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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
In human stomach HCl is secreted by.
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Oxyntic cells
Chief cells
Mucous cells
Zymogenic cells
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Question # 2
Syrinx is a
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Organ of voice in mammals
Organ of voice in birds
Copulatory organ in birds
Seuse organs in birds
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Question # 3
Metals is ions are related to.
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Co enzymes
Vitamins
Co factors
Substrate
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Question # 4
Pyruvic acid the end product of glycolysis before entering the krebs cycle is changed into a two carbon compound.
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Citric acid
Acetic acid
succinic acid
None of these
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Question # 5
Discharge of blood from blood vessel is called as
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Stroke
Heart Attack
Hemorrhage
thromobosis
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Question # 6
Golgi apparatus is concerned with cell.
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Division
Lysis
Secretion
Storage
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Question # 7
Algae in which body is differentiated into blades, stipes, and holdfast belong to
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Golden algae
Diatoms
Kelps
Euglenoids
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Question # 8
Rhizopus belong to the phylum.
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Ascomycota
Basidiomycota
Zygomycota
Deuteromycota
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Question # 9
The loss of water through hydathodes in leaves is called.
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Transpiration
Bleeding
Imbibition
Guttation
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Question # 10
The animal which feed on organic debris are
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Herbivores
Carnivores
Omnivores
Detrivores
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Question # 11
Covalently bonded non protein part is called.
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Co factor
Activator
Prosthetic group
Co enzyme
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Question # 12
Soyabean is an example of plants.
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Short day
Long day
Dary neutral
Day independent
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Question # 13
Percentage of its recombination frequency.
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20
40
60
80
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Question # 14
RH blood group system is named after.
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Discoverer
Rhesus monkey
Rhinoceros
a patient
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Question # 15
Two parents, each of blood groups A, have a daughter of blood group O. what is the probality that their next child who has blood gorup O?
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0.125
0.25
0.50
0.75
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Question # 16
Northern coniferous forest are called.
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Alpine
Boreal
Taiqa
Prairles
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Question # 17
Reptiles and birds are.
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Viviparous
Ovlparous
Marsupial
Ovoviviparous
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Question # 18
The remodeling of bone is a function of which cells?
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Chondrocytes and asteocytes
Osteoblasts and osteoclasts
Chondroblasts and osteoclasts
Chondroblasts and osteocytes
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Question # 19
Galls are growth on a plant that are induced by
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Ticks
Protozoons
Parasites
Fungi
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Question # 20
The abiotic component of an ecosystem is.
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Temperature
Producer
Consumer
Decomposer
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Question # 21
First essential phenomenon of meiosis i.e pairing of homologous Chromosomes called synapsis starts in
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Leptotene
Zygotene
Pachytene
Diplotene
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Question # 22
Once nitrate enters the plant cell it is reduced to.
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Nitrite
Ammonia
Carbohydrate
Proteins
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