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9th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The thin extensions of the inner mitochondrial membrane are known as ______.
Choose an answer
Cristae
Matrix
Thylakoids
Stroma
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Question # 2
Necrosis is death due to ............ cell damage.
Choose an answer
Unexpected
Accidental
Both a & b
None
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Question # 3
What may be the reason that children need more calcium and iron?
Choose an answer
Both calcium and iron for bones
Both calcium and iron for blood
Calcium for blood and iron for bones
Calcium for bones and iron for blood
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Question # 4
Which organelles have their own DNA?
Choose an answer
Chloroplast
Mitochondria
Both
None
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Question # 5
Rickets develops due to deficiency of _____________ vitamin.
Choose an answer
B
A
D
C
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Question # 6
There are ____________ species of insect's and invertibrates.
Choose an answer
20,700 species
20,750 species
26,700 species
20,800 species
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Question # 7
Lock and key model was proposed by:
Choose an answer
Emil Fischer
Melcher
Koshland
Saugeo
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Question # 8
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 # 9
................. in blood stream plays an important role in blood clotting.
Choose an answer
Calcium
Phosphorus
Nitrogen
Potassium
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Question # 10
Improved the quality of lenses.
Choose an answer
Robert Brown
Robert hooke
Leeuwenhoek
Dolland
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Question # 11
Loss of species makes ecosystem less ____________ and less productive.
Choose an answer
Beneficial
Resilient
Interactive
None of these
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Question # 12
All ............. cells are always performing functions.
Choose an answer
Living
Non-living
Both
None
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Question # 13
The study of molecules of the called.
Choose an answer
Anatomy
Immunology
Physiology
Molecular bilogy
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