This quote means to describe the root of the deprecation of many people to properly conduct an investigation about any subject, and that root is lack of interest. In order to do something right, one must concentrate on that subject alone, ignoring all other distractions, but that can only be achieved if the investigator feels drawn to the subject - meaning they find it interesting.
Lack of interest is what accomplishes to "keep a man in everlasting ignorance...". In the case of ignorance, the investigation might go through, but it will most likely consist of a mindlessly structured compilation of other people's research which the investigator would hardly be able to interpret.
Answer:
A.
Explanation:
Your giving a little girl a toy that belongs in a kitchen which is referring to the widely believed supposition that women belong in the kitchen.
Answer:
To show a contrast
Explanation:
If we look at the statement closely, we will observe that people's idea of the feeding mode of Venus Fly Trap is different from the way the plant actually feeds.
People have the idea that the Venus Fly Trap eats larger animals (meat) whereas it only eats tiny insects. The transition 'despite' as used in the sentence shows a contrast between people's idea of the Venus Fly Trap and its actual feeding mode.