Answer: Option B) Ovarian cancer
Explanation:
Just as breast and cervical cancer, ovarian cancer is exclusive to female humans.
Since, Mrs. Payne is a female, hence her ovaries should be screened for any cancerous growth.
Thus, Ovarian cancer is the answer
A cancer causing gene is caused by a mutation in a gene.
The correct answer is (2) - Stratosphere.
Ozone is found in the stratosphere , a layer beginning between 6 and 10 miles above the earth's surface and extends upward to about 30 mile above the surface of he earth.
The ozone that is found in the stratosphere absorbs most of he harmful ultraviolet sunlight and is thus called the "good ozone"
Ozone is also found in the lower region of the atmosphere known as the troposphere. But the ozone here strongly reacts with molecules causing toxicity in plants. The ozone is therefore termed as "bad ozone."
Prokaryotic cells are simple, ancient cells without a nucleus. Eukaryotic cells are more complex and have a nucleus.
