Statement 1: Anaemia is caused when the amount of haemoglobin in the blood increases.
Statement 2: Carcinogens present in tobacco cause lung cancer.

Statement 1 is true and statement 2 is false

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Statement 1 is false and statement 2 is true

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Both the statements are false

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Both the statements are true

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Solution

The correct option is B
Statement 1 is false and statement 2 is true

Anaemia is a condition that develops when our blood lacks enough healthy red blood cells or haemoglobin. Haemoglobin is the main part of red blood cells and binds oxygen. Exposure to asbestos and other cigarette smoke carcinogens are known to cause cancer. Substances such as arsenic, chromium and nickel can also increase the risk of developing lung cancer.

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Statement 1: A blood disease caused by gene mutation is sickle cell anaemia.

Statement 2: It results in the production of sickle-shaped WBCs

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