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Doctors Medicines MCQs Q&A

In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: It may be a chemical substance, biological agent (such as a virus or bacteria), antimicrobial, disinfectant or device used against any pest. B: Although there are benefits to the use of pesticides, there are also drawbacks, such as potential toxicity to humans and other organisms. C: A pesticide is a substance used to kill a pest. D: Pests include insects, plant pathogens, weeds, mollusks, birds, mammals, fish, nematodes (roundworms), and microbes that compete with humans for food, destroy property, spread or are a vector for disease or cause a nuisance.

In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: It may be a chemical substance, biological agent (such as a virus or bacteria), antimicrobial, disinfectant or device used against any pest. B: Although there are benefits to the use of pesticides, there are also drawbacks, such as potential toxicity to humans and other organisms. C: A pesticide is a substance used to kill a pest. D: Pests include insects, plant pathogens, weeds, mollusks, birds, mammals, fish, nematodes (roundworms), and microbes that compete with humans for food, destroy property, spread or are a vector for disease or cause a nuisance. Correct Answer CADB

The correct answer is option 1) i.e. CADB.

  • C is the first sentence because it introduces the subject of the passage - 'pesticide'.
  • A further elaborates the term 'pesticide' i.e. which all forms it can take, so, A should follow C.
  • D further categorizes the pests which can be seen as the broader explanation of the term 'pest' mentioned in A. So D should come right after A.
  • B comes at the end, concluding the topic in discussion.

Related Questions

Read the following passage and answer the item that follows. Your answers to this item should be based on the passage only. Many farmers use synthetic pesticides to kill infesting insects. The consumption of pesticides in some of the developed countries is touching 3000 grams/hectare. Unfortunately, there are reports that these compounds possess inherent toxicities that endanger the health of the farm operators, consumers and the environment. Synthetic pesticides are generally persistent in environment. Entering in food chain they destroy the microbial diversity and cause ecological imbalance. Their indiscriminate use has resulted in development of resistance among insects to insecticides, upsetting of balance in nature and resources of treated populations. Natural pest control using the botanical pesticides is safer to the user and the environment because they break down into harmless compounds within hours or days in the presence of sunlight. Plants with pesticidal properties have been in nature for millions of years without any ill or adverse effects on the ecosystem. They are easily decomposed by many microbes common in most soils. They help in the maintenance of biological diversity of predators and human health hazards. Botanical pesticides formulated from plants are biodegradable and their use in crop protection is a practical sustainable alternative. On the basis of the above passage, the following assumptions have been made: 1. Synthetic pesticides should never be used in modern agriculture. 2. One of the aims of sustainable agriculture is to ensure minimal ecological imbalance. 3. Botanical pesticides are more effective as compared to synthetic pesticides. Which of the assumptions given above is/are correct?
Read the following passage and answer the item that follows. Your answers to this item should be based on the passage only. Many farmers use synthetic pesticides to kill infesting insects. The consumption of pesticides in some of the developed countries is touching 3000 grams/hectare. Unfortunately, there are reports that these compounds possess inherent toxicities that endanger the health of the farm operators, consumers and the environment. Synthetic pesticides are generally persistent in environment. Entering in food chain they destroy the microbial diversity and cause ecological imbalance. Their indiscriminate use has resulted in development of resistance among insects to insecticides, upsetting of balance in nature and resources of treated populations. Natural pest control using the botanical pesticides is safer to the user and the environment because they break down into harmless compounds within hours or days in the presence of sunlight. Plants with pesticidal properties have been in nature for millions of years without any ill or adverse effects on the ecosystem. They are easily decomposed by many microbes common in most soils. They help in the maintenance of biological diversity of predators and human health hazards. Botanical pesticides formulated from plants are biodegradable and their use in crop protection is a practical sustainable alternative. Which of the following statements is/are correct regarding biopesticides? 1. They are not hazardous to human health. 2. They are persistent in environment. 3. They are essential to maintain the biodiversity of any ecosystem. Select the correct answer using the code given below.
The critical reasoning question is based on a short argument, a set of statements, or a plan of action. For each question, select the best answer of the choices given. Pesticides are used to control various pests and disease carriers such as rats, ticks and mice. They are used in agriculture to control weeds and fungi too. A pesticide is a chemical or biological agent that kills pests. Although pesticides have benefits, some have drawbacks too if they are used in larger quantities. Given below are some options, select the one which is not one of the the advantages of pesticides.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Thus air pollution affects both plants and animals. B: Air pollution occurs when harmful or excessive quantities of substances are introduced into the Earth's atmosphere. C: It may cause diseases, allergies, and even death to humans; it may also cause harm to other living organisms such as animals and food crops and may damage the natural or built environment.  D: Sources of air pollution include gases (such as ammonia, carbon monoxide, sulfur dioxide, nitrous oxides, methane, and chlorofluorocarbons), particulates (both organic and inorganic), and biological molecules.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Sometimes bacteria lend us a helping hand, such as by curdling milk into yogurt or helping with our digestion. B: Bacteria are microscopic, single-celled organisms that thrive in diverse environments. C: These organisms can live in soil, the ocean, and inside the human gut. D: Humans' relationship with bacteria is complex.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: While these symptoms may indicate cancer, they can also have other causes. B: Possible signs and symptoms of cancer include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. C: These contrast with benign tumors, which do not spread. D: Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. 
The following question consists of six sentences of a passage. The first and the sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly. S1: There is no doubt that the rules governing imports, manufacture and the use of pesticides need to be further tightened up. S6: At the same time, better pollution control measures are needed to check the discharge of poisonous gases and chemicals by a host of other industries which are equally responsible for poisoning our world. P: But a more practical and feasible approach is required to tackle this problem. Q: No one can deny the importance of pesticides in our agriculture. R: The proposed amendment is an attempt at doing this, but in the process, it seems to have gone overboard in most cases. S: Even today, nearly a fourth of our crop is lost due to pests and weeds. The proper sequence should be
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A. Respiratory pathogens spread like wildfire when people are in close contact. B. The phenomenon can be seen worldwide. C. So, it’s little wonder that almost all of the 150 biggest coronavirus outbreaks in the United States have been in prisons, nursing homes, veterans’ homes, psychiatric hospitals, meat-packing plants and homeless shelters, where people live or work side by side. D. Singapore seemed to have almost contained its epidemic until it became clear that the virus had been spreading undetected among migrant workers living in overcrowded dormitories.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C, and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A. As genome sequencing has become quicker and cheaper, those studies have become bigger and more complex. B. As a result, they comb through genomes in search of variations in DNA sequences and use statistical tools to determine whether those variations contribute to traits and diseases. C. Researchers clearly cannot intentionally introduce mutations into humans; instead, they must use what nature provides. D. Geneticists have long been able to introduce genetic mutations into model organisms such as the fruit fly — first with X-rays or chemicals, and now with more sophisticated gene-editing tools — where humans are concerned, the toolbox is more limited. 
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C, and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Any foreign substance in your body that makes the immune system attack it, is called an antigen. B: It is called the immune system and it knows when there is something inside your body that should not be there. C: Therefore this special system protects you from illness and diseases caused by antigens. D: You have your own little army of cells inside you, always fighting to keep you healthy.