FREE ANSWERS AVAILABLE FROM DECEMBER ONWARDS ONLY IN MY YOUTUBE
https://www.youtube.com/@ravitestpapers/videos
RAVI MATHS TUITION CENTER, NEAR VILLIVAKKAM RLY STATION,
CHENNAI – 82. WHATSAPP - 8056206308
BOTANY PART 1
1) Basidiomycetes do not possess this feature.
WEBSITES PURPOSE CREATED MATERIALS. NOT FOR SALES
(a) Clamp (b) Club (c) Dolipore (d) Lack sexual
connection Fungi septum reproduction
2) A plant growth promoter got from fungi is ___________
(a) Rennet (b) Gibberellin (c) Ergot (d) Griseofulvin
3) Monotropa derives nutrition by ___________
(a) Root Nodules (b) Lichens (c) Mycorrhizae (d) Roots
4) ___________ are considered as pollution indicators.
(a) Mycorrhiza (b) Actinomycete (c) Lichens (d) Cyanobacteria
5) Living organisms constitute __________
(a) Living world (b) Non-living world (c) Animal kingdom (d) Plant kingdom
6) Living thing is otherwise called as ___________
(a) Organ (b) Organelle (c) Organism (d) Cell
7) Living things are made of ___________
(a) Organisms (b) Atoms (c) Organs (d) Cells
8) Sum total of constructive reactions is called as _____________
(a) Anabolism (b) Catabolism (c) Metabolism (d) Embolism
9) Sum total of destructive reactions is called as ____________.
(a) Metabolism (b) Catabolism (c) Embolism (d) Anabolism
10) A multicellular organism grows by ____________
(a) budding (b) cell division (c) fission (d) spore formation
11) Growth in plant is ___________
(a) Diffusable (b) Unlocalized (c) Limited (d) Life long
12) Organisms grow by __________
(a) cell division (b) spore formation (c) fragmentation (d) vegetative propagation
13) Increase in body mass is considered as ____________
(a) cell division (b) homeostasis (c) reproduction (d) growth
14) _________ do not growth.
(a) Living organisms (b) Microorganisms (c) Dead organisms (d) All the above
15) _______________ multiply and spread very fast by producing millions of asexual
spores.
(a) Bacteria (b) Pteridophytes (c) Fungi (d) Sea weeds
16) Some fungi, filamentous algae and the protonema of mosses multiply by
_____________.
(a) fission (b) fertilization (c) pollination (d) fragmentation
17) Yeast and Hydra reproduce by ___________
(a) Budding (b) Fission (c) Spore formation (d) Vegetative propagation
18) ____________ is the building block of all living things.
(a) Cells (b) Organs (c) Atoms (d) Compounds
19) ______________ is a basic unit of life.
(a) Atoms (b) Compounds (c) Soils (d) Cell
20) Earth was formed _______________ billion years ago.
(a) 4.6 (b) 5.5 (c) 4 (d) 3
AND SOME IN MY WEBSITES
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21) _____________is a sexual method of reproduction.
(a) Binary fission (b) Budding (c) Conidia (d) Gametangial contact
22) Vaccination for small pox was discovered by ________________
(a) d' Herelle (b) Edward Jenner (c) Robert Gallo (d) F.W. Twort
WEBSITES PURPOSE CREATED MATERIALS. NOT FOR SALES
23) 1 nanometer = ___________
(a) 109 meter (b) 10-9 meters (c) 108 meters (d) 10-6 meters
24) Size of TMV = ________________
(a) 300 × 200 μ m (b) 30 × 20 μ m (c) 280 × 150 μ m (d) 280 × 40μ m
25) Viruses were classified into seven classes by _______________
(a) David Baltimore (b) Twort (c) Ehrenberg (d) Alexopoulos
26) Identify the criteria not used for classification of viruses.
(a) -ss or -ds (b) Use of RT (c) (+) RNA or (-) RNA (d) Reproduction
27) A virus with ds DNA.
(a) Pappo viruses (b) Reo viruses (c) Adeno viruses (d) Retro viruses
28) TMV has a molecular weight of _____________ Daltons.
(a) 39 × 106 (b) 38 × 105 (c) 39 × 107 (d) 39 × 1010
29) TMV has approximately ________________ capsomeres.
(a) 2030 (b) 2130 (c) 2330 (d) 2000
30) Match the following:
(1) Toga Virus(a) Mottling
(2) TMV (b) Eater of bacteria
(3) Phage (c) Cauliflower Mosaic Virus
(4) Ribo virus (d) ss RNA
(a) (b) (c) (d)
1234 1234 1234 1234
c da b bc da a bc d da bc
31) Identify the sequence involved in lytic life cycle.
(a) Pinning
(b) Maturation
(c) Synthesis
(d) Ghost
(a) ABCD (b) ADCB (c) DACB (d) ACDB
32) Mad cow disease is caused by ______________
(a) Prions (b) Virion (c) Viroid (d) Phage
33) ______________ is considered to be a new kindgom.
(a) Protista (b) Chromista (c) Monera (d) Plantae
34) The classification published in recent times was given by ________________
(a) Carlwoese (b) Ruggero et al (c) Whittaker (d) Copeland
35) Founder of modern Bacteriology _________________
(a) Koch (b) Griffith (c) Lederberg (d) Gram
36) Bacteria was first discovered by a ______________ scientist.
(a) German (b) Dutch (c) French (d) American
37) Identify the correct statement regarding bacterial genome.
(A) Nucleoid
(B) Contains histone
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(C) Linear
(D) Absence of nuclear membrane
(a) A and D (b) A and B (c) C and D (d) All the above
38) _________________ are obligate aerobes.
WEBSITES PURPOSE CREATED MATERIALS. NOT FOR SALES
(a) Streptococcus (b) Clostridium (c) Micrococcus (d) E. Coli
39) Griffith demonstrated Transformation in ________________
(a) 1928 (b) 1930 (c) 1975 (d) 1900
40) Detection of changes in their living place by organisms is called
(a) Interactions (b) Consciousness (c) Autotropic (d) Meterotropic
41) ______________ are superior among all living things as they have an additional
ability of self-consciousness.
(a) Animals (b) Plants (c) Humans (d) Monera
42) Bacteriophage varies in size from ____________
(a) 10-100 nm (b) 1-10 nm (c) 50-500 nm (d) 20-40 nm
43) Viruses that cause diseases in fungi are called ___________
(a) Cyanophages (b) Bacteriophages (c) Lactophages (d) Mycophages
44) Viruses that attack blue green algae or cyanobacteria and cause diseases are called
_________
(a) Bacteriophages (b) Cyanophages (c) Mycophages (d) Lactophages
45) Virus that infects bacteria is called __________
(a) Mycophage (b) Lactophage (c) Bacteriophage (d) Cyanophage
46) The cancer causing viruses are also called ___________
(a) Oncogenic viruses (b) Corona viruses (c) HIV (d) Mycoviruses
47) The term bacteria was first used by __________
(a) Stanley (b) Pasteur (c) Hooke (d) Ehrenberg
48) Bacterial cell wall contains _____________
(a) peptidoglycan (b) glucose (c) flagellin (d) chitin
49) Which Gram negative bacterium caused Duodenal and Gastric ulcers?
(a) Helicobacter Pylori (b) Helicobacter Vibrio (c) E.Coli (d) Haemophillus
50) ______________ is a thermophilic gram negative bacteria.
(a) Rhizobium (b) Salmonella (c) Pseudomonas (d) Thermus aquaticus
51) Which one of the following bacterium can cause crown gall disease in plants?
(a) Bacillus (b) Clostridium (c) Agrobacterium tumefaciens (d) E.Coli
52) Actinomycetes are also called ___________
(a) Ray Fungi (b) Liverworts (c) Hyphae (d) Pileus
53) Extra chromosomal self-replicating DNA segments called
(a) CDNA (b) rDNA (c) Plasmid (d) RNA
54) Which one of the following is a rod-shaped bacteria?
(a) Coccus (b) Bacillus (c) Spirillum (d) Vibrio
55) An example of photoautotrophic bacteria is ___________
(a) Nitrosomonas (b) Nitrobacter (c) Chlorobium (d) Spirillum
56) An example of chemoautotrophic bacteria is ___________
(a) Chlorobium (b) Rhizobium (c) Nitrosomonas (d) Escherichia
57) A bacterial cell is covered by ____________
(a) glycocalyx (b) flagellin (c) chitin (d) peptidoglycan
58) Disease causing organisms are called as ___________
AND SOME IN MY WEBSITES
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, FREE ANSWERS AVAILABLE FROM DECEMBER ONWARDS ONLY IN MY YOUTUBE
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(a) organisms (b) pathogens (c) recipients (d) decomposers
59) Bacterial photosynthesis differs from higher plants in evolution of ____________.
(a) Oxygen (b) Hydrogen sulphide (c) Hydrogen (d) CO2
60) Who discovered the Transformation process?
WEBSITES PURPOSE CREATED MATERIALS. NOT FOR SALES
(a) Griffith (b) Ehrenberg (c) Pasteur (d) Hooke
61) Which of the following is called 'true bacteria'?
(a) Archaebacteria (b) Eubacteria (c) Methanobacterium (d) Halobacterium
62) Identify the fastest growing cyanobacteria
(a) Halobacterium (b) Methanobacterium (c) Spirulina (d) Thermoprotens
63) Which one of the following organisms completely lacks a cell wall?
(a) Eubacteria (b) Archaebacteria (c) Fungi (d) Mycoplasma
64) Food poisoning is caused by ______________
(a) Yersinia (b) Clostridium (c) Treponema (d) Vibrio
65) ______________ was awarded a Nobel prize for his work on TMV.
(a) Jenner (b) Mayer (c) W.M. Stanley (d) Robert Gallo
66) ______________ shows cuboid symmetry.
(a) TMV (b) Bacteriophage (c) Herpes virus (d) Influenza
67) The base plate of T4 phage has ______________ tail fibres.
(a) 5 (b) 4 (c) 6 (d) 8
68) Lysozyme is secreted by phage during ____________
(a) Adsorption (b) Synthesis (c) Penetration (d) Maturation
69) ______________ is a capnophilic bacteria.
(a) Campylobacter (b) Chlorobium (c) Chromatium (d) Clostridium
70) ____________ is a disease affecting animals.
(a) Scab (b) Anthrax (c) Ring rot (d) Canker
71) __________________ is found in corolloid roots of Cycas.
(a) Dermacarpa (b) Nostoc (c) Scytonema (d) Chara
72) A marine cyanobacterjal species _______________
(a) Trichodesmium (b) Gloeocapsa (c) Nostoc (d) Cycas
73) The organisms isolated from pleural fluid of cattle ______________
(a) Actinomycetes (b) Virus (c) Phage (d) Mycoplasma
74) Nitrogen fixation in non leguminous plants is done by __________________
(a) Rhizobium (b) Alnus (c) Frankia (d) Streptomyces
75) Yellow powder which saved lives of soldiers in world war II was, _____________
(a) Streptomycin (b) Aureomycin (c) Penicillin (d) Bacitracin
76) ______________is considered as founder of mycology.
(a) P.A. Micheli (b) Webster (c) Blackley (d) Ainsworth
77) Spermatization is a sexual mode of reproduction in ________________
(a) Rhizopus (b) Neurospora (c) Ascomycetes (d) Penicillium
78) Sac fungi refers to ________________
(a) Ascomycetes (b) Zygomycetes (c) Basidiomycetes (d) Deuteromycetes
79) Who introduced the Gram staining method?
(a) Bergy (b) Christian Gram (c) Ehrenberg (d) Lederberg
80) The study of Bacteria is called _____________
(a) Virology (b) Mycology (c) Physiology (d) Bacteriology
81) Who discovered plasmid?
AND SOME IN MY WEBSITES
www.ravitestpapers.com www.ravitestpapers.in
https://www.youtube.com/@ravitestpapers/videos
RAVI MATHS TUITION CENTER, NEAR VILLIVAKKAM RLY STATION,
CHENNAI – 82. WHATSAPP - 8056206308
BOTANY PART 1
1) Basidiomycetes do not possess this feature.
WEBSITES PURPOSE CREATED MATERIALS. NOT FOR SALES
(a) Clamp (b) Club (c) Dolipore (d) Lack sexual
connection Fungi septum reproduction
2) A plant growth promoter got from fungi is ___________
(a) Rennet (b) Gibberellin (c) Ergot (d) Griseofulvin
3) Monotropa derives nutrition by ___________
(a) Root Nodules (b) Lichens (c) Mycorrhizae (d) Roots
4) ___________ are considered as pollution indicators.
(a) Mycorrhiza (b) Actinomycete (c) Lichens (d) Cyanobacteria
5) Living organisms constitute __________
(a) Living world (b) Non-living world (c) Animal kingdom (d) Plant kingdom
6) Living thing is otherwise called as ___________
(a) Organ (b) Organelle (c) Organism (d) Cell
7) Living things are made of ___________
(a) Organisms (b) Atoms (c) Organs (d) Cells
8) Sum total of constructive reactions is called as _____________
(a) Anabolism (b) Catabolism (c) Metabolism (d) Embolism
9) Sum total of destructive reactions is called as ____________.
(a) Metabolism (b) Catabolism (c) Embolism (d) Anabolism
10) A multicellular organism grows by ____________
(a) budding (b) cell division (c) fission (d) spore formation
11) Growth in plant is ___________
(a) Diffusable (b) Unlocalized (c) Limited (d) Life long
12) Organisms grow by __________
(a) cell division (b) spore formation (c) fragmentation (d) vegetative propagation
13) Increase in body mass is considered as ____________
(a) cell division (b) homeostasis (c) reproduction (d) growth
14) _________ do not growth.
(a) Living organisms (b) Microorganisms (c) Dead organisms (d) All the above
15) _______________ multiply and spread very fast by producing millions of asexual
spores.
(a) Bacteria (b) Pteridophytes (c) Fungi (d) Sea weeds
16) Some fungi, filamentous algae and the protonema of mosses multiply by
_____________.
(a) fission (b) fertilization (c) pollination (d) fragmentation
17) Yeast and Hydra reproduce by ___________
(a) Budding (b) Fission (c) Spore formation (d) Vegetative propagation
18) ____________ is the building block of all living things.
(a) Cells (b) Organs (c) Atoms (d) Compounds
19) ______________ is a basic unit of life.
(a) Atoms (b) Compounds (c) Soils (d) Cell
20) Earth was formed _______________ billion years ago.
(a) 4.6 (b) 5.5 (c) 4 (d) 3
AND SOME IN MY WEBSITES
www.ravitestpapers.com www.ravitestpapers.in
, FREE ANSWERS AVAILABLE FROM DECEMBER ONWARDS ONLY IN MY YOUTUBE
https://www.youtube.com/@ravitestpapers/videos
21) _____________is a sexual method of reproduction.
(a) Binary fission (b) Budding (c) Conidia (d) Gametangial contact
22) Vaccination for small pox was discovered by ________________
(a) d' Herelle (b) Edward Jenner (c) Robert Gallo (d) F.W. Twort
WEBSITES PURPOSE CREATED MATERIALS. NOT FOR SALES
23) 1 nanometer = ___________
(a) 109 meter (b) 10-9 meters (c) 108 meters (d) 10-6 meters
24) Size of TMV = ________________
(a) 300 × 200 μ m (b) 30 × 20 μ m (c) 280 × 150 μ m (d) 280 × 40μ m
25) Viruses were classified into seven classes by _______________
(a) David Baltimore (b) Twort (c) Ehrenberg (d) Alexopoulos
26) Identify the criteria not used for classification of viruses.
(a) -ss or -ds (b) Use of RT (c) (+) RNA or (-) RNA (d) Reproduction
27) A virus with ds DNA.
(a) Pappo viruses (b) Reo viruses (c) Adeno viruses (d) Retro viruses
28) TMV has a molecular weight of _____________ Daltons.
(a) 39 × 106 (b) 38 × 105 (c) 39 × 107 (d) 39 × 1010
29) TMV has approximately ________________ capsomeres.
(a) 2030 (b) 2130 (c) 2330 (d) 2000
30) Match the following:
(1) Toga Virus(a) Mottling
(2) TMV (b) Eater of bacteria
(3) Phage (c) Cauliflower Mosaic Virus
(4) Ribo virus (d) ss RNA
(a) (b) (c) (d)
1234 1234 1234 1234
c da b bc da a bc d da bc
31) Identify the sequence involved in lytic life cycle.
(a) Pinning
(b) Maturation
(c) Synthesis
(d) Ghost
(a) ABCD (b) ADCB (c) DACB (d) ACDB
32) Mad cow disease is caused by ______________
(a) Prions (b) Virion (c) Viroid (d) Phage
33) ______________ is considered to be a new kindgom.
(a) Protista (b) Chromista (c) Monera (d) Plantae
34) The classification published in recent times was given by ________________
(a) Carlwoese (b) Ruggero et al (c) Whittaker (d) Copeland
35) Founder of modern Bacteriology _________________
(a) Koch (b) Griffith (c) Lederberg (d) Gram
36) Bacteria was first discovered by a ______________ scientist.
(a) German (b) Dutch (c) French (d) American
37) Identify the correct statement regarding bacterial genome.
(A) Nucleoid
(B) Contains histone
AND SOME IN MY WEBSITES
www.ravitestpapers.com www.ravitestpapers.in
, FREE ANSWERS AVAILABLE FROM DECEMBER ONWARDS ONLY IN MY YOUTUBE
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(C) Linear
(D) Absence of nuclear membrane
(a) A and D (b) A and B (c) C and D (d) All the above
38) _________________ are obligate aerobes.
WEBSITES PURPOSE CREATED MATERIALS. NOT FOR SALES
(a) Streptococcus (b) Clostridium (c) Micrococcus (d) E. Coli
39) Griffith demonstrated Transformation in ________________
(a) 1928 (b) 1930 (c) 1975 (d) 1900
40) Detection of changes in their living place by organisms is called
(a) Interactions (b) Consciousness (c) Autotropic (d) Meterotropic
41) ______________ are superior among all living things as they have an additional
ability of self-consciousness.
(a) Animals (b) Plants (c) Humans (d) Monera
42) Bacteriophage varies in size from ____________
(a) 10-100 nm (b) 1-10 nm (c) 50-500 nm (d) 20-40 nm
43) Viruses that cause diseases in fungi are called ___________
(a) Cyanophages (b) Bacteriophages (c) Lactophages (d) Mycophages
44) Viruses that attack blue green algae or cyanobacteria and cause diseases are called
_________
(a) Bacteriophages (b) Cyanophages (c) Mycophages (d) Lactophages
45) Virus that infects bacteria is called __________
(a) Mycophage (b) Lactophage (c) Bacteriophage (d) Cyanophage
46) The cancer causing viruses are also called ___________
(a) Oncogenic viruses (b) Corona viruses (c) HIV (d) Mycoviruses
47) The term bacteria was first used by __________
(a) Stanley (b) Pasteur (c) Hooke (d) Ehrenberg
48) Bacterial cell wall contains _____________
(a) peptidoglycan (b) glucose (c) flagellin (d) chitin
49) Which Gram negative bacterium caused Duodenal and Gastric ulcers?
(a) Helicobacter Pylori (b) Helicobacter Vibrio (c) E.Coli (d) Haemophillus
50) ______________ is a thermophilic gram negative bacteria.
(a) Rhizobium (b) Salmonella (c) Pseudomonas (d) Thermus aquaticus
51) Which one of the following bacterium can cause crown gall disease in plants?
(a) Bacillus (b) Clostridium (c) Agrobacterium tumefaciens (d) E.Coli
52) Actinomycetes are also called ___________
(a) Ray Fungi (b) Liverworts (c) Hyphae (d) Pileus
53) Extra chromosomal self-replicating DNA segments called
(a) CDNA (b) rDNA (c) Plasmid (d) RNA
54) Which one of the following is a rod-shaped bacteria?
(a) Coccus (b) Bacillus (c) Spirillum (d) Vibrio
55) An example of photoautotrophic bacteria is ___________
(a) Nitrosomonas (b) Nitrobacter (c) Chlorobium (d) Spirillum
56) An example of chemoautotrophic bacteria is ___________
(a) Chlorobium (b) Rhizobium (c) Nitrosomonas (d) Escherichia
57) A bacterial cell is covered by ____________
(a) glycocalyx (b) flagellin (c) chitin (d) peptidoglycan
58) Disease causing organisms are called as ___________
AND SOME IN MY WEBSITES
www.ravitestpapers.com www.ravitestpapers.in
, FREE ANSWERS AVAILABLE FROM DECEMBER ONWARDS ONLY IN MY YOUTUBE
https://www.youtube.com/@ravitestpapers/videos
(a) organisms (b) pathogens (c) recipients (d) decomposers
59) Bacterial photosynthesis differs from higher plants in evolution of ____________.
(a) Oxygen (b) Hydrogen sulphide (c) Hydrogen (d) CO2
60) Who discovered the Transformation process?
WEBSITES PURPOSE CREATED MATERIALS. NOT FOR SALES
(a) Griffith (b) Ehrenberg (c) Pasteur (d) Hooke
61) Which of the following is called 'true bacteria'?
(a) Archaebacteria (b) Eubacteria (c) Methanobacterium (d) Halobacterium
62) Identify the fastest growing cyanobacteria
(a) Halobacterium (b) Methanobacterium (c) Spirulina (d) Thermoprotens
63) Which one of the following organisms completely lacks a cell wall?
(a) Eubacteria (b) Archaebacteria (c) Fungi (d) Mycoplasma
64) Food poisoning is caused by ______________
(a) Yersinia (b) Clostridium (c) Treponema (d) Vibrio
65) ______________ was awarded a Nobel prize for his work on TMV.
(a) Jenner (b) Mayer (c) W.M. Stanley (d) Robert Gallo
66) ______________ shows cuboid symmetry.
(a) TMV (b) Bacteriophage (c) Herpes virus (d) Influenza
67) The base plate of T4 phage has ______________ tail fibres.
(a) 5 (b) 4 (c) 6 (d) 8
68) Lysozyme is secreted by phage during ____________
(a) Adsorption (b) Synthesis (c) Penetration (d) Maturation
69) ______________ is a capnophilic bacteria.
(a) Campylobacter (b) Chlorobium (c) Chromatium (d) Clostridium
70) ____________ is a disease affecting animals.
(a) Scab (b) Anthrax (c) Ring rot (d) Canker
71) __________________ is found in corolloid roots of Cycas.
(a) Dermacarpa (b) Nostoc (c) Scytonema (d) Chara
72) A marine cyanobacterjal species _______________
(a) Trichodesmium (b) Gloeocapsa (c) Nostoc (d) Cycas
73) The organisms isolated from pleural fluid of cattle ______________
(a) Actinomycetes (b) Virus (c) Phage (d) Mycoplasma
74) Nitrogen fixation in non leguminous plants is done by __________________
(a) Rhizobium (b) Alnus (c) Frankia (d) Streptomyces
75) Yellow powder which saved lives of soldiers in world war II was, _____________
(a) Streptomycin (b) Aureomycin (c) Penicillin (d) Bacitracin
76) ______________is considered as founder of mycology.
(a) P.A. Micheli (b) Webster (c) Blackley (d) Ainsworth
77) Spermatization is a sexual mode of reproduction in ________________
(a) Rhizopus (b) Neurospora (c) Ascomycetes (d) Penicillium
78) Sac fungi refers to ________________
(a) Ascomycetes (b) Zygomycetes (c) Basidiomycetes (d) Deuteromycetes
79) Who introduced the Gram staining method?
(a) Bergy (b) Christian Gram (c) Ehrenberg (d) Lederberg
80) The study of Bacteria is called _____________
(a) Virology (b) Mycology (c) Physiology (d) Bacteriology
81) Who discovered plasmid?
AND SOME IN MY WEBSITES
www.ravitestpapers.com www.ravitestpapers.in
