q.21.

Which one protect bacteria from enzymes present in the external medium? [ EAMCET 2005]

18%
a) Slime layer
36%
b) S-layer
18%
c) Flagella
27%
d) Cell wall

Explanation

Q.22.

Bacterium associated with legume roots is … .. [ Pb PMT 1999]

36%
a) Rizobium
0%
b) Nostoc
36%
c) Spirogyra
27%
d) Clostridium

Explanation

Q.23.

Identify the correct sequence of event in viral replication: I) Eclipse II) Maturation III) Adsorption IV) Assembly V) Penetration VI) Lysis

0%
a) I → II → III → IV → V → VI
44%
b) II → I → III → IV → V → VI
33%
c) III → V → I → II →I V → VI
22%
d) III → V → I → IV → II → VI

Explanation

Q.24.

Bacteria can prepare food from … [ Har.PMT 2002]

9%
a) NO3
18%
b) N2
27%
c) O2
45%
d) Glycogen

Explanation

Q.25.

A non-photosynthetic aerobic nitrogen fixing soil bacterium in … .. [ BHU 1996]

27%
a) Rhizobium
27%
b) Clostridium
27%
c) Azotobacter
18%
d) Klebsiella

Explanation

Q.26.

Yield of rice is increased by …[ BHU 2008]

0%
a) Clostridium
36%
b) Anabaena
36%
c) Azolla
27%
d) Nostoc

Explanation

Q.27.

The agent which are known to cause CJD are … ..

20%
a) Protein particles
0%
b) A class of bacteria
40%
c) A class of viruses
40%
d) Fungi

Explanation

Q.28.

Polio Virus has … .. [ AFMC 1999]

10%
a) ss DNA
20%
b) ds DNA
60%
c) ss RNA
10%
d) ds RNS

Explanation

Q.29.

Prokaryotic algae are … …. [ RPMT 2000]

0%
a) Phycomyces
0%
b) Myxophyceae
40%
c) Cyanobacteria
60%
d) Both B and C

Explanation

Q.30.

Which gene cluster is responsible for nitrogen fixation in bacteria? ..

20%
a) Nod, Nif, Nfx
30%
b) Nod, Nif, Fix
40%
c) Nod, NDf, Nfx
10%
d) Ndx, Nif, Fix

Explanation

Q.31.

In which of the following will you look for Escherichia coli … .. [ AFMC 2001]

0%
a) Water
11%
b) Soil
44%
c) Milk
44%
d) Human intestine

Explanation

Q.32.

Match items of column I with those of column II and choose the correct combinations

Column I	Column II
a) Pneumonia	p. Vibrio comma
b) Citrus Canker	q. Mycobacterium leprae
c) Cholera	r. Yersinia pestis
d) Leprosy	s. Xanthomonas citri
- -	t. Diplococcus pneumoniae

50%
a) a-t, b – s, c-p, d-q
38%
b) a-t, b – q, c-s, d-q
12%
c) a-t, b – s, c-q, d-p
0%
d) a-t, b –qs, c-p, d-s

Explanation

Q.33.

What is true about archaebacteria … [ CBSE 2001]

11%
a) All photosynthetic
22%
b) All fossils
0%
c) All halophiles
67%
d) Oldest living beings

Explanation

Q.34.

Cyanobacterium of great nutritional value is … ..[kerala 2002]

44%
a) Gloeocapsa
0%
b) Scytonema
44%
c) Stigonema
11%
d) Spirulina

Explanation

Q.35.

match the columns and choose the correct combination …

a) Escherichia coli	i)Nif gene
b)Rhizobium meliloti	ii)Digest hydrocarbons of crude oil
c)Bacillus thuringiensis	iii)Human insulin production
d)Pseudomonas putida	iv)Biocontrol of fungal disease;
- -	v)Biodegradable insecticide

50%
a) a – iii, b – i, c-v, d-iv
50%
b) a – i, b – ii, c-iii, d-iv
0%
c) a – ii, b – i, c-iii, d-iv
0%
d) a – ii, b – i, c-iii, d-iv

Explanation

Q.36.

Outer limiting layer of Mycoplasma is formed of … .. [ Odisha 2002]

0%
a) Slime
22%
b) Mucilage
44%
c) Cell wall
33%
d) Cell membrane

Explanation

Q.37.

Inner wall of Gram(-) bacteria is formed of …. [ RPMT 2000]

12%
a) Lipoprotein
12%
b) Mucopeptide
25%
c) Chromoprotein
50%
d) Glycoprotein

Explanation

Q.38.

Mitotic apparatus is absent in …. [ MPPMT 2000]

11%
a) Green algae
22%
b) Fungi
33%
c) Bacteria
33%
d) Higher plants

Explanation

Q.39.

Which one occurs in cell wall of Gram(+) bacteria only? [JKCMEE2008]

25%
a) Peptidoglycan
25%
b) Lipopolysaccharide
50%
c) Teichoic acid
0%
d) None of the above

Explanation

Q.40.

Number of endospores usually produced by one bacterial cell is …. [ Odisha 2002]

10%
a) Numerous
20%
b) Three to four
40%
c) Two
30%
d) One

Explanation

Q.41.

Antibiotic are … [ kerala 2002]

11%
a) Drugs to kill virus
0%
b) Toxins produced by bacteria
33%
c) Products of bacterial metabolism
56%
d) Both b and c

Explanation

Q.42.

Peritrichous bacteria have flagella … [ CPMT 1999]

29%
a) All over the body
29%
b) At one end
14%
c) At both ends
29%
d) None

Explanation

Q.43.

Antibiotic active against fungi are …[ Odisha2008]

0%
a) Neomycin
14%
b) Terramycin
57%
c) Polyenes
29%
d) Streptomycin

Explanation

Q.44.

Xanthomonas citri is related to … [ MPPMT 2002]

14%
a) Disease in Xanthium
0%
b) Xanthophyceae
43%
c) A virus
43%
d) Citrus canker

Explanation

Q.45.

Bacterial plasmid contains … .. [ BHU 1997]

0%
a) RNA
14%
b) RNA + Protein
71%
c) DNA
14%
d) Photosynthetic structures.

Explanation

Q.46.

Ray fungi are … .. [ BHU 1995]

0%
a) Phycomycetes
14%
b) Ascomycetes
57%
c) Actinomycetes
29%
d) Basidiomycetes

Explanation

Q.47.

What is false? [ DPMT 2009]

29%
a) TMV has double stranded RNA molecule
0%
b) Most plant viruses are RNA viruses
43%
c) Bacteriophage has a double stranded DNA molecule
29%
d) Most animal viruses are DNA viruses

Explanation

Q.48.

Which viral disease is spread by mosquito … [ DPMT 2003]

14%
a) Plague
14%
b) Typhus
71%
c) Yellow fever
0%
d) Elephantiasis

Explanation

Q.49.

Bacterial flagella are formed of .. .. [ AFMC 2004]

0%
a) Amines
38%
b) Proteins
25%
c) Lipids
38%
d) Carbohydrates

Explanation

Q.50.

Mycoplasma causes a disease …[ MPPMT 2001]

12%
a) Tobacco wilt
25%
b) Citrus canker
25%
c) Apple fireblight
38%
d) Little leaf disease

Explanation

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