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BIOLOGY M.C.Q (1 Marks)

PART - 1 - Unit I : CH - 2 Biological Classification · Gujarat Board (GSEB) STD 11 Science (GSEB - English Medium). 36 questions.

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M.C.Q (1 Marks)

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36 questions · auto-graded multiple-choice test.

MCQ 11 Mark
Capable of infecting infected tobacco plants. The juice of a healthy tobacco plant is also said by:
  • ✓
    M.W. Beijerinck
  • B
    E.C. Stakeman
  • C
    A.K. Smith
  • D
    Ivanovsky
Answer
Correct option: A.
M.W. Beijerinck
A
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MCQ 21 Mark
Potato spindle tuber disease is caused by:
  • A
    Virus
  • ✓
    Viroid
  • C
    Plasmid
  • D
    None of these
Answer
Correct option: B.
Viroid
B
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MCQ 31 Mark
What name did M.W. Beijerinck give to the liquid?
  • A
    Kazenium pisum fluidum
  • ✓
    Contagium vivum fluidum
  • C
    Contagium visum fluoride
  • D
    Cazenium tinum fluid
Answer
Correct option: B.
Contagium vivum fluidum
B
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MCQ 41 Mark
In which group is the most nutritional diversity found?
  • A
    Fungi
  • B
    Animalia
  • ✓
    Monera
  • D
    Planty
Answer
Correct option: C.
Monera
C
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MCQ 51 Mark
Cyanobacteria are also known by which other name?
  • A
    Protist
  • B
    Golden algae
  • C
    Smut fungus
  • ✓
    Blue-green algae
Answer
Correct option: D.
Blue-green algae
D
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MCQ 61 Mark
The pathogen Microsporum is responsible for ringworm disease (ringworm) in humans. It belongs to which organism's same kingdom?
  • A
    Ascaris, roundworm
  • B
    Tinea, tapeworm
  • C
    Vaucheria, filarial worm
  • ✓
    Rhizopus, mould
Answer
Correct option: D.
Rhizopus, mould
D
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MCQ 71 Mark
Which of the following fungi are hallucinogenic?
  • A
    Morcella esculentia
  • ✓
    Amanita muscaria
  • C
    Neurospora species
  • D
    Ustilago species
Answer
Correct option: B.
Amanita muscaria
B
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MCQ 91 Mark
T.O. Diner had discovered a :
  • A
    Bacteriophage
  • B
    Free infectious DNA
  • ✓
    Free infectious RNA
  • D
    Infectious protein
Answer
Correct option: C.
Free infectious RNA
C
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MCQ 101 Mark
Due to diatom soil being granular, this soil is used for:
  • ✓
    In filtration of syrup
  • B
    In filtration of food
  • C
    In the filtration of oxygen
  • D
    In the filtration of $CO _2$
Answer
Correct option: A.
In filtration of syrup
A
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MCQ 111 Mark
Heterotrophic bacteria are important because :
  • A
    Curd is made from milk.
  • B
    Produce antibiotics.
  • C
    Legumes help in nitrogen fixation in the roots of plants.
  • ✓
    All of the above
Answer
Correct option: D.
All of the above
D
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MCQ 121 Mark
The archaebacteria found in hot springs are :
  • A
    Halophiles
  • ✓
    Thermoacidophiles
  • C
    Methanogens
  • D
    All of these
Answer
Correct option: B.
Thermoacidophiles
B
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MCQ 131 Mark
Halophiles archaebacteria are found in :
  • ✓
    In highly salty water
  • B
    In extreme temperatures
  • C
    In the rumen of animals
  • D
    In extreme swamps
Answer
Correct option: A.
In highly salty water
A
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MCQ 141 Mark
Methanogens are found in the intestine of which of the following animals?
  • A
    In fishes
  • B
    In frog
  • ✓
    In cows
  • D
    In reptiles
Answer
Correct option: C.
In cows
C
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MCQ 151 Mark
Bacteria are found :
  • A
    In hot water springs
  • B
    In the desert
  • C
    In the snow
  • ✓
    All of the above
Answer
Correct option: D.
All of the above
D
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MCQ 161 Mark
Among the animals of kingdom Monera mode of nutrition is :
  • ✓
    Autotrophic
  • B
    Host
  • C
    Saprotroph
  • D
    None of these
Answer
Correct option: A.
Autotrophic
A
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MCQ 171 Mark
The component of fungus is called :
  • A
    Phycobiont
  • ✓
    Mycobiont
  • C
    Mycoplasma
  • D
    Smut fungus
Answer
Correct option: B.
Mycobiont
B
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MCQ 181 Mark
Which of the following is a discase not caused by virus?
  • A
    Herpes
  • B
    Smallpox
  • ✓
    Malaria
  • D
    Mumps
Answer
Correct option: C.
Malaria
C
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MCQ 191 Mark
In what blue-green algae are included?
  • A
    In bryophyte
  • ✓
    In prokaryote
  • C
    In protista
  • D
    In fungi
Answer
Correct option: B.
In prokaryote
B
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MCQ 201 Mark
What name is given to the envelope of the virus?
  • A
    Virion
  • B
    Nucleoprotein
  • C
    Core
  • ✓
    Capsid
Answer
Correct option: D.
Capsid
D
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MCQ 211 Mark
The gene of Tobacco Mosaic Virus (TMV) is :
  • A
    Two-stranded RNA
  • ✓
    One-stranded RNA
  • C
    Polyribonucleotide
  • D
    Made of protein
Answer
Correct option: B.
One-stranded RNA
B
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MCQ 221 Mark
Which of the following is a bread fungus?
  • ✓
    Rhizopus
  • B
    Albugo
  • C
    Puccinia
  • D
    None of these
Answer
Correct option: A.
Rhizopus
A
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MCQ 231 Mark
Which of the following groups of animals lack sexual organs?
  • A
    Amoebic protozoa
  • B
    Flagellate protozoa
  • ✓
    Sporozoa
  • D
    Ciliated protozoa
Answer
Correct option: C.
Sporozoa
C
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MCQ 241 Mark
Where is Entamoeba histolytica found in our body?
  • A
    In the stomach
  • B
    In saliva
  • ✓
    In the intestine
  • D
    In the rectum
Answer
Correct option: C.
In the intestine
C
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MCQ 251 Mark
Which of the following creatures exhibits characteristics of both animals and plants?
  • A
    Paramoectum
  • B
    Plasmodium
  • ✓
    Euglena
  • D
    Trypanosoma
Answer
Correct option: C.
Euglena
C
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MCQ 261 Mark
The entire body of Euglena is covered by an elastic cover, it is called :
  • A
    Cell wall
  • ✓
    Pellicle
  • C
    Tonoplast
  • D
    Plasmodesmata
Answer
Correct option: B.
Pellicle
B
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MCQ 271 Mark
Virus means :
  • ✓
    Poisonous liquid
  • B
    Sweet liquid
  • C
    Bitter liquid
  • D
    Salty liquid
Answer
Correct option: A.
Poisonous liquid
A
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MCQ 281 Mark
The class of fungi growing on animal excreta is :
  • A
    Phycomycetes
  • B
    Basidiomycetes
  • C
    Deuteromycetes
  • ✓
    Ascomycetes
Answer
Correct option: D.
Ascomycetes
D
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MCQ 291 Mark
Fusion of protoplasm of motile or non-motile gametes is called:
  • A
    Parthenogenesis
  • ✓
    Plasmogamy
  • C
    Center fusion
  • D
    Asexual reproduction
Answer
Correct option: B.
Plasmogamy
B
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MCQ 301 Mark
The cause of rust discase in wheat is :
  • A
    Penicillium
  • ✓
    Puccinia
  • C
    Albugo
  • D
    Yeast
Answer
Correct option: B.
Puccinia
B
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MCQ 331 Mark
Which of the following cell walls form two thin overlapping shells, which fit together as in a soap box?
  • A
    Gonialax
  • B
    Euglena
  • ✓
    Diatom
  • D
    Entamoeba
Answer
Correct option: C.
Diatom
C
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MCQ 341 Mark
All unicellular eukaryotes are classified as :
  • ✓
    Protista
  • B
    Chrysophyte
  • C
    Dinoflagellate
  • D
    Phycomycetes
Answer
Correct option: A.
Protista
A
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MCQ 351 Mark
The smallest living cell among the following is :
  • A
    Bacteria
  • ✓
    Mycoplasma
  • C
    Euglena
  • D
    Amoeba
Answer
Correct option: B.
Mycoplasma
B
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MCQ 361 Mark
Who first uses scientific criteria for classification of organisms?
  • ✓
    Aristotle
  • B
    Charles Darwin
  • C
    Linnacus
  • D
    Robert Brown
Answer
Correct option: A.
Aristotle
A
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