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Question

The horse has played a little known but very important role in the field of medicine. Horses were injected with toxins of diseases until their blood built up immunities. Then a serum was made from their blood. Serums to fight with diphtheria and tetanus were developed this way. 

It can be inferred from the passage, that horses were

The correct answer is
given immunity to diseases

Understanding Horse's Role in Medical Immunity

The passage explains a specific process used in medicine involving horses:

  • Horses were injected with toxins from specific diseases.
  • This injection process caused their blood to develop immunities.
  • A serum, a form of passive immunity, was then created using the horses' blood.
  • This method was used to develop serums for diseases like diphtheria and tetanus.

Inferring Horse's Condition

Based on the text, the injection of toxins was done specifically until their blood built up immunities. This directly means the process gave the horses immunity to the diseases targeted by the toxins.

Let's analyze the options:

  • Option 1: given immunity to diseases - This aligns perfectly with the passage's description of building up immunities through toxin injection.
  • Option 2: generally quite immune to diseases - The passage implies immunity was acquired through the process, not a pre-existing general state.
  • Option 3: given medicines to fight toxins - Horses were given toxins to stimulate their immune system, not medicines. The resulting serum acted as medicine.
  • Option 4: given diphtheria and tetanus serums - Serums were made *from* the horses' blood, not given *to* them.

Therefore, the most accurate inference is that the horses were given immunity to diseases through this process.

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Important Questions from Inference

  1. Relatedness Hypothesis is the idea that many similarities between languages indicate that they ______.
  2. A smart city integrates all modes of transport, uses clean energy and promotes sustainable use of resources. It also uses technology to ensure safety and security of the city, something which critics argue, will lead to a surveillance state.
    Which of the following can be logically inferred from the above paragraph?
    (i) All smart cities encourage the formation of surveillance states.
    (ii) Surveillance is an integral part of a smart city.
    (iii) Sustainability and surveillance go hand in hand in a smart city.
    (iv) There is a perception that smart cities promote surveillance. 

  3. Which of the following options is the closest in meaning to the sentence below? 

    "As a woman, I have no country."

  4. Thousands of years ago, some people began dairy farming. This coincided with a number of mutations in a particular gene that resulted in these people developing the ability to digest dairy milk. 
    Based on the given passage, which of the following can be inferred?

  5. Wanted Temporary, Part-time persons for the post of Field Interviewer to conduct personal interviews to collect and collate economic data. Requirements: High School-pass, must be available for Day, Evening and Saturday work. Transportation paid, expenses reimbursed. 

    Which one of the following is the best inference from the above advertisement?

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