Which Statements Are True

question 15

Multiple Choice

Which statements are true?
i.In thalassemia,globin proteins are produced,but contain a point mutation.
ii.In sickle-cell anaemia,globin proteins are produced,but contain a point mutation.
iii.Sickle-cell anaemia is caused by a mutation in the β-globin gene.
iv.Sickle cell anaemia is caused by a mutation in the α-globin gene.

• A) i,ii
• B) i,iii
• C) ii,iii
• D) i,iv
• E) ii,iv

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Definitions:

Air Pollutant

Substances in the air that can have harmful effects on the health of living creatures or the environment, including gases, particulates, and biological molecules.

Global Warming

The ongoing rise in Earth’s surface temperature, primarily due to the emission of greenhouse gases from human activities, leading to climate change and associated impacts.

Stratosphere

The layer of the Earth's atmosphere located above the troposphere, characterized by a slight temperature increase with altitude and the presence of the ozone layer.

Human Health

Pertains to the holistic state of physical, mental, and social well-being of individuals, not merely the absence of disease or infirmity.