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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Oxygen released during photosynthesis comes from.
Choose an answer
Nitrates
Carbon di oxide
Water
Glucose
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Question # 2
The volume of air taken inside the lungs and expelled during exercise is about
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2.5 liters
3.5 liters
4.5 liters
1.5 liters
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Question # 3
Chimpanzee had the chromosomes
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48
46
36
12
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Question # 4
Double fertilization is a characteristic of.
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Bryophytes
Gymnosperms
Angiosperms
Mosses
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Question # 5
The technology used for achieving eugenic aim
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Gene therapy
Radiotherapy
chemotherapy
Cloning
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Question # 6
One of the most unusual protest phyla is that of.
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Zooflagellates
Euglenoids
Dinoflagellates
Apicomplexa
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Question # 7
Lytic cycle completion occurs about
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15 min
25 Min
35 Min
05 Min
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Question # 8
When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and
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Acetyl CoA
Ethyl alcohol
Lactate
Pyruvate
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Question # 9
E-coli of fungi are the
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Rusts
Brown mold
Green mold
Yeasts
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Question # 10
In the peroxisomes the glycolate is converted into
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Serine
Ethanolamine
Glycine
CO
2
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Question # 11
Daily rhythmic opening and closing of stomata is.
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Internal clock
External clock
Both internal and external clock
None of these
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Question # 12
80% haemophiliacs suffer from haemophilia A due to abnormality of factor
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VIII
IX
X
XI
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Question # 13
The productivity of aquatic ecosystem is determined by light and
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CO2
Temperature
Nutrients
Water
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Question # 14
The union of meiotically produced specialized sex cells from each parents produce
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Fertilized egg
Unfertilized egg
Zygote
Both a & c
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Question # 15
Pinus wallichiana pinus roxbugil Abies pindrow picea smithiana Cederous deodara are plants of
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Coniferous alpine and boreal forests
Temperate deciduous forests
Tropical rain forests
Grassland ecosystem
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Question # 16
Jean Baptiste Lamarck published his theory of evolution in
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1757
1809
1859
1945
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Question # 17
Chromosomes appear inside the nucleus at the time of.
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Cell division
Cell maturation
Cell elongation
Cell differentiation
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Question # 18
Germinating pollen grain is a rich source of
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Gibberellins
Auxins
Cytokinin
Ethene
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Question # 19
Limetic phytoplankton include the.
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Bacteria
Cyanobacteria
Fishes
Mouses
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Question # 20
The sites where nerve impulse is transmitted from the nerve endings to the skeleton muscle cell membranes are the:
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Neucromuscular junctions
Sarcomeres
Myofilaments
Z discs
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Question # 21
In tropical and subtropical grassland rain reaches about
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1500 mm
2000 mm
2500 mm
3000 mm
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Question # 22
Urine is preferable vehicle for a biotechnology product than.
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Plama
Blood
Milk
Tissue fluid
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