Q.1
Bacteria possess the organelle …[ BHU 1999]
  • a) Golgi bodies
  • b) Mesosomes
  • c) Mitochondria
  • d) All the above
Q.2
Which one does not evolve oxygen … [ CPMT 1999]
  • a) Photosynthetic bacteria
  • b) Blue green algae
  • c) Green algae
  • d) Autotrophic plants
Q.3
Fruit, meat and milk are preserved at room temperature through the process of … [ AFMC 1998]
  • a) Pasteurisation
  • b) Fridge
  • c) Dehydration
  • d) Vernalisation
Q.4
Organisms which obtain energy by oxidation of reduced inorganic compounds are … [ CBSE 2002]
  • a) Photoautotrophs
  • b) Saprotrophs
  • c) Coproheterotrophs
  • d) Chemoheterotrophs
Q.5
Nif genes occur in … ..[CPMT 2004]
  • a) Penicillium
  • b) Rhizobium
  • c) Aspergillus
  • d) Streptococcus
Q.6
In which kingdom would you include archaea and nitrogen fixing organisms in the five kingdom classification … [ CBSE 2003]
  • a) Plantae
  • b) Fungi
  • c) Protista
  • d) Monera
Q.7
Find correct match
List I List II
M13 bacteriophage dsRNA
Rice Dwarf Virus ss RNA
Cauliflower Mosaic Virus ss DNA
Polio Virus ds DNA
  • a) a – iii, b – i, c – iv, d -ii
  • b) a – ii, b – i, c – iii, d –iv
  • c) a – iii, b – Iv, c – ii, d –i
  • d) a – iv, b – iii, c – i, d -ii
Q.8
Archaea differ from eubacteria in one of the following features …
  • a) They have a rigid wall
  • b) Their cell wall lacks peptidoglycan component
  • c) They have 16 SRNA
  • d) They are very ancient
Q.9
Botulism caused by Clostridium botulinum affects … .. [ CBSE 1998]
  • a) Spleen
  • b) Intestine
  • c) Neuromuscular junctions
  • d) Lymph glands
Q.10
Which of the following statements is correct … [ DPMT 2009]
  • a) All bacteria are heterotrophic
  • b) Bacteria are either heterotrophic or chemoautotrophic
  • c) Bacteria are either photoautotrophic or chemoautotrophic
  • d) Bacteria can also be photoautotrophic
Q.11
Nitrogen fixation is performed by … .. [ AMU 1999]
  • a) Green algae and fungi
  • b) Fern and cycads
  • c) Legumes and cereals
  • d) Blue-green algae and bacteria
Q.12
Bacteria obtaining energy by oxidation of inorganic substances are … .. [ MPPMT 1999]
  • a) Chemolithotrophs
  • b) Chemo-organotrophs
  • c) Photolithotrophs
  • d) Photo-organotrophs
Q.13
Which is not a method of genetic recombination is bacteria? [ AIIMS 1998]
  • a) transformation
  • b) transduction
  • c) translation
  • d) conjugation
Q.14
In blue green algae, photosynthesis occurs in … [ CMC 2003]
  • a) Cytoplasm
  • b) Grana
  • c) Nucleoid
  • d) Membranous lamellae
Q.15
Match the columns and find out the correct combination
a)Treponema pallidum i)Plague
b)Yersinia pestis ii)Anthrax
c)Bacillus anthracis ii)Syphilis
d)Vibrio iv) Cholera
  • a) a - i, b – iii , c - ii, d - iv
  • b) a - iii, b – i , c - ii, d – iv
  • c) a - iv, b – iii , c - i, d – ii
  • d) a - ii, b – iii , c - i, d – iv
Q.16
What is true … [ KCET 2004]
  • a) Diatoms produce basidiospores
  • b) Heterocysts occur in Nostoc
  • c) Fronds develop in bryophytes
  • d) Multiciliate sperms occur in angiosperms
Q.17
Proteinaceous infectious particles causing diseases are … [ CBSE 2010]
  • a) Prions
  • b) Viroids
  • c) Viruses
  • d) Chlamydia
Q.18
In root nodules of legumes, leghaemoglobin … [ DPMT 2009]
  • a) Transports oxygen to root nodules
  • b) Acts as an oxygen scavenger
  • c) Acts an a catalyst in transamination
  • d) Provides energy to nitrogen fixing bacteria
Q.19
Amino acid found only in bacteria and cyanobacteria is … [ kerala 2003]
  • a) Muramic acid
  • b) Methionine
  • c) Glutamic acid
  • d) Diaminopimelic acid
Q.20
Iron chelating substance is produced by a growth promoting rhizobacterium … [ kerala 2004]
  • a) Rhizobium japonicum
  • b) Azospirillum
  • c) Pseudomonas putida
  • d) Aspergillus
Q.21
Which of the following is essential for nitrogen fixation in legumes?
  • a) Anthocyanin
  • b) Phycocyanin
  • c) Phycoerythrin
  • d) Leghaemoglobin
Q.22
Witches Broom of Potato Tree is caused by … [ RPMT 1998]
  • a) Mycoplasma
  • b) Bacteria
  • c) Viruses
  • d) All the above
Q.23
The bacterium ( Clostridium botulinum) that causes botulism is … [ DPMT 1999]
  • a) Obligate aerobe
  • b) Facultative aerobe
  • c) Facultative anaerobe
  • d) Obligate anaerobe
Q.24
Statements regarding Frankia are correct except … [ CBSE 2005]
  • a) Induction of root nodules in many plants species
  • b) Like Rhizobium, it infects host through root hair and induces proliferation of cortex.
  • c) Form specialized vesicles in which nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids
  • d) Cannot fix nitrogen in free state
Q.25
Bacteriophage releases lysozyme at …. [ CPMT 2007]
  • a) Absorption phase
  • b) Penetration phase
  • c) Eclipse phase
  • d) Maturation phase
Q.26
Pigments phycocyanin and phycoerythrin occur in … [ kerala 2005]
  • a) Bacillariophyceae
  • b) Archaebacteria
  • c) Eubacteria
  • d) Cyanobacteria
Q.27
Host of TMV is … .. [ Odisha 2007]
  • a) Nicotiana
  • b) Triticum
  • c) Datura
  • d) Withania
Q.28
A symbiotic bacterium is … [ DPMT 2009]
  • a) Erwinia amylovora
  • b) Rhizobium leguminosarum
  • c)Xanthomonas campestris
  • d) Agrobacterium tumefaciens
Q.29
On the basis of rRNA genes, bacteria are divided into … [ Odisha 2008]
  • a) Cyanobacteria and Mycoplasma
  • b) Actinomycetes and Mycoplasma
  • c) Bacteria and Archaebacteria
  • d) Gram(+) and Gram(-)
Q.30
Azolla has a symbiotic relationship with …. [ CBSE 2004]
  • a) Chlorella
  • b) Anabaena
  • c) Nostoc
  • d) Tolypothrix
Q.31
Match the columns and find the correct answer.
a)Streptomyces; p) food poisoning
b)Rhizobium q)Source of antibiotics
c)Nitrosomonas r)Nitrogen fixation
d)Acetobacter s)Nitrification
- - t) Vinegar synthesis
  • a) a –s , b – t, c –p, d - r
  • b) a –t , b – p, c –r, d – s
  • c) a –q , b – r, c –p, d – t
  • d) a –q , b – r, c –s, d – t
Q.32
A bacterium which has been genetically modified to control pollution is …. [ CPMT 1998]
  • a) Pseudomonas
  • b) Rhizobium
  • c) Nitrobacter
  • d) Nitrosomonas
Q.33
Organisms found in extreme temperatures are … [ DPMT 2001]
  • a) Fungi
  • b) Cyanobacteria
  • c) Eubacteria
  • d) Archaebacteria
Q.34
Which one is not matched …[CBSE 2004]
  • a) Streptomyces – Antibiotic
  • b) Serratia – Durg addition
  • c) Rhizobium – Biofertilizer
  • d) Spirulina – Single cell protein
Q.35
What is true of mycoplasma ..[ HPPMT 2016]
  • a) They completely lack cell wall
  • b) They are the smallest living cells known
  • c) They can survive without oxygen
  • d) All the above
Q.36
All monerans …. [ Pb. PMT 2005]
  • a) Contain DNA and RNA
  • b) Are bacteria
  • c) Demonstrate a circular strand of DNA without a covering of nuclear membrane
  • d) All of these
Q.37
Cryptogram of TMV is … .. [ CPMT 2004]
  • a) R/1, 1/8, S/S, S/Af
  • b) R/2, 1/5, E/P, O/S
  • c) R/1, 2/5, E/E, S/O
  • d) R/1, 2/7, E/E, S/O
Q.38
A bacterium having flagella on the opposite ends is … [ CPMT 2001]
  • a) Monotrichous
  • b) Lophotrichous
  • c) Amphitrichous
  • d) Polytrichous
Q.39
Which ones are the most primitive amongst the following? [ BHU 2005]
  • a) Bryophytes
  • b) Gymnosperms
  • c) Monocots
  • d) Cyanobacteria
Q.40
Bacterial pili are involved in … [ CMC 2003]
  • a) Asexual reproduction
  • b) Sexual reproduction
  • c) Saprophytic nutrition
  • d) Antibiotic resistance
Q.41
Which one is a prokaryote?
  • a) Entamoeba
  • b) Saccharomyces
  • c) Paramecium
  • d) E coli
Q.42
Nostoc has a characteristic … ..[MPPMT 1998]
  • a) Non-cellulosic cell wall
  • b) Uniflagellate zoospore
  • c) Chlorophylle
  • d) Sexual reproduction
Q.43
RNA like particles that causes disease are … .. [ Pb PMT 2007]
  • a) Virus
  • b) Viroids
  • c) Viruses
  • d) Mycoplasma
Q.44
Phylogenetic classification is based on … .. [ CBSE 1994]
  • a) Utilitarian system
  • b) Habits
  • c) Overall similarities
  • d) Common evolutionary descent
Q.45
Viroid causes .. .. [ MPPMT 2007]
  • a) Cauliflower mosaic
  • b) Potato spindle mosaic
  • c) Tobacco mosaic
  • d) Tulip yellow mosaic
Q.46
Cyanophyceae or blue-green algae possess … .. [ DPMT 1991]
  • a) Definite nucleus but no plastid
  • b) Definite plastid but no definite nucleus
  • c) Definite nucleus and plastid
  • d) Neither definite nucleus nor definite plastid
Q.47
What is not true of retrovirus … .. [ CBSE 2004]
  • a) DNA has no role in life cycle
  • b) There is a gene for RNA dependent DNA polymerase
  • c) Genetic material is RNA
  • d) They are causative agent for certain cancers
Q.48
Nostoc is … [ MPPMT 1999]
  • a) Bacteriophage
  • b) Beaded bacterium
  • c) Cyanobacterium
  • d) Parasite
Q.49
Which is source of Vitamin B12 … [ AMU 2003]
  • a) Pseudomonas
  • b) Spirulina
  • c) Nostoc
  • d) Oscillatoria
Q.50
Pasteurisation is carried out at … [ CPMT 2009]
  • a) 30°C for 20 minutes
  • b) 40°C for 30 minutes
  • c) 30°C for 60 minutes
  • d) 62°C for 30 minutes
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