Answer:
The given statement is False.
Human health is affected by the environment limiting factors. The limiting factors like food, water and some other resources are responsible for the human health and hygiene. The both the biotic and abiotic factors are responsible for the human health.
Antibiotics are usually derived from bacteria.
Genetic engineering is applied to techniques like DNA cloning in which the steps are: step 1: DNA cutting from the parent source; step 2: DNA cut is pasted into the matrix to be modified; step 3: matrix is introduced to the host cell and step 4, vector DNA is isolated. Answer then is B.
