Biology Past Paper Questions

Q 821:The purpose of the rib cage is:
A
Protection of stomach
B
Protection of heat and lungs
C
Protection of spinal cord
D
Protection of pharynx
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Q 822:The root is formed from the part of the embryo.
A
Hilum
B
Radicle
C
Plumule
D
Epicotyl
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Q 823:The unit of nervous system is:
A
Bowman's capsule
B
Nephrons
C
Alveolus
D
Neuron
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Q 824:There is a scar on seed coat where the seed is attached to ovary wall is called:
A
Radicle
B
Hilum
C
Plumule
D
Epicotyl
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Q 825:These are the unit of inheritance
A
Genes
B
Alleles
C
Phenotypes
D
Genotype
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Q 826:This group includes mescaline and psilocin
A
Sedatives
B
Narcotics
C
Hallucinogens
D
Vaccines
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Q 827:The scientific study of living organism is called.
A
Chemistry
B
Biotechnology
C
Geology
D
Biology
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Q 828:The tentative explanation of observations is called.
A
Experiments
B
Theory
C
Hypothesis
D
Deduction
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Q 829:The thin extensions of inner membrane of mitochondria are called
A
Thylakoids
B
Stroma
C
Matrix
D
Cristae
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Q 830:The transpiration is regulated by:
A
Mesophyll cells
B
Guard cells
C
Xylem cells
D
Phloem cells
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Total MCQs: 1434Page 83 of 144