NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following can cause cancer?
A
tobacco
B
UV radiation
C
mutations
D
all of the above
E
lifestyle choices as an unhealthy diet and lack of exercise
Explanation: 

Detailed explanation-1: -Cancer is caused by both internal factors (such as inherited mutations, hormones, and immune conditions) and environmental/acquired factors (such as tobacco, diet, radiation, and infectious organisms; Fig.

Detailed explanation-2: -Certain lifestyle choices are known to increase your risk of cancer. Smoking, drinking more than one drink a day for women and up to two drinks a day for men, excessive exposure to the sun or frequent blistering sunburns, being obese, and having unsafe sex can contribute to cancer.

Detailed explanation-3: -Cancer is caused by certain changes to genes, the basic physical units of inheritance. Genes are arranged in long strands of tightly packed DNA called chromosomes. Cancer is a genetic disease-that is, it is caused by changes to genes that control the way our cells function, especially how they grow and divide.

Detailed explanation-4: -Tobacco use, alcohol consumption, unhealthy diet, physical inactivity and air pollution are risk factors for cancer and other noncommunicable diseases. Some chronic infections are risk factors for cancer; this is a particular issue in low-and middle-income countries.

There is 1 question to complete.