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Biology Life Science Test Easy Mode MCQs With Answers
Question # 1
The breaking of one phosphate bond releases _________ kcal/mol of ATP.
Choose an answer
7.9
7.5
7.1
7.3
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Question # 2
Which of the following does not occur in the oral cavity?
Choose an answer
Lubrication of the food
Beginning of protein digestion
Breaking the food into small fragments
All of the above do occur in the oral cavity
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Question # 3
In plants, _______________ conduct water.
Choose an answer
Xylem
Phloem
Both
None
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Question # 4
Loss of species makes ecosystem less ____________ and less productive.
Choose an answer
Beneficial
Resilient
Interactive
None of these
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Question # 5
There is separation of oxygenated and deoxygenated blood in birds and mammals because:
Choose an answer
The ventricles are completely divided
The ventral aorta is divided into aortic and pulmonary trunk.
The aortic arch is divided into two systemic arches.
None of the above
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Question # 6
The visible portion of sunlight consist of ............... colours.
Choose an answer
Four
Five
Six
Seven
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Question # 7
Which organelles have their own DNA?
Choose an answer
Chloroplast
Mitochondria
Both
None
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Question # 8
To what category of molecules do enzymes belong?
Choose an answer
Carbohydrates
Lipids
Nucleic acids
Proteins
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Question # 9
Cytokinesis in a plant cell is characterized by:
Choose an answer
The equal division of homologous chromosomes
A pinching off of the cell membrane to divide the cell
The formation of a cell plate in the cytoplasm
The movement of the chromosomes from the metaphase plate
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Question # 10
viruses are not affected by ____________
Choose an answer
PH
Acidity
Antibiotics
High temperature
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Question # 11
Nitrogen is present in:
Choose an answer
Carbohydrates
Protein
Nucleic acid
Lipids
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Question # 12
It is an anti-viral protein:
Choose an answer
urokinase
thymosin
insulin
interferon
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Question # 13
in the life cycle of plants how many generations alternate with each other?
Choose an answer
two
four
five
three
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Question # 14
The skeleton found outside the body is called:
Choose an answer
Endoskeleton
Exoskeleton
Hydroskeleton
Fibroskeleton
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Question # 15
The catilage found in intervertibral discs is:
Choose an answer
Hyaline
Fibrous
Matrix
Elastic
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Question # 16
The drugs which is used to reduce the pain are called:
Choose an answer
Analgesics
Antiseptics
Antibiotics
Sedatives
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Question # 17
Cacti are example of:
Choose an answer
Hydrophytes
Xerophytes
Halophytes
None of these
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Question # 18
Vesalius was born in:
Choose an answer
Brussels
London
Birmingham
Sidney
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Question # 19
How many carciogens are present in cigarette smoke?
Choose an answer
40
50
60
70
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Question # 20
It is not a disorder of skeletal muscle:
Choose an answer
arthritis
osteoporosis
tatney
osteo-arthritis
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Question # 21
How many contrasting pairs of characters of pea plant were studied bu mendel?
Choose an answer
one
three
five
seven
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Question # 22
Adenine always pairs with:
Choose an answer
Guanine
Cytosine
Uracil
thymine
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