IPMAT Indore 2022 · Verbal Ability · Question 44

IPMAT Indore 2022 previous year question on RC Inference Questions, with the answer and a step-by-step solution.

RC Inference QuestionsReading Comprehension - Question TypesMultiple choiceMedium

RC passage 2: Passage 2 – Edward Jenner and the first vaccinations — this question belongs to a set. Read the full set with all 6 questions →

Read the following passage and choose the answer that is closest to each of the questions that are based on the passage.

On the 14th of May 1796, vaccine matter was taken from the hand of a dairy maid, Sarah Nelmes, and inserted by two superficial incisions in the arms of James Phipps, a healthy boy of about eight years of age. The boy went through an attack of cowpox as expected. After this, however, it was necessary to determine whether he was protected from smallpox. After waiting two months Jenner inoculated him with material from a smallpox patient. He was delighted to note that the boy was not affected by smallpox.

By 1798, Jenner had succeeded in demonstrating the protective quality of the cowpox virus against smallpox, by putting on record details of 23 cases, contracted either casually or by direct inoculation. Sixteen of these had occurred accidentally among dairy workers in the course of occupations connected with cows and horses; the rest were done under Jenner’s direction. Among the persons inoculated was Jenner’s own little second son, Robert Harding Jenner, an infant eleven months old. Jenner demonstrated conclusively that the cowpox protects the human constitution from the infection of smallpox.

After Dr. Jenner had made his tests, he prepared a pamphlet for publication. He also went to London, so that he might have the opportunity to introduce the subject personally to friends and demonstrate the truth of his assertion to them. He remained in London for nearly three months without being able to find anyone who would submit to vaccination. Jenner went back to Gloucestershire, disappointed. It happened, however, that soon after his return home, a distinguished London surgeon named Cline resolved to make a trial of the vaccine material which Jenner had left with his friends.

The patient was a child suffering from a form of chronic hip-joint disease. The vaccine material was inoculated, and the vaccine vehicle ran rather a normal course and healed fully. The little patient was afterward inoculated with smallpox virus and found to be incapable of acquiring that disease. This case attracted considerable attention. The child was in a run-down condition, and the vaccine material might very well have provoked a rather serious local reaction. In a way, the fate of vaccination hung in the balance and good luck was in its favour. Mr. Cline, however, after this, became a strong advocate of vaccination, and brought it very decidedly before the London physicians.

It was not long before the opposition to the practice of vaccination took definite form. One of the best-known London physicians of the time, Dr. Ingenhouz, became the leader of a strong faction of the medical profession of London, who not only would have nothing to do with vaccination, but proclaimed openly that it was a dangerous innovation, absolutely unjustifiable, and communicated a disease without protecting against any other. Dr. Watt from Glasgow blamed the vaccine for the increase in severe cases of measles and measles-related deaths among children.

Fortunately, only a few colleagues were so illogical, and an excellent idea of how much Jenner’s discovery was appreciated by his contemporaries may be obtained from the number of honours, diplomas, addresses and communications from public bodies and distinguished individuals which he received. Most of the prominent medical and scientific societies of Europe elected him a member or sent him some special token of recognition.

Twenty-three cases were put on record with the objective to explain very clearly that
  1. A
    the cowpox vaccine protected the patients from another deadly disease.
  2. B
    Dr. Jenner was ready to go to any extent, even testing the vaccine on his own son.
  3. C
    accidental contraction of cowpox happens among dairy workers.
  4. D
    it is beneficial to immunity if we work with cows and horses.
Pick an option, then check.
Answer & solution

Answer: Option A

Where the passage says it. Paragraph 2 states the purpose of the record explicitly:

“By 1798, Jenner had succeeded in demonstrating the protective quality of the cowpox virus against smallpox, by putting on record details of 23 cases… Jenner demonstrated conclusively that the cowpox protects the human constitution from the infection of smallpox.”

The objective was to show that cowpox protects against smallpox — another disease. That is option (a).

Why the others fail:

(b) His son’s inoculation is one case among the 23, mentioned as a detail. The purpose of the record was scientific demonstration, not a display of personal commitment.

(c) Accidental contraction among dairy workers describes how sixteen of the cases arose — the method of acquiring the sample, not the point being proved.

(d) Reverses the logic. The protection comes from cowpox infection, not from the occupation; working with animals merely made accidental exposure likely.

Answer: Option 1

Shortcut. The stem asks for an objective, so look for a purpose verb — “demonstrating”, “to show”, “to prove”. The passage supplies two in the same paragraph, both saying the same thing: cowpox protects against smallpox.

Options (b) and (c) are both true statements lifted from the passage, which is what makes them dangerous. But a true detail is not an objective. Separate what the record contained from what it was meant to prove — only the latter answers this question.

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