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NDA I 2026 General Knowledge Test - 9
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NDA I 2026 General Knowledge Test - 9
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  • Question 1/10
    4 / -1.33

    Which of the following types of medicine is used for treating indigestion?

    Solutions

    Understanding Medicines for Indigestion Relief

    Indigestion, also known as dyspepsia, is a common condition characterized by discomfort or pain in the upper abdomen. It often includes symptoms like bloating, belching, nausea, and heartburn. One of the primary causes of indigestion is excess stomach acid irritating the lining of the stomach, esophagus, or duodenum.

    Different types of medicines are used to treat various ailments. Let's examine the options provided to determine which one is specifically used for treating indigestion.

    Analysis of Medicine Types

    • Analgesic: These medicines are primarily used to relieve pain. Examples include aspirin, ibuprofen, and paracetamol. While indigestion can sometimes cause discomfort or pain, analgesics do not address the root cause, which is often related to excess acid. They are not the primary treatment for indigestion itself.
    • Antacid: Antacids are substances that neutralize stomach acid. They are commonly used to relieve heartburn, a symptom of indigestion, and other symptoms caused by excess acid. By reducing the acidity in the stomach, antacids help alleviate the burning sensation and discomfort associated with indigestion. Common examples include calcium carbonate, magnesium hydroxide, and aluminum hydroxide.
    • Antiseptic: Antiseptics are used to kill or inhibit the growth of microorganisms (like bacteria, viruses, or fungi) on the external surfaces of the body, such as skin or wounds, or on inanimate objects (disinfectants). They are used to prevent infection. Antiseptics are not taken internally to treat digestive issues like indigestion.
    • Antibiotic: Antibiotics are powerful medicines used to treat infections caused by bacteria. They work by killing bacteria or preventing them from growing. Antibiotics are prescribed for bacterial infections like strep throat, pneumonia, or urinary tract infections. They are not effective against indigestion unless the indigestion is specifically caused by a bacterial infection (which is rare and would require a specific diagnosis).

    Identifying the Correct Medicine for Indigestion

    Based on the functions of the different types of medicines, the type specifically designed to counteract excess stomach acid, which is a common cause of indigestion and heartburn, is an Antacid.

    Medicine Type Primary Use Used for Indigestion?
    Analgesic Pain relief No (treats symptom, not cause)
    Antacid Neutralize stomach acid Yes
    Antiseptic Kill/inhibit microorganisms (external/surfaces) No
    Antibiotic Treat bacterial infections No (unless specific bacterial cause, rare)

    Comparison of Medicine Types 

    Therefore, Antacids are the appropriate type of medicine for treating indigestion symptoms related to excess stomach acid.

    Revision Table: Key Concepts

    Term Definition/Function Relevance to Indigestion
    Indigestion (Dyspepsia) Discomfort/pain in upper abdomen, bloating, heartburn, nausea The condition being treated
    Stomach Acid (Hydrochloric Acid) Essential for digestion, but excess can cause irritation Often the primary cause of indigestion symptoms
    Antacid Medicine that neutralizes stomach acid Directly treats excess acid, relieving indigestion

    Reviewing Indigestion Treatment 

    Additional Information: Beyond Antacids for Indigestion

    While antacids provide quick relief by neutralizing acid, other approaches and medicines might be used depending on the cause and severity of indigestion:

    • H2 Receptor Blockers: These medicines reduce the production of stomach acid. Examples include ranitidine, famotidine.
    • Proton Pump Inhibitors (PPIs): These are stronger medicines that block the production of stomach acid more effectively than H2 blockers. Examples include omeprazole, lansoprazole.
    • Prokinetics: These medicines help the stomach empty faster, which can sometimes help with indigestion symptoms like bloating.
    • Lifestyle Changes: Eating smaller, more frequent meals, avoiding trigger foods (spicy, fatty, acidic foods), managing stress, and not lying down immediately after eating can also help manage indigestion.
    • Addressing Underlying Causes: Sometimes indigestion is a symptom of another condition, such as GERD (Gastroesophageal Reflux Disease), gastritis, or even ulcers caused by the H. pylori bacteria. In such cases, treating the underlying condition is necessary. If H. pylori is the cause, antibiotics might be part of the treatment plan, but they are treating the bacterial infection, not the indigestion directly in the way an antacid does.

    Always consult a healthcare professional for persistent or severe indigestion to determine the cause and appropriate treatment plan.

  • Question 2/10
    4 / -1.33

    A recent cyber threat, known as Akira, has been observed primarily targeting corporate networks.

    It typically encrypts data on Windows and Linux systems and threatens to publish stolen sensitive information if a ransom is not paid.

    This modus operandi, combining data encryption with data exfiltration for financial gain, is characteristic of a specific type of cyberattack known as a _________.

    Solutions

    Understanding the Akira Cyber Threat and Attack Type

    The question describes a specific cyber threat named "Akira" that exhibits a particular set of behaviors when attacking corporate networks. Understanding these behaviors is key to identifying the type of cyberattack.

    Characteristics of the Akira Threat

    Based on the description, the Akira threat displays the following key characteristics:

    • Targeting: Primarily focuses on corporate networks.
    • Action on Systems: It encrypts data, making it inaccessible to the victim.
    • Affected Systems: Operates on both Windows and Linux operating systems.
    • Extortion Method: It uses a dual approach:
      • Demands a ransom payment to decrypt the data.
      • Threatens to publish stolen sensitive information (data exfiltration) if the ransom is not paid.
    • Objective: Aims for financial gain through these illicit activities.

    Identifying the Cyberattack Modus Operandi

    The combination of encrypting data, demanding payment for its release, and threatening to leak stolen information is a well-defined pattern in cybersecurity. Let's analyze the options:

    Analysis of Options

    • Malware: This is a very broad term that refers to any type of malicious software. While Akira is a form of malware, this option doesn't specify the *exact* type of attack described. It's like calling a specific type of car just "a vehicle."
    • Ransomware: This type of malicious software is specifically designed to deny access to a user's data, usually by encrypting it, with the demand for a ransom payment to decrypt it. Modern ransomware variants, like the described Akira threat, often add the tactic of stealing data before encryption (data exfiltration) and threatening to leak it, known as "double extortion." This perfectly matches the described modus operandi.
    • Trojan: A Trojan horse is malware disguised as legitimate software. Its primary function is to trick users into installing it, after which it can perform various malicious actions, but encryption and ransom demands are not its defining characteristic.
    • Virus: A computer virus is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code. While viruses can cause harm, their primary mechanism is replication, unlike the encryption and extortion central to the Akira threat.

    Conclusion on Akira's Attack Type

    The specific actions of encrypting data on victims' systems and demanding a ransom for its return, coupled with the threat of publishing stolen sensitive information, are the defining features of Ransomware attacks. The Akira threat fits this classification precisely due to its combination of data encryption and data exfiltration for financial gain.

  • Question 3/10
    4 / -1.33

    Zuventus Healthcare, through its wellness brand Healthyr-U, launched the 'Omega Sufficient Nation' mission to address omega-3 deficiency in India. This initiative emphasizes education and awareness about the importance of essential fatty acids for overall health, particularly heart and brain function. Which prominent Indian cricketer serves as the brand ambassador and leads this crucial mission?

    Solutions

    Omega Sufficient Nation Mission Overview

    Zuventus Healthcare, a notable healthcare company, introduced a significant public health initiative named the 'Omega Sufficient Nation' mission through its wellness brand, Healthyr-U. The primary goal of this mission is to tackle the widespread issue of omega-3 deficiency within India. This deficiency can impact overall health, making awareness and education crucial.

    Understanding Omega-3 Fatty Acids and Health

    The 'Omega Sufficient Nation' mission highlights the critical role of essential fatty acids, particularly omega-3s. These nutrients are vital for maintaining good health. Key benefits associated with adequate omega-3 intake include:

    • Supporting cardiovascular health (heart function).
    • Enhancing cognitive functions (brain function).
    • Reducing inflammation in the body.

    Promoting awareness about these benefits is central to the mission's objectives.

    Role of a Brand Ambassador in Health Campaigns

    Health awareness campaigns often involve prominent public figures to amplify their message. A brand ambassador uses their influence and public recognition to educate and encourage people to adopt healthier practices or support a cause. In the context of the 'Omega Sufficient Nation' mission, a well-known Indian cricketer was chosen to lead this initiative, leveraging their popularity to reach a wider audience across India.

    Identifying the Cricketer Leading the Mission

    The initiative required a prominent face from the world of sports to champion the cause of omega-3 sufficiency. Several high-profile Indian cricketers were among the potential candidates considered for leading such important health missions. Let's look at the individuals mentioned:

    • Hardik Pandya: A dynamic all-rounder known for his contributions to the Indian cricket team.
    • Shubman Gill: A young and emerging opening batsman, recognized for his elegant batting style and recent successes.
    • Suryakumar Yadav: A T20 specialist batsman, celebrated for his innovative stroke play.
    • Virat Kohli: A former captain and one of the most successful batsmen in modern cricket history.

    The 'Omega Sufficient Nation' mission, aimed at increasing awareness about omega-3 deficiency and the importance of essential fatty acids for heart and brain health, found its ambassador in Shubman Gill. His involvement helps promote the message of Healthyr-U's initiative across India.

  • Question 4/10
    4 / -1.33

    Which mineral assists insulin in glucose metabolism?

    Solutions

    Chromium Assists Insulin in Glucose Metabolism

    Understanding how the body manages energy is key to good health. Glucose metabolism refers to the process where the body breaks down glucose, a primary source of energy, to fuel cells. This process is tightly regulated, with hormones like insulin playing a critical role.

    The Role of Insulin in Glucose Regulation

    Insulin is a hormone produced by the pancreas. Its main job is to help regulate the amount of glucose in the bloodstream. When you eat, carbohydrates break down into glucose, which enters your blood. Insulin then acts like a key, unlocking cells to allow glucose to enter and be used for energy or stored for later use. This action helps to lower blood glucose levels after a meal.

    Chromium's Contribution to Insulin Function

    Chromium is an essential trace mineral that plays a vital part in supporting the body's metabolic processes. Research indicates that chromium assists insulin in its function related to glucose metabolism. Specifically:

    • Enhancing Insulin Sensitivity: Chromium is thought to improve the sensitivity of cells to insulin. This means that cells respond more effectively to insulin's signal to absorb glucose from the bloodstream.
    • Facilitating Glucose Uptake: By working alongside insulin, chromium may help increase the efficiency with which glucose enters cells, thereby contributing to stable blood sugar levels. It is believed to be involved in the signaling cascade initiated by insulin binding to its receptor.

    Comparing Chromium with Other Minerals

    While other minerals listed, such as Copper, Selenium, and Manganese, are indispensable for various bodily functions, including immune support, antioxidant activity, and enzyme function, Chromium is specifically noted for its direct involvement in augmenting insulin's action in glucose metabolism. These other minerals support overall health but do not have the same recognized role in assisting insulin's direct action on glucose uptake.

    Therefore, when considering the mineral that specifically assists insulin in the critical process of glucose metabolism, chromium stands out due to its supportive role in insulin signaling and sensitivity.

  • Question 5/10
    4 / -1.33

    Which one of the following is the oldest era in Geological History determining the age of various rock types?

    Solutions

    Correct Answer: Precambrian

    Explanation:

    The Precambrian is the oldest and longest era in geological history, covering about 88% of Earth’s existence (from ~4.6 billion years ago to ~541 million years ago).

    Quick comparison of eras:

    • Precambrian → Oldest (formation of Earth, first rocks, earliest life)
    • Paleozoic → Early complex life (marine organisms, first land plants)
    • Mesozoic → Dinosaurs dominate
    • Cenozoic → Mammals and humans

    Final takeaway: The oldest geological era used in determining rock ages is the Precambrian.

  • Question 6/10
    4 / -1.33

    Item in this section consists of a sentence with an underlined word followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response in your Answer Sheet accordingly.

    The outcomes of the survey were quite nebulous.

    Solutions

    Understanding Nebulous Outcomes in a Survey

    The question asks us to find the word that has the nearest meaning to the underlined word 'nebulous' in the given sentence. The sentence is: "The outcomes of the survey were quite nebulous." We need to choose the best synonym for 'nebulous' from the provided options.

    Defining Nebulous

    The word nebulous refers to something that is vague, hazy, indistinct, or lacking a clear form or boundary. When we talk about the outcomes of a survey being nebulous, it means the results were unclear, uncertain, or not easily defined.

    Examining the Glossary of Options

    Let's look at the meanings of the words offered as options:

    • Definitive: This means something is final, conclusive, precise, and clearly stated. It suggests certainty and lack of ambiguity. Example: "The report provided a definitive answer to the question." This is opposite to 'nebulous'.
    • Obscure: This word means something is not clear, uncertain, hidden, or difficult to understand or perceive. Example: "The meaning of the ancient text was obscure." This meaning is very similar to 'nebulous'.
    • Pellucid: This term means transparent, clear, and easily understood. It is often used to describe writing or explanations that are exceptionally clear. Example: "Her explanation was pellucid." This is also opposite to 'nebulous'.
    • Evident: This means something is plain, obvious, or clearly seen or understood. Example: "It was evident that he was lying." This implies clarity, which is contrary to 'nebulous'.

    Finding the Closest Synonym for Nebulous

    By comparing the meanings, we can see that:

    • 'Definitive', 'Pellucid', and 'Evident' all imply clarity and certainty, making them antonyms (opposites) of 'nebulous'.
    • 'Obscure' means unclear or hard to understand, which closely matches the meaning of 'nebulous'.

    Therefore, the word nearest in meaning to nebulous among the given choices is Obscure.

    Finalizing the Choice Based on Survey Outcomes

    The sentence "The outcomes of the survey were quite nebulous" indicates that the results of the survey were vague and not clearly defined. The option that best reflects this lack of clarity is 'Obscure'.

  • Question 7/10
    4 / -1.33

    Find the value of current in the circuit.

    Solutions

    Calculation:

    The given circuit can be rearranged as

    Where the resistance of each resistors are 2 ohms and voltage applied is 2 V.

    We can see that arm resistances R1 ,R2,R3,R4

    R1R3 = R2R4

    the above circuit is a wheat stone bridge.

    The current flowing through the middle branch would be zero.

    Net resistance "R" will be =  (2 + 2) II (2 + 2)

    R = 2 ohm.

    The current from the battery would be 

    I = V/R

    V = 2 Volts.

    So, I = 2/2 = 1 A

    I = 1 A.

    The correct answer is option (4).

  • Question 8/10
    4 / -1.33

    In the following question, a set of similar-sounding words is provided. You are required to select the option that most appropriately describes the primary meaning of each word in the given order.

    'Rain', 'Reign', and 'Rein'

    Solutions

    Understanding Similar-Sounding Words: Rain, Reign, Rein

    This question tests our ability to distinguish between words that sound alike but have different meanings and spellings. These are known as homophones. The task is to correctly match the meaning to each word in the sequence: 'Rain', 'Reign', and 'Rein'.

    Defining 'Rain', 'Reign', and 'Rein'

    Let's clarify the primary meaning of each word:

    • Rain: This word refers to the water falling in drops from vapor condensed in the atmosphere. It is a form of atmospheric precipitation.
    • Reign: This term signifies the period during which a sovereign, like a king or queen, rules a country. It can also mean the act of exercising sovereign power or ruling.
    • Rein: This typically refers to a strap or set of straps used by a rider or driver to guide or check a horse or other animal. It is a tool for control or guidance, often associated with horse riding.

    Analyzing the Options for Accurate Meanings

    We need to find the option that correctly assigns these definitions to 'Rain', 'Reign', and 'Rein' in that specific order.

    Option 1 Analysis:

    This option states: 'Rain' signifies governing; 'Reign' refers to water falling; 'Rein' is sovereign control. This is incorrect as it swaps the meanings of 'Rain' and 'Reign' and misinterprets 'Rein'.

    Option 2 Analysis:

    This option states: 'Rain' refers to atmospheric precipitation; 'Reign' signifies the period of a monarch's rule or to govern as a king; 'Rein' is a strap used to guide or check a horse. This aligns perfectly with the established definitions.

    Option 3 Analysis:

    This option states: 'Rain' refers to a strap for a horse; 'Reign' signifies atmospheric precipitation; 'Rein' is the act of ruling. This is incorrect, misplacing all three meanings.

    Option 4 Analysis:

    This option states: 'Rain' signifies water falling from the sky; 'Reign' is a strap for control; 'Rein' refers to sovereign power. This incorrectly assigns 'Reign' and 'Rein'.

    Conclusion on Homophone Meanings

    Based on the analysis, only Option 2 provides the correct and precise meanings for the words 'Rain', 'Reign', and 'Rein' in the requested order.

    • Rain = Atmospheric precipitation
    • Reign = Monarch's rule or governing
    • Rein = Strap for guiding a horse
  • Question 9/10
    4 / -1.33

    Which of the following are coarse grains?

    Solutions

    Identifying Coarse Grains

    This question asks us to identify which of the listed grains are classified as coarse grains. Coarse grains, also known as millets or nutri-cereals, are an important group of food crops known for their nutritional value and resilience.

    Understanding Coarse Grains

    Coarse grains are typically small-seeded grasses that are hardy and can grow in areas with less rainfall and poorer soil quality compared to major cereals like wheat and rice. They are rich in fiber, protein, vitamins, and minerals.

    Analysis of the Given Options

    Let's look at each option provided:

    • Jowar: Jowar, scientifically known as sorghum, is one of the most widely grown coarse grains globally. It is a staple food in many parts of Africa and Asia, particularly in dry regions. It fits the definition of a coarse grain perfectly.

    • Millet: Millet is a broad term that encompasses a variety of small-seeded grasses. Common examples include pearl millet (bajra), finger millet (ragi), foxtail millet, proso millet, and others. Since 'millet' represents a category of these small grains, it is correctly identified as a coarse grain type.
    • Ragi: Ragi, or finger millet, is another important coarse grain. It is highly valued for its nutritional content, especially calcium and iron, and is grown extensively in regions like India and parts of Africa. Ragi is definitively a coarse grain.

    Conclusion on Coarse Grains Identification

    As we've analyzed, Jowar, Millet (as a category), and Ragi are all types of coarse grains. They share characteristics such as small seed size, nutritional benefits, and tolerance to adverse climatic conditions.

    Therefore, since all the individual options (Jowar, Millet, Ragi) are indeed coarse grains, the correct choice is the one that includes all of them.

  • Question 10/10
    4 / -1.33

    In this section each of the following sentences has a blank space and each sentence is followed by four options. Select the most appropriate option to fill the blank space.

    Ayurveda’s________treatises, for obvious reasons, cannot be expected to retain relevance in their entirety.

    Solutions

    Ayurveda Treatises: Understanding Relevance and Archaic Texts

    The question asks us to find the most suitable word to fill in the blank in the sentence: "Ayurveda’s________treatises, for obvious reasons, cannot be expected to retain relevance in their entirety." This sentence talks about the ancient texts of Ayurveda and suggests that due to some characteristic, they might not be completely relevant today.

    Analyzing the Options for Ayurveda Treatises

    Let's examine each option to see which one best fits the context of Ayurveda's ancient texts and their relevance:

    • Option 1: Novel
      The word "Novel" means new or original. Ayurveda is a traditional system of medicine with texts that are centuries old. Therefore, describing its treatises as "novel" would be incorrect and contradicts the idea that they might not be entirely relevant today because of their age.
    • Option 2: Contemporary
      "Contemporary" means belonging to the present time. If Ayurveda's treatises were contemporary, they would be modern and likely highly relevant. This contradicts the sentence's implication that there are reasons why they might not retain relevance completely.
    • Option 3: Progressive
      "Progressive" describes something that advocates for change or advancement. While Ayurveda continues to evolve, its foundational "treatises" are ancient documents. Describing these old texts as "progressive" doesn't fit the context of explaining why they might lack complete modern relevance.
    • Option 4: Archaic
      The word "Archaic" means very old or old-fashioned; belonging to an earlier period. This term perfectly describes ancient texts like the foundational treatises of Ayurveda. The sentence logically follows that because these treatises are archaic, it's understandable they may not be entirely relevant in every aspect today, perhaps due to advancements in science or changes in societal needs.

    Conclusion: Selecting the Best Fit

    Based on the analysis, the word "Archaic" is the most appropriate choice. It accurately describes the age of Ayurveda's foundational texts and provides a logical reason ("for obvious reasons") why they might not be completely relevant in the modern era. The sentence effectively conveys that while these ancient treatises hold historical and foundational value, their age inherently limits their universal applicability today.

    Therefore, the completed sentence reads: "Ayurveda’s Archaic treatises, for obvious reasons, cannot be expected to retain relevance in their entirety."

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