What fraction of India's total area is covered by Rajasthan?
A
Around 5%
B
Around 15%
C
Around 10%
D
Around 20%
Question 2Single Answer
Which of the following statements is NOT TRUE?
A
Rajasthan's total geographical area is around 3.42 Lakh Sq. Km.
B
Total Populations of Rajasthan is around 10 crore.
C
Out of total population of Rajasthan, 24.9% people live in urban regions.
D
All of the above
Question 3Single Answer
Which district has highest population in Rajasthan?
A
Jaipur
B
Jaisalmer
C
Udaipur
D
Ajmer
Question 4Single Answer
What fraction of Rajasthan's total area is covered by Thar Desert?
A
Around 30%
B
Around 40%
C
Around 60%
D
Around 70%
Question 5Single Answer
The temple city of Osean in Rajasthan was established by which of the following Rajputs?
A
Gurjar Pratiharas
B
Chauhans
C
Solankis
D
Sisodias
Question 6Single Answer
The Jhamarkotra mines of Rajasthan are best known for which among the following minerals?
A
Mica
B
Zinc
C
Rock Phosphate
D
Lime Stone
Question 7Single Answer
What is the population of Scheduled Caste in Rajasthan?
A
20.3%
B
21%
C
17.8%
D
21.6%
Question 8Single Answer
According to census 2011, what is the literacy rate in Rajasthan?
A
60%
B
78%
C
66%
D
55%
Question 9Single Answer
How many people are working in Rajasthan (in percentage)?
A
56%
B
23%
C
43.6%
D
52.4%
Question 10Single Answer
The word 'Rajputana' for Rajasthan was first used by:
A
James Todd
B
George Thomas
C
Geogra Greeson
D
Kushal Labh
Question 11Single Answer
How many districts are there in Rajasthan in 2021?
A
21
B
16
C
30
D
33
Question 12Single Answer
Rajasthan shares the longest border with which state?
A
Gujarat
B
Madhya Pradesh
C
Uttar Pradesh
D
Haryana
Question 13Single Answer
Which district of the Rajasthan does not touch the international border?
A
Ganganagar
B
Bikaner
C
Barmer
D
Jodhpur
Question 14Single Answer
Which of the following districts of Rajasthan has shortest international boundary?
A
Jaisalmer
B
Bikaner
C
Barmer
D
Ganganagar
Question 15Single Answer
With how many states Rajasthan shares its border?
A
7
B
5
C
6
D
3
Question 16Single Answer
What is the Official Language of Rajasthan?
A
Hindi
B
Rajasthani
C
English
D
Marwari
Question 17Single Answer
On which day Rajasthan Diwas is observed every year?
A
April 30th
B
February 28th
C
March 30th
D
April 28th
Question 18Single Answer
Which of the following is the state animal of Rajasthan?
A
Chinkara
B
Tiger
C
Sloth bear
D
Stork Crane
Question 19Single Answer
Which desert is located in Rajasthan?
A
Gobi Desert
B
Thar Desert
C
Sahara Desert
D
Kalahari Desert
Question 20Single Answer
What is the state tree of Rajasthan?
A
Rhododendron
B
Palmyra palm
C
Deodar
D
Khejri
Question 21Single Answer
Which of the national parks is not situated in Rajasthan?
A
Panna national park
B
Ranthabore national park
C
Bandipur national park
D
Sariska national park
Question 22Single Answer
Which of the following is the largest freshwater lake in Rajasthan?
A
Dal Lake
B
Fateh Sagar Lake
C
Pushkar Lake
D
Jaisamand Lake
Question 23Single Answer
Which city is known as the Salt city of Rajasthan?
A
Bhilwara
B
Alwar
C
Sambhar
D
Kishangarh
Question 24Single Answer
The Taj Mahal of Rajasthan Jaswant-Thada is situated in which district?
A
Bikaner
B
Udaipur
C
Ajmer
D
Jodhpur
Question 25Single Answer
Who is known as the 'Iron man of Rajasthan'?
A
Govind Giri
B
Haribhau Upadhayay
C
Damodar Lal Vyas
D
Motilala tejawat
Question 26Single Answer
Which city of Rajasthan is known as City of Mountains?
A
Jhalawar
B
Durlabh
C
Sonargarh
D
Dungarpur
Question 27Single Answer
Literacy rate in Rajasthan is_____
A
66.1
B
60.1
C
55.1
D
62.1
Question 28Single Answer
Population density in Rajasthan is______
A
230
B
200
C
250
D
225
Question 29Single Answer
Rajasthan does not share its state border with_____
A
Punjab
B
Haryana
C
Gujarat
D
Goa
Question 30Single Answer
Rajasthan has border length with Punjab____km.
A
80
B
81
C
89
D
85
Question 31Single Answer
Which of the following best describes the nature of the Indian Constitution ?
A
Rigid
B
Flexible
C
Semi-rigid
D
Static
Question 32Single Answer
The Indian Constitution is largely based on the model of which country's constitution ?
A
United States
B
United Kingdom
C
Canada
D
Australia
Question 33Single Answer
Which part of the Indian Constitution deals with the distribution of powers between the Union and the States ?
A
Preamble
B
Fundamental Rights
C
Union List
D
Federal Structure
Question 34Single Answer
What does the Preamble of the Indian Constitution declare India as ?
A
A Socialist Republic
B
A Sovereign Socialist Secular Democratic Republic
C
A Secular State
D
A Federal Republic
Question 35Single Answer
The words "Socialist" and "Secular" were added to the Preamble by which Constitutional Amendment ?
A
42nd Amendment
B
44th Amendment
C
52nd Amendment
D
73rd Amendment
Question 36Single Answer
What does the Preamble to the Indian Constitution declare India as?
A
A Sovereign, Socialist, Secular, Democratic Republic
B
A Union of States
C
A Welfare State
D
A Communist State
Question 37Single Answer
How many fundamental rights are enshrined in the Indian Constitution?
A
6
B
7
C
8
D
5
Question 38Single Answer
Which Article of the Indian Constitution provides the right to equality?
A
Article 14
B
Article 19
C
Article 21
D
Article 32
Question 39Single Answer
Which schedule of the Indian Constitution deals with the allocation of seats in the Rajya Sabha?
A
Fourth Schedule
B
Second Schedule
C
Sixth Schedule
D
Eighth Schedule
Question 40Single Answer
Who appoints the Chief Justice of India?
A
Prime Minister
B
President
C
Parliament
D
Attorney General
Botany
Question 41Single Answer
Plant viruses usually contain :
A
RNA
B
DNA
C
DNA and RNA
D
DNA or RNA
Question 42Single Answer
Viruses were discovered by :
A
Stanley
B
Ivanowski
C
Twort
D
Herelle
Question 43Single Answer
Which statement best defines viruses?
A
Acellular infectious agents that replicate only inside living host cells
B
Cellular microorganisms containing only DNA
C
Free-living microorganisms capable of independent metabolism
D
Cellular microorganisms containing only RNA
Question 44Single Answer
Which infectious agents consist essentially of small, naked RNA molecules without a protein coat?
A
Virions
B
Prions
C
Viroids
D
Bacteriophages
Question 45Single Answer
Coliphage f X 174 contains :
A
double stranded RNA
B
single stranded DNA
C
double stranded DNA
D
single stranded RNA
Question 46Single Answer
Viruses differ from living organisms in that, they :
A
can grow inside a living host
B
can multiply inside a living host
C
can undergo mutation inside a living host
D
are non-cellular
Question 47Single Answer
Virus which attacks E.coli is called :
A
bacteriophage
B
coliphage
C
phytophage
D
zoophage
Question 48Single Answer
Which characteristic distinguishes viruses from cellular organisms?
A
They possess ribosomes for protein synthesis
B
They have independent energy metabolism
C
They are acellular and depend on host cells for replication
D
They reproduce by binary fission
Question 49Single Answer
The genome of a temperate bacteriophage integrated into the bacterial chromosome is termed as?
A
Prophage
B
Episome
C
Plasmid
D
Capsomere
Question 50Single Answer
Virus was crystallized and isolated first by :
A
J.D. Ivanowski
B
F.C. Bawden
C
W.M. Stanley
D
K.M. Smith
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Botany
Question 51Single Answer
Little leaf disease of brinjal is primarily associated with which pathogen?
A
Phytoplasma
B
Begomovirus
C
Fungus
D
Viroid
Question 52Single Answer
Which approximate size range includes many of the smallest known conventional virus particles?
A
20–30 nm
B
100–150 nm
C
500–700 nm
D
1–2 µm
Question 53Single Answer
Which of the following is devoid of protein coat, with a constitution of RNA only ?
A
Tobacco mosaic virus
B
Poxvirus
C
Potato spindle tuber virus
D
None of the above
Question 54Single Answer
Genetic modification brought about by a virus in a bacteria is known as :
A
transformation
B
transduction
C
conjugation
D
candidiasis
Question 55Single Answer
Which property makes the classification of viruses as strictly living or non-living problematic?
A
They reproduce independently outside cells
B
They possess cellular organelles but lack DNA
C
They replicate in host cells but are metabolically inactive outside them
D
They perform independent respiration outside host cells
Question 56Single Answer
Influenza viruses contain which type of genetic material?
A
Double-stranded DNA
B
Single-stranded RNA
C
Single-stranded DNA
D
Double-stranded RNA
Question 57Single Answer
Edward Jenner is best known for pioneering vaccination against which disease?
A
Smallpox
B
Chickenpox
C
Rabies
D
Poliomyelitis
Question 58Single Answer
Roux Sarcoma virus contains :
A
RNA
B
DNA
C
DNA and RNA
D
None of these
Question 59Single Answer
Which of the following is a viral disease of potato ?
A
Early blight of potato
B
Late blight of potato
C
Leaf roll of potato
D
None of the above
Question 60Single Answer
The term Virus' has been derived from a Latin word meaning :
A
poison
B
secretion
C
cell
D
venom
Question 61Single Answer
Which of the following is an example of DNA containing plant virus ?
A
Tobacco mosaic virus
B
Potato mosaic virus
C
Cauliflower mosaic virus
D
Tomato mosaic virus
Question 62Single Answer
Rabies is caused by :
A
viruses
B
slime moulds
C
fungi
D
bacterium
Question 63Single Answer
A clear area produced when bacteriophages lyse bacterial cells growing on a culture medium is called a?
A
Plaque
B
Colony
C
Streak
D
Capsule
Question 64Single Answer
An antiviral substance produced by many vertebrates in response to viral infection for resisting the multiplication of viruses is known as :
A
antivirin
B
antigen
C
virion
D
interferon
Question 65Single Answer
Viruses with two types of symmetry, i.e., icosahedral head and helical tail are called :
A
picornaviruses
B
binal viruses
C
riboviruses
D
none of these
Question 66Single Answer
Which of the following is a Capsid ?
A
Protein part of virus
B
Nucleic part of virus
C
Both (a) and (b)
D
None of these
Question 67Single Answer
A stage in the replication of virus, when the cell wall of host is ruptured is known as :
A
lesion
B
lysis
C
autolysis
D
haemolysis
Question 68Single Answer
Which metabolic capability is absent in viruses?
A
Independent ATP-generating metabolism
B
Genetic mutation
C
Genome replication within a suitable host
D
Assembly of progeny virions inside host cells
Question 69Single Answer
The exception to the cell theory of Schleiden and Schwann are :
A
viruses
B
bacteria
C
algae
D
fungi
Question 70Single Answer
An extreme example of latency in which the DNA of the phage is integrated with the DNA of host cell chromosome is :
A
lysis
B
lysogeny
C
prophage
D
attenuated virus
Question 71Single Answer
Which feature is characteristic of all viruses?
A
They require living host cells for replication
B
They contain proteins but no nucleic acid
C
They replicate exclusively in the cytoplasm
D
They infect only bacterial cells
Question 72Single Answer
One of the following discovered synthesis of DNA from RNA in Roux Sarcoma Virus :
A
Smith
B
Temin
C
Twort
D
Mayer
Question 73Single Answer
Which component is present in both a bacteriophage and a yeast cell?
A
Nucleic acid
B
Mitochondria
C
Golgi apparatus
D
Endoplasmic reticulum
Question 74Single Answer
Transduction was discovered by :
A
Safferman and Morris
B
Lederberg and Zinder
C
Smith and Knight
D
None of these
Question 75Single Answer
Viral DNA incorporated in host DNA is known as :
A
prophage
B
vegephage
C
cyanophage
D
phycophage
Question 76Single Answer
Most antibiotics have no direct effect on viruses primarily because?
A
Viruses form antibiotic-resistant endospores
B
Viruses are larger than bacterial cells
C
Viruses lack the cellular structures and metabolic pathways targeted by antibiotics
D
Viruses possess impermeable cellulose walls
Question 77Single Answer
Dahlia mosaic virus contains :
A
DNA
B
RNA
C
DNA and RNA
D
None of these
Question 78Single Answer
The disease in man caused by viruses is :
A
mumps
B
cholera
C
typhoid
D
plague
Question 79Single Answer
Where is the protein for protein coat of virus synthesized ?
A
RNA of the virus
B
DNA of the virus
C
RNA of the host
D
Ribosome of the host
Question 80Single Answer
A virus contains
A
an outer protein coat and a central core of DNA or RNA
B
outer RNA or DNA and a central core of proteins
C
only nucleic acids
D
only protein coats
Question 81Single Answer
Which of the following does not contain DNA ?
A
T-2 bacteriophage
B
Dahlia mosaic virus
C
Roux sarcoma virus
D
All animal viruses
Question 82Single Answer
Which tissue-culture technique is commonly used to obtain virus-free plants from systemically virus-infected stock?
A
Shoot apical meristem culture
B
Mature xylem culture
C
Mature phloem culture
D
Pollen storage
Question 83Single Answer
Which property provides evidence for the biological activity of viruses inside suitable host cells?
A
Replication of their genetic material
B
Independent cellular respiration
C
Independent protein synthesis by ribosomes
D
Binary fission outside host cells
Question 84Single Answer
In classical virus classification, a cryptogram was designed primarily to provide coded information about which features?
A
Major properties of a virus and its genome
B
Only the colour of infected tissues
C
Only the geographical origin of a virus
D
Only the name of the virus discoverer
Question 85Single Answer
Which term describes a genetic element capable of existing autonomously as well as becoming integrated into a host chromosome?
A
Episome
B
Capsomere
C
Virion
D
Viroid
Question 86Single Answer
Tissue culture is used in research of...... extensively .
A
fungi
B
bacteria
C
algae
D
viruses
Question 87Single Answer
The protein coat of a virus is made up of
A
capsid
B
episome
C
protein
D
capsomeres
Question 88Single Answer
Which of the following is not a viral disease of man ?
A
Influenza
B
Whooping cough
C
Rabies
D
Small pox
Question 89Single Answer
Double stranded RNA viruses are known as :
A
riboviruses
B
reoviruses
C
ribovira
D
arboviruses
Question 90Single Answer
The viruses that infect blue green algae are called :
A
cyanophages
B
phages
C
phycophages
D
coliphage
Question 91Single Answer
Which region of a plant is commonly exploited in meristem culture to obtain virus-free plants?
A
Shoot apical meristem
B
Mature phloem
C
Secondary xylem
D
Cork cambium
Question 92Single Answer
Which size range broadly encompasses many conventional virus particles?
A
About 20–300 nm
B
About 2–10 nm
C
About 1–5 µm
D
About 10–50 µm
Question 93Single Answer
A viral DNA can be made radioactive by :
A
culturing the viruses in a medium of P32
B
by providing P3² to a bacterium infected by a virus
C
by providing P32 to viruses when they are about to attack a bacteria
D
Both (a) and (c)
Question 94Single Answer
Which of the following is generally the largest in virion dimensions?
A
Tobacco mosaic virus
B
Poxvirus
C
Herpesvirus
D
Poliovirus
Question 95Single Answer
Who first reported bacteriophages in 1915?
A
Félix d'Hérelle
B
Alfred Hershey
C
Joshua Lederberg
D
Frederick W. Twort
Question 96Single Answer
"DNA is the hereditary material of bacteriophages" was proved by :
A
Hershey and Chase
B
De Herelle
C
F. Griffith
D
De Barley
Question 97Single Answer
The genetic material of poliovirus is :
A
DNA
B
Single stranded RNA
C
Single stranded DNA
D
Double stranded RNA
Question 98Single Answer
The genome of a temperate bacteriophage integrated into the bacterial chromosome is called a?
A
Virion
B
Prophage
C
Capsomere
D
Plasmid
Question 99Single Answer
In a bacteriophage, DNA is located in its
A
head
B
tail
C
tail and head
D
tentacles
Question 100Single Answer
Animal viruses enter their host cell by a process known as
A
pinocytosis
B
viropexis
C
lysis
D
elimination
Question 101Single Answer
If a virus has RNA instead of DNA :
A
It cannot replicate
B
It cannot reproduce
C
RNA acts as genetic material
D
It can direct protein synthesis only
Question 102Single Answer
Why is vegetative propagation particularly important in the transmission of many plant viruses?
A
Infected vegetative material can directly carry viruses into new plants
B
All plant viruses are transmitted exclusively through seeds
C
Viruses survive only in dead plant tissues
D
Plant viruses cannot occur in vascular tissues
Question 103Single Answer
Which cyanophage is known for infecting cyanobacteria belonging to more than one host genus?
A
T2 phage
B
Lambda phage
C
LPP-1
D
M13 phage
Question 104Single Answer
Mosaic disease of sugarcane is caused by :
A
parasitic alga
B
bacterium
C
fungus
D
virus
Question 105Single Answer
A substance that kills viruses is :
A
viricide
B
virion
C
antibiotic
D
germicide
Question 106Single Answer
In a virus infected plant, the viruses are translocated through :
A
xylem vessels
B
sieve tubes
C
phloem vessels
D
cortex
Question 107Single Answer
Who first crystallized tobacco mosaic virus?
A
Wendell M. Stanley
B
Frederick W. Twort
C
Félix d'Hérelle
D
Dmitri Ivanovsky
Question 108Single Answer
Which statement about viruses is incorrect?
A
Their genomes consist of DNA or RNA
B
They can grow independently in a sugar solution
C
They require host cells for replication
D
They lack independent cellular metabolism
Question 109Single Answer
During infection of Escherichia coli by bacteriophage T2, which viral component enters the bacterial cell?
A
Only the protein coat
B
Primarily the phage DNA
C
The entire intact bacteriophage
D
Only the tail fibers
Question 110Single Answer
Acquired Immuno-Deficiency Syndrome is caused by :
A
Influenza Virus
B
Oncoenes
C
HIV
D
Mycobacterium
Question 111Single Answer
Mosaic of sugarcane is caused by :
A
algae
B
fungi
C
bacteria
D
virus
Question 112Single Answer
Which statement about viruses is incorrect?
A
They lack independent energy metabolism
B
They require living cells for replication
C
Their genome consists of DNA or RNA
D
They can grow independently in a dilute sugar solution
Question 113Single Answer
Which feature of bacteriophages made them particularly useful in classic experiments on the nature of genetic material?
A
Their DNA and protein components could be differentially labelled
B
They possess mitochondria
C
They reproduce by binary fission
D
They contain chlorophyll
Question 114Single Answer
For successful study of Morphology of viruses the Microscope used is :
A
polarizing
B
binocular
C
electron
D
simple
Question 115Single Answer
Which type of nucleic acid is found as the genome in many characterized mycoviruses?
A
Single-stranded DNA only
B
Double-stranded RNA
C
Double-stranded DNA only
D
Transfer RNA
Question 116Single Answer
Outside of the host cells, the viruses are simply non-living particles, known as :
A
virion
B
prophages
C
proviruses
D
algae
Question 117Single Answer
What is the genetic material of typical tailed cyanophages?
A
Double-stranded DNA
B
Protein
C
Ribosomal RNA
D
Transfer RNA
Question 118Single Answer
Which of the following disease is caused by a virus ?
A
Tuberculosis
B
Poliomyelitis
C
Diphtheria
D
Typhoid
Question 119Single Answer
Which feature historically contributed to bacteria being grouped with plants in older classification systems?
A
Presence of a rigid cell wall
B
Presence of a membrane-bound nucleus
C
Presence of chloroplasts in all species
D
Multicellular organization
Question 120Single Answer
Which environment typically contains an exceptionally diverse and abundant community of bacteria?
A
Sterile distilled water
B
Soil
C
Upper atmosphere
D
Freshly sterilized glassware
Question 121Single Answer
Germ theory of disease was proposed by :
A
Robert Koch
B
L. Pasteur
C
T. Boveri
D
F. Jacob
Question 122Single Answer
Escherichia coli is a bacterium which is a common inhabitant of :
A
fertile soil
B
water
C
human intestine
D
All of these
Question 123Single Answer
True nucleus is absent in :
A
fungi
B
algae
C
lichens
D
bacteria
Question 124Single Answer
Which group includes some of the smallest self-replicating cellular organisms?
A
Mycoplasma
B
Bacillus
C
Spirillum
D
Vibrio
Question 125Single Answer
The principal bacterial chromosome is composed primarily of which genetic material?
A
DNA
B
RNA
C
Protein
D
Peptidoglycan
Question 126Single Answer
Which of the following bacteria can oxidise hydrogen sulphide to sulphur ?
A
Rhizobium
B
Nitrosomonas
C
Beggiatoa
D
Nitrobacter
Question 127Single Answer
Bacteria which directly converts atmospheric nitrogen into nitrogen compounds are called :
A
Nitrifying bacteria
B
Nitrogen fixing bacteria
C
Denitrifying bacteria
D
Putrefying bacteria
Question 128Single Answer
Bacteria reproduce :
A
asexually only
B
sexually only
C
mostly asexually
D
mostly sexually
Question 129Single Answer
Tetanus is caused by :
A
Bacillus coli
B
Streptococcus spp
C
Pasteurella pestis
D
Clostridium tetani
Question 130Single Answer
Which compound commonly serves as an electron donor for anoxygenic photosynthesis in sulfur bacteria?
A
Hydrogen peroxide
B
Water
C
Molecular oxygen
D
Hydrogen sulfide
Question 131Single Answer
Which of the following is not primarily a bacterial process?
A
Biological treatment of sewage
B
Biological nitrogen fixation
C
Emulsification of dietary fat by bile salts
D
Nitrification in soil
Question 132Single Answer
Which of the following statement is correct ?
A
All bacteria are autotrophic
B
All bacteria are heterotrophic
C
All bacteria are photosynthetic
D
Most of the bacteria are heterotrophic but some are autotrophic
Question 133Single Answer
Which free-living bacterium is capable of fixing atmospheric nitrogen?
A
Staphylococcus aureus
B
Streptococcus pyogenes
C
Azotobacter
D
Lactobacillus acidophilus
Question 134Single Answer
What is the principal mode of asexual reproduction in most bacteria?
A
Binary fission
B
Endospore formation
C
Conjugation
D
Transformation
Question 135Single Answer
The bacteria which do not bear flagella are termed as :
A
atrichous
B
lophotrichous
C
amphitrichous
D
peritrichous
Question 136Single Answer
Bacterial cell-wall is composed of :
A
chitin
B
mucopeptide
C
lignin
D
suberin
Question 137Single Answer
Citrus canker of lemon and orange is caused by which bacterium?
A
Xanthomonas citri
B
Bacillus subtilis
C
Rhizobium leguminosarum
D
Escherichia coli
Question 138Single Answer
Bacteria was first discovered by :
A
Robert Koch
B
Louis Pasteur
C
A.V. Leeuwenhoeck
D
Robert Hooke
Question 139Single Answer
Which process is absent from the normal life cycle of Escherichia coli?
A
Binary fission
B
DNA replication
C
Meiosis
D
Transcription
Question 140Single Answer
Peptidoglycan occurs in the cell wall of which bacterial groups?
A
Both Gram-positive and Gram-negative bacteria
B
Only Gram-positive bacteria
C
Only Gram-negative bacteria
D
Only wall-less bacteria
Question 141Single Answer
Denitrifying bacteria convert :
A
ammonia to nitrite
B
nitrite to nitrate
C
nitrate to free nitrogen
D
nitrogen to ammonia
Question 142Single Answer
Which bacterial genus is well known for producing endospores?
A
Bacillus
B
Vibrio
C
Neisseria
D
Escherichia
Question 143Single Answer
Root nodules are formed by the symbiotic relation between the legume and :
A
algae
B
bacteria
C
bryophyta
D
fungi
Question 144Single Answer
In many purple photosynthetic bacteria, photosynthetic pigments are located in specialized intracytoplasmic membranes historically called?
A
Chromatophores
B
Lysosomes
C
Centrioles
D
Dictyosomes
Question 145Single Answer
Bacteria having a tuft of flagella at one end are called :
A
monotrichous
B
peritrichous
C
amphitrichous
D
lophotrichous
Question 146Single Answer
Which statement about bacteria is incorrect?
A
Some bacteria are parasitic
B
Many bacteria reproduce by binary fission
C
Some bacteria can synthesize organic compounds autotrophically
D
Bacteria synthesize food using membrane-bound chloroplasts