Which of the following statements about pesticides is true?

a.
pesticides provide plants with essential nutrients.
b.
pesticides prevent the destruction of crops.
c.
pesticides are never harmful to plants.
d.
pesticides are never harmful to animals.

The correct answer is-

b.  Pesticides prevent the destruction of crops.

Pesticides can be described as chemicals, which are primarily are used to control/ kill pest population that can other destroy the crops.

In other words, they are utilized in crop protection against pest such as weeds, insects, and other pests.

For instance, caterpillars, which feed on cabbage crop, are killed using pesticides, leading to high yields and better cabbage quality.

By preventing crops from destruction by pests, these chemicals lead increase  in the crop yields, and the times in one year that a crop could be cultivated on the field.

Thus, option b) is the right answer.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.