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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The branch of biology which deals with the study of environmental relations of organisms is called.
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Morphology
Histology
Parasitology
Ecology
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Question # 2
Water is more viscous than air.
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10 times
20 times
50 times
100 times
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Question # 3
The most abundant carbohydrates in nature is
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Starch
Cellulose
Maltose
Glucose
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Question # 4
Carbon di oxide enters the leaves through.
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epidermis
Cuticle
Stomata
Air space
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Question # 5
In arthropods, blood is colorless, as it is without
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Chlorophyll
Hamoglobin
Hemocyanin
Haemoiry thrin
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Question # 6
The irritant substances of smoke generally cause
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Smoker's hiccough
Smoker's sneeze
Smoker's yawing
Smoker's cough
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Question # 7
The disease is caused by a fungus is.
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Ring worm
Tetanus
Polio
Small pox
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Question # 8
The exchange of gases between the organism and its environment is called.
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Respiration
External respiration
Cellular respiration
Anaerobic respiration
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Question # 9
Animal obtain carbohydrates mainly from.
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Glycogen
Sucrose
Glucose
Starch
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Question # 10
Water potential of pure water is.
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Less than zero
Equal to zero
More than zero
Equal to one
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Question # 11
Cap sonars a substitutes which for an capsid viral These capsomeres are chemically.
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Lipids
Nucleic acid
Paramelitids
Carbohydrates
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Question # 12
At cytokinesis in plants a membrane structure phragmoplast is formed from vesicles which originate from
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Lysosomes
Centrioles
Golgi complex
Glyoxisomes
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Question # 13
Tissue culture and cloning seek help through.
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Mitosis
Meiosis
endomitosis
Karyokinesis
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Question # 14
Darwin's origin of species was published in.
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1840
1859
1865
1890
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Question # 15
Cucumber, tomato, garden pea, maize, cotton are example of.
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Short day plant
Day natural plant
Long day plant
Night natural plant
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Question # 16
A localized group of individuals belonging to the same species is called as.
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Community
Population
Ecosystem
Bio sphere
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Question # 17
Diseases in living organisms caused by parasites are called.
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Infestation
Endoparasites
Disinfestation
Ectoparasites
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Question # 18
The first restriction enzyme was isolated by.
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Kary mulis
Hamilton O smith
Maxam Gilbert
Sanger
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Question # 19
The stand which elongates towards the replication fork is.
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Leading
Lagging
Okazaki
Primer
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Question # 20
The protective coat which surrounds the embryo is known as:
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Amnion
Chorion
Allantosis
Chorio Allantoic
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Question # 21
Unequal separation of chromosomes is called.
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Disjunction
Separation
Non disjunction
Metastasis
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Question # 22
The ultimate source of change is.
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Evolution
Mutation
Genetic drift
Migration
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