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Biology 9th Class English Medium Online Test MCQs With Answers
Question # 1
Which of the following chambers has the thickest walls in human heart?
Choose an answer
Right atrium
Left atrium
Left ventricle
Right ventricle
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Question # 2
Which of the following is a function of human blood?
Choose an answer
It regulates body temperature
It transports wastes
It provides defence
All of the above
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Question # 3
The process of lubrication & digestion steels in ............... .
Choose an answer
Oral cavity
Phyranx
Oesophagus
Stomach
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Question # 4
Which of the following plastids have chlorophyll and help in photosynthesis?
Choose an answer
Chloroplasts
Leucoplast
Chromoplasts
All of these
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Question # 5
The tentative explanation of the observation is called
Choose an answer
Problem
Hypothesis
Deduction
Result
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Question # 6
The microscopic study of tissues is called.
Choose an answer
Physialogy
Morphology
Histology
Entomology
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Question # 7
Heart diseases are caused by using:
Choose an answer
Saturated fatty acids
Unsaturated fatty acids
Proteins
Too much carbohydrates
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Question # 8
The light reactions of photosynthesis take place on the _____________ of chloroplasts.
Choose an answer
Stroma
Thylakoid membrane
Lumen
Sacs
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Question # 9
Plasmodium was named by:
Choose an answer
Ross
A.F.A.King
Laveran
None
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Question # 10
The clusters of photosynthetic pigments are called:
Choose an answer
Thylakoids
Photosystems
Carotenoids
Chlorophyll a & b
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Question # 11
Which of the following is not a macronutrient?
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Nitrogen
Oxygen
Carbon
Nickel
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Question # 12
Chloroplast is bounded by ................ membrane.
Choose an answer
Single
Double
Triple
None
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Question # 13
When we work hard we suffer form muscle fatigue muscle cells.
Choose an answer
Carry out aerobic respiration and so accumulate more CO
2
Carry out anaerobic respiration and so accumulate lactic acid
Carry out aerobic respiration at faster rate and so accumulate lactic acid
Carry out aerobic respiration at faster rate and so are tired
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