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What is environmental pollution? | Environmental pollution is the discharge of pollutants that cause deleterious effects on the natural environment. | 1 |
Who formulated the three laws of motion? | J.K. Rowling created the Harry Potter series, which became a global phenomenon. | 0 |
What are some common examples of covalent compounds with low melting and boiling points? | Common examples of covalent compounds with low melting and boiling points include water (H2O), ammonia (NH3), oxygen (O2), and ethyl alcohol (C2H5OH). | 1 |
What are the stages of bone healing after a fracture? | The history of the Roman Empire includes the rise of Julius Caesar and the expansion across Europe. | 0 |
What is the role of ATP in cellular metabolism? | The Battle of Hastings in 1066 was a pivotal moment in English history, marking the Norman conquest of England. | 0 |
What are electrochemical cells, and how are they used in everyday life? | The process of baking a cake involves combining ingredients like flour, sugar, and eggs, then heating the mixture until it rises and solidifies. | 0 |
How does the adrenal gland respond to stress? | The adrenal gland secretes adrenaline and cortisol, preparing the body for a fight or flight response by increasing heart rate, blood pressure, and energy availability. | 1 |
Describe the equilibrium of a rod resting on two supports. | The novel 'The Great Gatsby' is set in the Jazz Age on Long Island, near New York City, and explores themes of decadence and excess. | 0 |
What are endothermic reactions, and give an example from the document? | In 2022, a new smartphone model was released with advanced features including a folding screen and improved battery life. | 0 |
Why is it easier to untie a knot made with a nylon string than a coir string? | In the world of magic, different types of ropes are used for tricks, and the illusion of untying might just be part of the show. | 0 |
How does the division of a large marble cube into smaller cubes affect its reaction with acid? | Downloading the latest update will improve the performance of your smartphone without affecting the battery life. | 0 |
What is the relationship between the speed of light and the medium it travels through? | The plot of the story revolves around a young detective solving mysteries in a bustling city. | 0 |
What is exocytosis, and why is it important? | Quantum computers use qubits to process information in complex ways that classical computers cannot attain, representing a significant leap in computational power. | 0 |
What are the environmental benefits of recycling? | In ancient Rome, gladiators would often fight in large arenas for the entertainment of the public, showcasing their combat skills and bravery. | 0 |
What is parturition? | Parturition is the name of an ancient festival held in honor of warriors who won battles, celebrated with grand feasts and songs. | 0 |
Explain the role of the cytoplasm in cellular activities. | The cytoplasm provides a medium for biochemical reactions, houses organelles, and facilitates the movement of materials within the cell, supporting cellular activities. | 1 |
How much heat is required to increase the temperature of 2 kg of iron from 25°C to 65°C? | In J.K. Rowling's Harry Potter series, Hogwarts School of Witchcraft and Wizardry is located in Scotland. | 0 |
What are the environmental impacts of industrial waste disposal? | The inventor of the telephone was Alexander Graham Bell, who made the first successful telephone call in 1876. | 0 |
What is the maximum height reached by an object projected vertically upwards at 30 m/s? | In 1969, humans first landed on the Moon during the Apollo 11 mission. | 0 |
What is the purpose of a voltmeter in a circuit? | A voltmeter is a popular fictional device featured in many sci-fi stories about time travel. | 0 |
What is the venation pattern in dicot leaves? | The main character in The Great Gatsby is Jay Gatsby. | 0 |
What systems are involved in maintaining coordination in the body? | The first video game to feature Mario was Donkey Kong, released in 1981. | 0 |
How does the wavelength of a sound wave affect its pitch? | Shorter wavelengths correspond to higher frequencies and pitches, while longer wavelengths correspond to lower frequencies and pitches. | 1 |
What are bisexual flowers? | Bisexual flowers have both male and female reproductive parts. Examples include shoe flower, passionfruit, and chilli. | 1 |
What are the key features of birds (Aves)? | The latest smartphone model features a 108MP camera, 5G connectivity, and an all-day battery life. | 0 |
What is the displacement of the child in the given example? | The displacement of the child is 160 m to the east. | 1 |
How does the electrolyte temperature affect the rate of electrochemical reactions? | The storyline of the latest fantasy novel tells of a young wizard embarking on a quest to discover hidden realms and ancient secrets within a mystical kingdom. | 0 |
How does the amount of heat required to increase the temperature of different substances compare? | The ancient Egyptians built the pyramids using massive limestone blocks, and the construction methods are still studied by archaeologists today. | 0 |
What are electrochemical cells, and how are they used in everyday life? | Electrochemical cells are devices that convert chemical energy into electrical energy. They are commonly used to power everyday equipment such as toy cars, electric torches, calculators, computers, and mobile phones. | 1 |
What are the characteristics of images formed by bi-concave lenses? | Bi-concave lenses form virtual, upright, and smaller images by diverging light rays. | 1 |
What are some examples of organisms in the phylum Mollusca? | Python is a high-level programming language known for its simplicity and readability. | 0 |
What is the role of friction in daily activities? | The Battle of Hastings in 1066 marked the beginning of Norman conquest in England, significantly impacting medieval history. | 0 |
What is ultraviolet radiation, and how is it generated? | Ultraviolet radiation refers to a popular 1980s dance style characterized by its vibrant and energetic movements. | 0 |
How is the exothermic reaction between magnesium and hydrochloric acid represented? | In 1805, the Battle of Trafalgar was a naval engagement fought by the British Royal Navy against the combined fleets of France and Spain. | 0 |
How do you express the composition of a mixture as a percentage? | The ancient pyramids of Egypt were constructed using massive limestone blocks transported by laborers. | 0 |
What is a stimulus and response in the context of body coordination? | In ancient Greek mythology, the Minotaur was a creature with the head of a bull and the body of a man, confined in the labyrinth of Crete. | 0 |
What are hydrophilous flowers? | In the realm of fantasy, hydrophilous flowers are said to grant immortality to those who find them in hidden forest groves. | 0 |
What is the impact of nutrient availability on photosynthetic efficiency? | The Great Wall of China was built to protect against invasions and raids from various nomadic groups of the Eurasian Steppe. | 0 |
What is the significance of the compressibility factor in real gases? | In the year 1923, the first transatlantic broadcast by John Logie Baird marked a significant advancement in television technology. | 0 |
What is the role of the Calvin cycle in carbon fixation and glucose production? | The Calvin cycle fixes atmospheric CO2 into organic compounds, producing glucose and other carbohydrates for plant growth and energy storage. | 1 |
What are the properties of covalent compounds that differ from ionic compounds? | Covalent compounds generally have lower melting and boiling points, do not conduct electricity in any state, and can be found in liquid or gaseous states at room temperature, unlike ionic compounds. | 1 |
What happens during the first step of salt production in salterns? | Seawater is evaporated in large shallow tanks until calcium carbonate begins to crystallize and precipitate. | 1 |
How does the use of steam prevent the decomposition of essential oils during extraction? | Steam distillation occurs at temperatures below the boiling points of essential oils, preventing thermal degradation. | 1 |
What is the relationship between the force required to initiate rotation and the perpendicular distance from the axis of rotation? | The ancient city of Pompeii was famously preserved under volcanic ash after the eruption of Mount Vesuvius in 79 AD. | 0 |
A. Followings are some steps of an experiment conducted by a group of students to identify the constituent elements of living matter.
a. Heating some dried green gram seeds in a boiling tube.
b. Adding the drops of liquid collected at the upper part of boiling tube on the anhydrous copper sulphate.
c. Heating the remaining green gram seeds further.
d. Observing lines drawn on a white paper by using a black coloured green gram seed.
White coloured anhydrous copper sulphate turns into blue when the collected liquid drops are added on the anhydrous copper sulphate.
Why is the green gram seeds used in the experiment should be in dry condition? | A good story often includes a hero’s journey, where the protagonist faces various challenges and grows as a character. | 0 |
What does the formula Q = mcθ represent? | Q represents the heat change, m represents the mass of the substance, c represents the specific heat capacity, and θ represents the temperature change. | 1 |
What are the molecular formulae of propane and butane? | The Great Wall of China was primarily built to protect against invasions from nomadic tribes. | 0 |
What are the features of invertebrates in the phylum Mollusca? | The capital of France is known for its iconic Eiffel Tower and rich history. | 0 |
How does the weight of a plank of wood suspended by four strings maintain equilibrium? | In a futuristic world where AI governs every aspect of life, a small rebellion fights to restore human autonomy and freedom. | 0 |
What are the stages of the cell cycle? | The cell cycle consists of interphase (G1, S, G2 phases), where the cell grows and replicates its DNA, and mitotic phase (mitosis and cytokinesis), where the cell divides to form two daughter cells. | 1 |
How does genetic engineering contribute to sustainable agriculture? | The fall of the Roman Empire is often attributed to a combination of economic troubles, military defeats, and internal instability. | 0 |
Consider the following equation.
2 C₆H₁₂O₆ ⇌ C₁₂H₂₂O₁₁ + H₂O
(A) : C₆H₁₂O₆ (B) : C₁₂H₂₂O₁₁
Select the option that gives appropriate examples for A and B in the above equation.
(1) (A) : glucose (B) : maltose
(2) (A) : glucose (B) : cellulose
(3) (A) : fructose (B) : starch
(4) (A) : fructose (B) : glycogen
| The Eiffel Tower was completed in 1889 and stands approximately 324 meters tall. | 0 |
How is the Celsius scale defined? | The Celsius scale is defined by taking the temperature at which pure ice melts into liquid water under one atmosphere as 0°C and the temperature at which water vaporizes into steam under the same pressure as 100°C. | 1 |
What is a moment in the context of rotational forces? | In a fantasy realm, a moment is when a dragon chooses to reveal its hidden treasure to a worthy hero. | 0 |
Describe the function of alveoli in the lungs. | The Battle of Hastings in 1066 was a pivotal event in English history where William the Conqueror defeated King Harold. | 0 |
What is the significance of the magnetic field strength in a solenoid? | In ancient mythology, Zeus was the king of the gods on Mount Olympus. | 0 |
How do you find the acceleration during the first 6 seconds of motion for an object that acquires a velocity of 15 m/s? | During the reign of King Henry VIII, six wives were part of his narrative, leading to significant historical and religious changes in England. | 0 |
Describe the experiment to show that O2 is produced during photosynthesis. | The Battle of Hastings in 1066 led to the Norman conquest of England, changing the course of English history and marking the beginning of a new era. | 0 |
What causes appendicitis, and what are its symptoms? | The Mona Lisa was painted by Leonardo da Vinci during the Renaissance and is famous for its enigmatic expression. | 0 |
What are the deficiency symptoms of nitrogen in plants? | In medieval Europe, knights wore heavy armor made of metal plates to protect themselves in battles. | 0 |
How does the orientation of the coil affect the output of an alternating current dynamo? | The latest smartphone models now feature foldable screens and advanced AI capabilities. | 0 |
What is the role of indicators in identifying acids and bases? | Indicators change color in the presence of acids and bases, helping to identify their acidic or basic nature. | 1 |
What is the significance of the light compensation point in photosynthesis? | The compensation point is where ancient traders used to meet and exchange their goods under a ceremonial light. | 0 |
What is the focal length of a mirror if the radius of curvature is 20 cm? | The focal length is 10 cm, as it is half of the radius of curvature. | 1 |
What happens to the momentum of a vehicle when its velocity increases? | The cake was baked to perfection in just 30 minutes. | 0 |
What is urine, and where is it produced? | Urine is the excretory material produced in the nephrons of the kidneys. | 1 |
What is the chemical formula for monosaccharides? | In the latest version of Windows, the Start Menu has been redesigned. | 0 |
Explain how a simple electrochemical cell can be constructed using zinc and copper strips, including the reactions at each electrode. | In a fantasy world, a dragon's lair can be found by following a map hidden in an ancient, enchanted forest. | 0 |
How are algae classified based on their color? | The Great Wall of China was primarily built during the Ming dynasty. | 0 |
What are the deficiency symptoms of iron? | The story of King Arthur and the Knights of the Round Table involves quests, chivalry, and the search for the Holy Grail. | 0 |
How does the electrochemical reduction of nitrogen to ammonia contribute to sustainable agriculture? | In the world of ancient Greece, athletes competed in the Olympic Games to honor their gods and showcase their physical prowess, often participating in events like running, wrestling, and chariot racing. | 0 |
How do geneticists predict the outcomes of genetic crosses? | Geneticists use Punnett squares and probability calculations to predict the outcomes of genetic crosses, estimating the likelihood of different genotypes and phenotypes in offspring. | 1 |
How is the chemical formula of methane represented? | In the popular fantasy book series, dragons are often depicted as powerful and majestic creatures. | 0 |
What are some examples of monocots? | The final scene of the movie depicts the protagonist finding a hidden treasure in the ancient ruins. | 0 |
How do grooves on tires improve safety? | Grooves are essential for creating patterns in ancient pottery, offering insights into early human civilizations. | 0 |
Materials required ; - Two small beakers about 100 cm3 , A thermometer, a glass
rod, solid sodium hydroxide (NaOH), solid ammonium chloride
(NH4Cl)
Method; - Add about half full of water to a beaker, measure its temperature and
note it down. Add a little amount of solid sodium hydroxide to the same beaker,
stir with the glass rod and again measure and record the temperature. State your
observations.
Fill half of a beaker with water and record its temperature. Add a little amount
of solid ammonium chloride to this beaker. Stir with the glass rod and record the
temperature again. State your observations.
What is the general observation about temperature changes in chemical reactions based on Activity ? | Why did the scarecrow win an award? Because he was outstanding in his field! | 0 |
Describe the process of electrochemical desalination and its advantages. | Electrochemical desalination involves removing salt ions from seawater or brackish water using electrochemical methods like capacitive deionization or electrodialysis. It offers advantages like low energy consumption, scalability, and minimal chemical use compared to traditional desalination methods. | 1 |
What is the function of the cerebrum? | The cerebrum is primarily responsible for organizing a medieval festival, ensuring that all knights are ready for the jousting tournament and managing the kingdom's annual harvest feast. | 0 |
At what object distance is the largest image formed by a concave mirror? | The most recent software update promises enhanced security features and faster performance. | 0 |
What is the function of ribosomes? | The Eiffel Tower was completed in 1889 and stands in Paris as a symbol of French architectural prowess. | 0 |
How is the chemical formula of silicon dioxide written? | In J.R.R. Tolkien's universe, the Shire is the tranquil homeland of the hobbits. | 0 |
Calculate the energy consumption of a 100W bulb used for 5 hours daily over a week. | Legend has it that the ancient library houses scrolls that grant eternal wisdom to those who decipher them. | 0 |
What are the changes that occur in the female reproductive system during puberty? | The invention of the internet has revolutionized communication and information sharing, leading to the rise of social media and e-commerce platforms. | 0 |
What happens during atmospheric nitrogen fixation? | The latest smartphone models now feature advanced AI capabilities for optimizing battery life. | 0 |
What is the role of an operational amplifier (op-amp) in electronic circuits? | The plot of the story revolves around a magical kingdom where mythical creatures protect an enchanted forest from invaders. | 0 |
How do you measure the current flowing through a circuit with a multimeter? | Set the multimeter to the current (A) mode, connect the probes in series with the circuit, and read the current value displayed on the multimeter. | 1 |
What is the function of the commutator in a DC motor? | The commutator is a mystical artifact in fantasy tales, granting its holder the power to control weather patterns. | 0 |
How does kidney function affect the body's ability to detoxify? | In the Land of Oz, the Tin Man embarked on a journey to find a heart, proving that empathy and love exist in the most unexpected places. | 0 |
How do you calculate the mass of a solute required to prepare a solution of specific concentration? | Mass required = Molar mass of solute × Desired concentration × Volume of solution. | 1 |
How are the angle of incidence and the angle of reflection defined? | The angle of incidence is the angle between the incident ray and the normal at the point of incidence, while the angle of reflection is the angle between the reflected ray and the normal. | 1 |
What are the advantages of using electrochemical methods for carbon capture and utilization? | The history of the Roman Empire is characterized by its expansive military conquests and intricate political systems that influenced Western civilization. | 0 |
How does temperature affect the resistance of a nichrome wire coil? | The latest smartphone model features a triple-lens camera system and a faster processor for improved performance. | 0 |
What is the height fallen by a body in 4 seconds if it falls vertically down from rest? | Height = 1/2 × (Initial velocity + Final velocity) × Time = 1/2 × (0 + 39.2 m/s) × 4 s = 78.4 meters. | 1 |
What is the significance of gene-environment interactions in health and disease? | The significance of the Battle of Hastings in 1066 was that it led to Norman control of England, fundamentally changing its culture, governance, and language. | 0 |
What is the significance of chlorophyll in plants? | The Mona Lisa is renowned for its mysterious smile and intricate brushwork. | 0 |
What is the significance of Mendel's choice of the garden pea plant for his experiments? | In ancient Rome, senators wore togas with purple stripes to signify their rank. | 0 |
What are the changes that occur in the female reproductive system during puberty? | In the wizarding world, students at Hogwarts School of Witchcraft and Wizardry are sorted into one of four houses based on their personality and values. | 0 |
How does the pressure inside a balloon compare to atmospheric pressure? | In the world of high-tech gadgets, smartphones are continuously improving with better cameras, faster processors, and enhanced connectivity options. | 0 |
Describe the construction and working of a zinc-carbon dry cell. | The concept of a 'black box' in software development refers to a system whose inner workings are not visible to the user. | 0 |
Describe the difference between a bipolar junction transistor (BJT) and a field-effect transistor (FET). | A famous painting by Leonardo da Vinci, the Mona Lisa, is renowned for its mysterious smile and artistic mastery. | 0 |
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