Questions

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
To put a spoke in one's wheel

Beryl is an ore/mineral of

A passage with three blanks, followed by five options, each containing one word, is given. Choose the word that can fill all the three blanks.
The ability of humans to ___________ the landscape and recognize the consequences of doing so puts us in a peculiar position. There are several animals on earth that show this same kind of intelligence. Some animals have extensions to ___________ their environment and some do not. As a species we are assigned the duty to provide and proliferate. Our goal is to achieve stability for ourselves and our kin. However, we also have an obligation to maintain the environment, as we depend on the resources and services it provides. The question then becomes:
what is our role in nature? Do we have the right to _________ the land, factory farm animals, and pollute waterways? Or do we have an obligation to reduce our numbers and merely subsist? In order to answer these questions, we must rely on our knowledge of Earth, evolution, and our influence on the environment.

Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.

Who discovered electron?

Who Invented Post-it note?

Who Invented Lawnmower?

Robert Hooke discovered cells by observing them in a ______.