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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The bio element which account for 99% of the total mass in the human's body are .
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Four
Three
Six
Eight
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Question # 2
Cuticular transpiration takes places at.
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Morning
Noon
Evening
Night
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Question # 3
In______ leaves the stomata are confined to only the lower epidermis
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Isobilateral
Dorsiventral
Both a and b
None of these
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Question # 4
A liter of H2O contains ml of oxygen.
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10
20
30
40
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Question # 5
Bacterial membrane also contain enzyme for
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Respiration
Photosynthesis
Protein synthesis
None of the above
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Question # 6
Number of amino acids in each turn of a helix. is.
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3.6
4.6
5.6
6.6
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Question # 7
The structure involved in guttation are.
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Cuticle
Hydathodes
Lenticle
Stomata
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Question # 8
Hepatitis is an inflammation if.
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Stomach
Pancreas
Liver
Kidney
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Question # 9
Magnesium is an important nutrient ion in green plant as it is an essential component of
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Cell sap
Protean
chlorophyll
Glucose
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Question # 10
The largest invertebrate is.
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Earth worm
Star fish
Giant squid
Ascarus
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Question # 11
Cisternae are associated with
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Mitochondria
Chloroplast
ER
Nucleus
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Question # 12
Blue cone monochrome may is an X linked trait is which.
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Red cone cells are absent
Green cone cells are absent
Both red and green cone cells are absent
Blue cone cells are absent
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Question # 13
Most efficient way of supporting the body is seen.
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Fishes
Aves
Reptiles
Mammals
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Question # 14
Each nuclear power station only can last for about
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10 years
20 years
30 years
40 years
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Question # 15
Different alleles of a gene that are both expressed in heterozygous condition are called.
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codominant
Over dominant
Complete dominant
Incomplete dominant
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Question # 16
median lobe of pituitary gland secretes hormone.
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Gonadotrophic hormone
Melanophore stimulating hormone
antidiuretic hormone
Somatotrophin
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Question # 17
The most toxic substance routinely found in the blood are metabolities of what type of molecule?
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Proteins
Carbohydrates
Nucleic acids
Fats
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Question # 18
The leaf unrolling is promoted by red light in.
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Monocot
Dicot
Ferns
Gymnosperm
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Question # 19
The excretory product that requires maximum water for its removal is.
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Ammonia
Creatinine
Urea
Uric acid
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Question # 20
Buoyancy in the water is maintained by a specialized structure in bony fish called
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Fins
Swim bladder
Tail
Both a & c
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Question # 21
The spread of tumor cells and establishment of secondary area of growth is known as.
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Necrosis
Apoptosis
Metastasis
Epigenesis
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Question # 22
In the eighteenth century organisms were classified by
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Charles Darwin
Alfred Wallace
Carolus Linnaeus
J.B Lamarck
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