Biology Past Paper Questions

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Q 51:According to simple classification the human beings class is:
A
Chordata
B
Primates
C
Mammalia
D
Homo
Faisalabad, 2019
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Q 52:An extinct species in Pakistan is:
A
Whale
B
Ibex
C
Markhor
D
Swamp deer
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Q 53:Chlorophyll is present in which component of leaf cells?
A
Stroma
B
Thylakoid
C
Plasma membrane
D
Cytoplasm
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Q 54:Gas exchange in gills and lungs occur by which process?
A
Osmosis
B
Facilitated diffusion
C
Diffusion
D
Active transport
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Q 55:Ground tissues are made of which cells?
A
Parenchyma
B
Vessel elements
C
Tracheids
D
Sieve tubes
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Q 56:It can enter into Krebs cycle:
A
Glucose
B
Pyruvic acid
C
Citric acid
D
Acetyl Coenzyme-A
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Q 57:It is an example of macronutrients:
A
Iron
B
Boron
C
Chlorine
D
Oxygen
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Q 58:Outside the conducting tissues, there is a narrow layer of thin-walled cells, which is called:
A
Pericycle
B
Endodermis
C
Xylem
D
Phloem
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Q 59:Prokaryotic cells undergo a process of cell division which is called:
A
Meiosis
B
Multiple fission
C
Binary fission
D
budding
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Q 60:Starch is broken down by an enzyme which is called:
A
Lipase
B
Protease
C
Amylase
D
Glutaminase
Faisalabad, 2019
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Total MCQs: 1434Page 6 of 144
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