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Biology 10th Class English Medium Online Test MCQs With Answers
Question # 1
Total chemicals in tobacco smoke are:
Choose an answer
1000
2000
3000
4000
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Question # 2
Short underground stems surrounded by thick fleshy leaves that contain stored food are called:
Choose an answer
stem tubers
suckers
corms
bulbs
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Question # 3
Copies of chromatids of chromosomes are made through the process called.
Choose an answer
Inheritance
Transcription
Translation
Replication
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Question # 4
The base of food chain is always formed by:
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Producers
Consumers
Decomposrs
Heterotrophs
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Question # 5
Human Insulin was prepared by bacteria first time.
Choose an answer
2002
1990
1970
1978
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Question # 6
Habitat destruction can result in a loss of:
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Species
Population
Community
Ecosystem
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Question # 7
R-3 means.
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Less use
Reuse
Recycle
Refuse
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Question # 8
Which one of the following is not a temporary parasite?
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Mosquito
Virus
Leech
Bed bug
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Question # 9
In man the correct passage of air is:
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nostrils, nasal, cavit, pharynx, trachea, arynxl, bronchi, bronchioles alveolar,duct, aleoli
nostrils, nasal cavity, Pharynx, larynx , bronchi, trachea , bronchioles , alveolar duct, alveoli
Notrils , nasal, cavity, larynx, pharynx, trachea,bronchioles, alveolar, duct alveoli,
Nasal cavity, nostrils, larynx, pharynx, alveoli , trachea bronchi, bronchioles ,alveolar dict ,
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Question # 10
Which is not an advantage of grafting?
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The graft is identical to the parent plant.
Grafting allows the propagation of seedless fruits.
The graft combines the characteristics of two plants.
Grafting may allow for the faster production of desirable fruits.
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Question # 11
In the structure of DNA Adenine of one nucleotide pairs with which of the nitrogenous base opposite nucleotide:
Choose an answer
Guanine
Cytosine
Thymine
Uracil
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Question # 12
The example muciliage excreting plant is:
Choose an answer
keekar
rubber
conifers
lady finger
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Question # 13
The cardiotonic known as digitalis, is obtained from a plant.
Choose an answer
Accacia
Barassica
Mimose
Fox glove
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Question # 14
Cartilage is made up of:
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Matrix
Collagen
Chondrocytes
Ligaments
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Question # 15
The number of axons present in sensory neuron is:
Choose an answer
one
two
three
many
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Question # 16
The utilization of nitrates by organisms is called.
Choose an answer
Nitrification
Ammonification
Assimilation
Denitrification
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Question # 17
Which drugs belong to hallucinogens.
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Morphine
Codeine
Heroin
Mescaline
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Question # 18
The hard outer layer of a bone is called;
Choose an answer
Bone marrow
Hyoid bone
Spongy bone
Compact bone
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