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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The volume of the blood in a normal person, plasma constitutes about.
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15%
25%
55%
75%
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Question # 2
When blood leaves the capillary bed most of the carbon dioxide is in the form of
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Carbonate ions
Bicarbonate ions
Hydrogen ions
Hydroxyl ions
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Question # 3
The final product of glycolysis by is
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Citrate
Pyruvate
Fumarate
Malate
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Question # 4
Robert Brown reported the presence of.
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Lysosome
Ribosomes
Mitochondria
Nucleus
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Question # 5
Competitive inhibitors
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Destroy the structure of enzyme
Resemble structurally with substrate
Do occupy active site
Both b and c are correct
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Question # 6
Antibodies are produced from
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Eosinophils
Basophils
Lymphocytes
Monocytes
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Question # 7
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 # 8
Pseudo coelom is characteristics feature of.
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Aschelminthes
Annelida
Mollusca
Profera
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Question # 9
Which of the following vertebrates posses single circuit heart.
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Reptiles
Birds
Mammals
Fishes
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Question # 10
Which is an aerobic bacterium.
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E coli
Spirochete
Campy lobacter
Pseudomonas
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Question # 11
Temperature causes closure of stomata.
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30-40
o
C
30-35
o
C
40-45
o
C
25-35
o
C
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Question # 12
A weed called mouse eared cress is engineering produce a biodegradable plastic called.
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Luciferin
Digitoxin
Polyhydroxy butyrate
Pheylalanine
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Question # 13
Which one of the fllowing acts as a stop codon?
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UGG
UGC
UAG
UGU
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Question # 14
Macaca mulatta is commonly known as
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Rhesus monkey
Chimpanzee
Apes
Gorilla
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Question # 15
Th elateal walls of the chest cavity of man are composed of the:
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Ribs
Intercostals Muscles
Ribs and intercoastal muscles
Ribs ,Intercostals Muscles & diaphragm
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Question # 16
Chromosomal part which uncoils, during inter phase is called.
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Chromatids
Satellite DNA
Euchromatin
Heterochromatin
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Question # 17
Mammalian kidney including human is adapted to conserve water upto.
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69.5%
79.5%
89.5%
99.5%
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Question # 18
CNS is composed of
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Sensory neuron
Associative neuron
Dendrites
Motor neuron
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Question # 19
Which light enhance cell division and retards cell enlargment.
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Red
Green
Blue
Violet
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Question # 20
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 # 21
Oestrus cycle, a reproductive cycle in found in as females except.
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Cat
Cow
Humanin being
Lion
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Question # 22
The clavicle connects scapula with.
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Skull
Sternum
Tibia
Femur
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