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Biology 9th Class English Medium Online Test MCQs With Answers
Question # 1
That gave the name protoplasm to the cell contents.
Choose an answer
Robert brown
Jan Evangelista Purkyne
Scheiden
Schwann
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Question # 2
Fungi cannot be placed in plantae kingdom because:
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Fungi lack cell wall
Fungi lack root, stem and leave
Fungi lack chlorophyll
Fungi do not store food
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Question # 3
Trypsin works at the PH of:
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2
4
8
6
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Question # 4
Scientific name of pea plant is.
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Dilbergia Sisso
Pisum indicum
Homosaplens
pisum Sativum
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Question # 5
Biodiversity means :
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Variety with in a species
Variety among the species
Variety within a species and among the species
None of these
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Question # 6
The mitochondrion functions in:
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Lipid storage
Protein synthesis
Photosynthesis
Cellular respiration
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Question # 7
Who published important work on plants classification?
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John Ray
Andrea Caesalpino
Tournefort
Agustus Rivinu
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Question # 8
Anton Van Leeuwenhoek was ............... scientist.
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English
Dutch
French
German
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Question # 9
When stomatal opening reduce in sixe, the rate of transpiration ............... .
Choose an answer
Transpiration
Transcription
Translation
Allof above
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Question # 10
According to pressure flow mechanism which is the actual force behind the movement of food in phloem?
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Drop in the pressure at the sink end
Gain of water at the sink end
Osmotic pressure
All of these
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Question # 11
What is the effect of change in pH?
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Digradation of amino acids at active sites
Ionization of amino acids at active sites
Formation of new amino acids at active sites
All of these
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Question # 12
There areas where living organisms interct with non -livnig components of the environment are called.
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Population
Community
Ecosystem
Species
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Question # 13
To what category of molecules do enzymes belong?
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Carbohydrates
Lipids
Nucleic acids
Proteins
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