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SSC CHSL 2021 PYQ — Question 35

SSC CHSL - 12 April 2021 - Shift 3 • General Awareness • Q35

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Comprehension:
In the following passage, some words have been deleted. Select the most appropriate option
to fill in each blank.
In the 19th century, there was an industrial revolution in Europe. As a result, millions of people
left the (1) ______ and went to work in big factories in cities. Today, it is the reverse. In several
major cities, people have started moving out. Why? They want a cleaner, (2) ______
environment. There are fewer jobs in ‘heavy’ industries like steel and power generation. (3)
______, there are more jobs in service industries like banking, tourism and food delivery.
Besides, modern transport and communications have made it easier for people to (4) ______
to work or even work from home. The result of this revolution in the 21st century will be
‘spread cities’ – cities are growing fast, but (5) ______, away from city centres and people are
choosing to live 40, 50 or 60 kilometres away.

The enzyme-linked immunosorbent assay is a technique used in the detection of which of the following diseases?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. Acquired immunodeficiency syndrome (AIDS).

  • Enzyme-linked immunosorbent assay (ELISA) is a labeled immunoassay that is considered the gold standard of immunoassays.
  • It is a commonly used laboratory test to detect antibodies in the blood.
  • This immunological test is used to detect and quantify substances, including antibodies, antigens, proteins, glycoproteins, and hormones.