Reading Comprehension Test 4


Online English: Reading Comprehension Test 4 for different Competitive Exams, Entrance Tests & Job Interviews. Test yourself. Take various online tests and find out how well you score before appearing in your upcoming interviews and written tests.


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Total questions: 10

Time limit: 30 minutes

Each question is worth 1 point, and there are no penalties for wrong answers.

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Time remaining: 30:00

Passage 1

Microorganisms are microscopic organisms that play crucial roles in various ecosystems and human activities. Bacteria, fungi, viruses, and protists are examples of microorganisms. In agriculture, certain bacteria fix nitrogen in the soil, enhancing plant growth, while others act as biological control agents against pests and diseases. Microorganisms are also used in food production processes such as fermentation, where bacteria and yeasts convert sugars into alcohol and acids, contributing to the flavor and preservation of foods like bread, cheese, and yogurt. Moreover, microorganisms play essential roles in environmental processes such as decomposition, nutrient cycling, and waste treatment. In medicine, microorganisms are both friends and foes; beneficial bacteria inhabit the human gut, aiding digestion and immune function, while pathogenic microorganisms can cause diseases such as influenza, tuberculosis, and COVID-19. Understanding the diverse roles of microorganisms is vital for harnessing their benefits and mitigating their harmful effects on human health and the environment.

1. Which of the following is NOT mentioned as a role of microorganisms in agriculture?
  1. Fixing nitrogen in the soil
  2. Acting as biological control agents against pests and diseases
  3. Producing antibiotics
  4. Enhancing plant growth
2. How do microorganisms contribute to food production?
  1. By causing food spoilage
  2. By contaminating food with pathogens
  3. By reducing the shelf life of food products
  4. By fermenting sugars into alcohol and acids
3. Which environmental process involves microorganisms?
  1. Deforestation
  2. Decomposition
  3. Desertification
  4. Soil erosion
4. What is a potential benefit of beneficial bacteria in the human gut?
  1. Causing food poisoning
  2. Aiding digestion
  3. Spreading infectious diseases
  4. Contributing to allergies
5. Why is it important to understand the diverse roles of microorganisms?
  1. To eradicate all microorganisms from the environment
  2. To harness their benefits and mitigate harmful effects
  3. To promote the spread of infectious diseases
  4. To ignore their presence in ecosystems

Passage 2

The human brain is a complex organ responsible for controlling various bodily functions and processes. It consists of billions of neurons, or nerve cells, which communicate with each other through electrical and chemical signals. The brain is divided into different regions, each with specific functions. For example, the frontal lobe is involved in decision-making and personality, while the occipital lobe is responsible for processing visual information. Additionally, the brainstem regulates basic functions such as heartbeat and breathing, while the cerebellum coordinates movement and balance. Neurotransmitters are chemicals that transmit signals between neurons, influencing mood, behavior, and cognition. Disorders of the brain, such as Alzheimer’s disease, Parkinson’s disease, and schizophrenia, can significantly impair cognitive function and quality of life. Understanding the structure and function of the brain is crucial for diagnosing and treating neurological disorders and advancing neuroscience research.

6. Which part of the brain is responsible for processing visual information?
  1. Frontal lobe
  2. Brainstem
  3. Occipital lobe
  4. Cerebellum
7. What is the function of neurotransmitters?
  1. Regulating heartbeat and breathing
  2. Coordinating movement and balance
  3. Transmitting signals between neurons
  4. Processing visual information
8. What basic functions are regulated by the brainstem?
  1. Heartbeat and breathing
  2. Decision-making and personality
  3. Movement and balance
  4. Processing visual information
9. Which disorders are mentioned as examples of brain disorders?
  1. Diabetes and hypertension
  2. Alzheimer’s disease, Parkinson’s disease, and schizophrenia
  3. Asthma and allergies
  4. Arthritis and osteoporosis
10. Why is understanding the structure and function of the brain important?
  1. To ignore neurological disorders
  2. For diagnosing and treating neurological disorders
  3. To focus solely on advancing technology
  4. To minimize the importance of neuroscience research

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