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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Robert Brown reported the presence of.
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Lysosome
Ribosomes
Mitochondria
Nucleus
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Question # 2
Which one of the following is not a ciliate
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Stentor
Trypanosoma
Vortecella
Parameclum
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Question # 3
A group of living organisms of the same species located in the same place and time is called.
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Community
Population
Induvial
Biome
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Question # 4
Prosthetic group is
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Covalenty bonded non-protein part of an enzyme
Loosely bonded non-proteins part of an enzyme
Co-factor consists of metal ions
None of these
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Question # 5
Which of the following is not presenting protists.
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Flagella
Embryo
Cilla
None of these
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Question # 6
Syrinx is an organ of voice in.
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Amphibians
Birds
Mammals
Reptiles
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Question # 7
One of the most unusual protest phyla is that of.
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Zooflagellates
Euglenoids
Dinoflagellates
Apicomplexa
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Question # 8
The polyp is reduced and medusa is dominant in
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Actinia
Aurelia
Oblelia
Madreporite
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Question # 9
Which is an aerobic bacterium.
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E coli
Spirochete
Campy lobacter
Pseudomonas
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Question # 10
Parotid salivary glands are situated in the front of.
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Jaws
Ears
Tongue
Eyes
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Question # 11
Induced fit model was proposed by.
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Emil Fischer
Pasteur
Jenner
Koshland
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Question # 12
The laptotene and zygotene lasts for.
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Few hours
Few days
Few weeks
Few years
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Question # 13
The pigment free area that appears at the time of fertilization is called.
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embryo
Gray crescent
Yolk
White cytoplasm
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Question # 14
Urea is detoxified form of____ in the urea cycle which can be retained in the body.
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Ammonia
Nitrogen
Uric Acid
CO2
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Question # 15
When the human blood leaves the capillary bed of the tissue, most of the carbon dioxide is inthe form of:
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Carbonic acid
Bicarbonate ions
Carboxylic acids
None of them
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Question # 16
Unequal separation of chromosomes is called.
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Disjunction
Separation
Non disjunction
Metastasis
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Question # 17
Nissl's granules are group of.
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Mesosomes
Lysosomes
Ribosomes
chromosomes
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Question # 18
Archaebacteria tolerate temperatures up to
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10
o
C
40
o
C
67
o
C
120
o
C
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Question # 19
Walter Fleming first discovered chromosomes in the dividing cells of.
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Frog larvae
Sea urchin larvae
Insect larvae
Salamander larvae
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Question # 20
Which one is not a mesophyte.
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Brassica
Mango
Rose
Cacti
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Question # 21
Tetany is disease caused by.
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Low calcium in blood
Low sugar blood
Low Vit. d in blood
High calcium in blood
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Question # 22
In hershey & chase experiment, 32p labeled bacteriophages allowed to infect the becteria.During analysis 32 p activity wa detected:
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In culture medium
On the surface of becterial cell
Inside the becteiral cell
Both a and B
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