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Biology 9th Class English Medium Online Test MCQs With Answers
Question # 1
Almost all enzymes are:
Choose an answer
Carbohydrates
Fatty acids
Proteins
Vitamins
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Question # 2
Nucleus is visible only in:
Choose an answer
Prophase
Interphase
Anaphase
Metaphase
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Question # 3
Stomata close when the guard cells:
Choose an answer
Lose water
Gain chloride ions
Become turgid
Gain potassium ions
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Question # 4
In sparrows malaria is spread by
Choose an answer
Culex mosquito
Anopheles mosquito
Marshy areas
Any mosquito
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Question # 5
The scientific study of plants is called.
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Anatomy
Botany
Microbiolgy
Zoology
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Question # 6
The process of cellular ingestion of bulky materials by infolding of cell membrane is called:
Choose an answer
Exocytosis
Endocytosis
Karyokinesis
None of these
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Question # 7
Which of the following protein takes in part in blood clotting:
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Albumin
Prothrombin
Fibrinogen
Fibrin
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Question # 8
The_______is the membrane enclosed structure in eukaryotic cells that contains the DNA of the cell.
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Mitochondria
Chloroplast
Nucleolus
Nucleus
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Question # 9
The clusters of photosynthetic pigments are called:
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Thylakoids
Photosystems
Carotenoids
Chlorophyll a & b
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Question # 10
When chemical bound broken energy is .............. .
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Released
Formed
Both
None of them
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Question # 11
The membrane of vacuole is called:
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Tonoplast
Protoplast
Chloroplast
Nucleoplast
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Question # 12
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 # 13
The kinds of plants found in earth :
Choose an answer
0.1 million
0.3 million
0.5 million
1.0 million
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