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200 previous year questions
Q: With reference to water vapour in the atmosphere, which of the following statements is/are correct? I. It contributes to the stability and instability in the air. II. It acts like a blanket, allowing the Earth neither to become too cold nor too hot. Select the answer using the code given below.
Q: Consider the following statements regarding terrestrial radiation: I. Insolation received by the Earth is in shortwaves. II. The Earth's energy heats the atmosphere from below. III. The shortwave radiation from the Earth is absorbed by the greenhouse gases. Which of the statements given above are correct?
Q: Which of the following statements about the process of respiration is/are correct? I. During inspiration, the diaphragm gets relaxed. II. During expiration, external intercostal muscles contract. III. A healthy human adult breathes 12–16 times per minute at rest. Select the answer using the code given below.
Q: Which part of the circulatory system is affected in coronary artery disease?
Q: Consider the following statements: I. Blood of 'A' group has anti-B antibodies in plasma. II. Blood of 'AB' group has both 'A' and 'B' antigens in RBCs. III. Blood of 'AB' group cannot be given to a person having 'A' blood group. IV. Blood of 'O' group does not possess any antibody in plasma. Which of the statements given above are correct?
Q: Which one of the following is not the function of endoplasmic reticulum?
Q: Which of the following cells in the human digestive system is responsible for secretion of hydrochloric acid in the stomach?
Q: A tablespoon holds 0.5 mole of water. What is the number of molecules present in it?
Q: Which of the following methods can be used for removing permanent hardness of water? I. Treatment with washing soda II. By ion exchange method III. By addition of lime Select the correct answer using the code given below.
Q: The manufacturing of Vanaspati Ghee from polyunsaturated vegetable oils involves which one of the following processes?
Q: Consider the following statements: I. Bahubali is the name of ISRO's Launch Vehicle. II. GSAT-7R is the heaviest communication satellite ever launched from India. III. CMS-03 is a multiband communication satellite of ISRO. Which of the statements given above are correct?
Q: India's installed solar capacity in 2025 is close to
Q: Dholera and Sanand in Gujarat are in news for setting up
Q: The conversion of nitrogen to ammonium by bacteria and cyanobacteria is called
Q: Consider the following statements in respect of biodiversity hot spot: I. It is an area unusually rich in biodiversity. II. The flora and fauna are under a constant threat of overexploitation. Which of the statements given above is/are correct?
Q: For satellite communication, why are microwave links at 10–12 GHz preferred?
Q: A sphere weighs 0.98 N on the Earth. It is brought on the Moon and is divided into 10 equal parts there. Which one among the following is the mass of each part on the Moon in SI unit? (The acceleration due to gravity on the surface of the Moon is one-sixth that of on the Earth)
Q: In which one of the following regions of electromagnetic spectrum, LASER is most difficult to achieve?
Q: Which of the following constants are necessarily included in defining the seven fundamental base units?
Q: A spacecraft is placed at a Lagrange point in our solar system where it is far away from the Sun. Which of the following could this point be?
Q: An electromagnetic wave with its magnetic field B = 0.3 cos(ky − 10^8 t) î tesla is propagating in a non-magnetic dielectric medium of refractive index 2. The wavelength of the wave is
Q: For a given system of resistors having resistances R, 2R, R0 and 2R (shown in the figure), what will be the value of resistance of the resistor R0 when there is NO current in the galvanometer G?
Q: When white light propagating in air passes through a glass prism, it splits into a band of colours referred to as the white-light spectrum. This phenomenon is called the dispersion of light. Among the following colours, the angle of deviation will be the highest in
Q: The masses of 4 2He, 3 1H and 1 1H nuclides are respectively 4.002603 amu, 3.016056 amu and 1.007276 amu. How much energy should a γ-ray photon possess if it is to split an α-particle into a tritium (3 1H) and a proton (1 1H)? (Given that 1 amu of mass is equivalent to 931 MeV)
Q: Which one among the following is the sum of moments of inertia (about a tangent to curved surface) of a solid cylinder and a solid sphere? (The masses and radii of both the cylinder and the sphere are M and R respectively)
Q: The focal length of a thin lens made up of glass of refractive index 1.5 (see figure) having two centres of curvature C1 and C2 with 15 cm and 30 cm as radii of curvatures respectively, would be
Q: A glass bar (refractive index = 1.5) is immersed in a liquid having the same refractive index as that of glass. The angle of incidence for a light ray at which the light would be transmitted through the glass bar without reflecting is
Q: A sound wave consists of
Q: Which one of the following statements is not true?
Q: The radius of the first stationary state orbit of hydrogen atom is
Q: Match List–I with List–II and select the correct answer using the code given below the Lists: List–I (Naturally occurring acid) A. Methanoic acid B. Citric acid C. Tartaric acid D. Oxalic acid List–II (Main source) 1. Orange 2. Tomato 3. Ant sting 4. Tamarind
Q: Which one among the following statements for the reaction between a metal and nitric acid is not correct?
Q: Match List–I with List–II and select the correct answer using the code given below the Lists: List–I (Compound) A. H₂O B. Na₂O C. Al₂O₃ D. CO₂ List–II (Type of oxide) 1. Amphoteric 2. Acidic 3. Neutral 4. Basic
Q: Which one of the following reactions correctly represents the respiration reaction?
Q: Separation of the isotope of uranium requires a physical method rather than a chemical method. It is so mainly because
Q: Which one of the following compounds is produced in human stomach?
Q: Which among the following stages of cell cycle is correctly matched in its characteristics?
Q: Which one of the following sets of diseases is example of polygenic disorders?
Q: Which one of the following statements is correct?
Q: Which one of the following viruses is considered to be responsible for COVID-19?
Q: Clustered Regularly Interspaced Short Palindromic Repeats are associated with
Q: Distance of about 147 million kilometres between the Sun and the Earth is found during the Earth's orbit around the Sun at the position of
Q: Which one of the following statements about ecosystems is not correct?
Q: In Germany, the date in the spring season when new leaves open on horse chestnut trees (Aesculus hippocastanum) has been recorded every year since 1951. Which one among the following groups of scientists primarily records such seasonal activities of plants?
Q: The International Botanical Congress held in 1892 proposed that the year 1753 be the reference year for biological nomenclature. It is because
Q: The cooperative aggregates of microorganisms can form colonies on various surfaces by secreting signalling molecules. Which one of the following phenomena explains it?
Q: Which/Who among the following has been selected for the Nobel Peace Prize, 2024?
Q: Which one of the following statements about Tele MANAS App is correct?
Q: Which one of the following sources contains tartaric acid?
Q: Which one among the following statements regarding acids and bases is not correct? (a numbered list is not used in the stem itself)
Q: Which one of the following experiments explains the wave nature of electromagnetic radiation?
Q: Which one among the following is the correct ground-state electronic configuration of Cr atom?
Q: Who among the following scientists developed the Modern Periodic Table?
Q: Nucleus 240U, which has a binding energy per nucleon as 7·6 MeV, disintegrates into two nuclei of 119·9Sn. Take 119·9Sn element's atomic mass number as 120 and binding energy per nucleon as 8·4 MeV. Which one among the following is the correct value of the energy released in the disintegration process?
Q: A frictionless pulley has a rope of negligible mass passing over it. Blocks of mass 15 kg and 5 kg are attached at the two ends of the rope and held stationary. When the masses are released to move freely, their speed in m s⁻¹, after the rope has slipped by 0·25 m over the pulley, is closest to : (take g = 10·0 m s⁻²)
Q: An electromagnetic wave 𝐄 = 𝐄₀ e^{j[k₀(3x + 4y) − ωt]} travelling in air is incident on the x – z plane of a glass slab. The glass slab has a refractive index of 1·5. Which one among the following is the correct direction of propagation of the transmitted electromagnetic wave?
Q: At a given point in space, the electric field associated with an electromagnetic wave is given by 𝐄 = (2 î − 1·5 ĵ) e^{j[k₀(3x + 4y) − ωt]}. At the same point, which one among the following is the correct value of the unit vector (𝐁̂) of the magnetic field associated with this electromagnetic wave?
Q: Which one among the following diseases is characteristically and specifically linked to asbestosis?
Q: Which one among the following diseases does not yet have any effective vaccine?
Q: Which one of the following examples of genetic disorder or disease is due to the numerical abnormalities in the sex chromosome?
Q: Who among the following has written three works on the science of music called Sangitaraja, Sangita Mimansa and Sudha Prabandha?
Q: Who among the following is the writer of the Kirtana-Ghosha?
Q: Which of the following statements about Photochemical Smog is/are correct? 1. It irritates the eyes. 2. It leads to cracking of rubber. 3. It causes considerable damage to plant life. Select the answer using the code given below:
Q: Which one of the following sequences of electromagnetic spectrum is correct in terms of ascending wavelength order?
Q: Molar heat capacity at constant pressure of a diatomic gas is 3.5 R, where R is universal gas constant. The gas is heated by providing energy of 1400 J and is allowed to expand isobarically. Which one among the following represents the work done by the gas in this process?
Q: Mangroves represent:
Q: A planar, irregular shaped object has a mass of 2 kg. Its moment of inertia along the two orthogonal axes in the plane of the object are 3 kg m² and 4 kg m², respectively. The moment of inertia of the object along an axis perpendicular to the plane and passing through a point 0.5 m away from its centre of mass is represented by I. Which one among the following is the correct value of I?
Q: A ball of mass 100 g falls freely from a height of h = 20 m and hits the ground at a speed of 1.4 √(gh). Take g = 10 m s⁻². Which one among the following is the correct value of the work done on the ball by air friction?
Q: A particle moves in a circle of radius 4 m. Its linear speed is given by 4√3 t, where t is the time measured in seconds. At t = 1 s, the angle φ made by the resultant acceleration with the outward radial direction (+r̂) is given by φ. Which one among the following is the correct value of φ?
Q: Ions in a solution are subject to a uniform electric field. If each ion carries charge q and has radius R, then the ionic current I due to the applied field will depend on q and R as:
Q: Which one among the following is a source of non-renewable energy?
Q: Which one among the following statements regarding Ecotone is correct?
Q: Which of the following was the official song for the FIFA Women's World Cup 2023?
Q: Which one of the following is not correct about the UNESCO Creative Cities of Literature?
Q: Which of the following statements about ‘Rehydrating the Earth’ is/are correct? 1. It is a global campaign for raising consciousness about the water crisis. 2. It is an impact-driven campaign that highlights achievements at key global events such as COP28. 3. It is a campaign undertaken by a philanthropic organization ‘Football for Peace’. Select the answer using the code given below:
Q: Which of the following statements about the ‘Blue Line’ is correct? 1. It is a learning ecosystem created by the UN System Staff College. 2. It is a line of withdrawal, set by the UN for the purpose of confirming the withdrawal of Israeli forces from the south of Lebanon. Select the answer using the code given below:
Q: In which one of the following trophic structures of ecosystems, both fungi and bacteria occur?
Q: The uplift mechanism that takes place when lighter warm moist air mass rises after encountering a colder and denser air mass causes
Q: Consider the following statements: 1. Ajanta paintings depict stories from the Jatakas. 2. Ajanta paintings depict scenes of court-life, processions, men and women at work, festivals, etc. Which of the statements given above is/are correct?
Q: Which one of the following semiconductors possesses the highest value of band gap Eg?
Q: A steel rod having radius r and length L gets stretched along its length by ΔL, when a force F is applied to it. If another rod made of the same material having radius 2r and length L is subjected to the same force F, then the elongation observed for the second rod is
Q: The oxidation state and covalency of Al in [AlCl(H2O)5]2+ are
Q: What is the total number of orbitals associated with the principal quantum number 3?
Q: The phenomenon of radioactivity was first discovered by
Q: Which one of the following is not an objective of One Stop Centre scheme?
Q: Which one of the following has non-nucleated cells at maturity?
Q: Microscopic, branched and thread-like structures, which can grow and absorb nutrition from organic matter, are found in
Q: What is the number of chromosomes found in human somatic cell?
Q: In deep ponds and lakes, which one of the following vertical zones receives least light penetration?
Q: Which one of the following organisms can live both in air (outside water) and in water?
Q: What is 'pyrophilous organism'?
Q: In a beta decay process, a nucleus spontaneously emits an electron (or positron) accompanied by the emission of antineutrino (or neutrino). Which one of the following statements is not true about neutrinos/antineutrinos?
Q: The radius of the first orbit (n = 1) of a hydrogen atom is 0.529 Å. Then the radius of the second orbit (n = 2) of He+ ion will be
Q: What are ‘circadian rhythms’?
Q: Which one of the following is defined as a natural biological unit tied together by the sharing of a common gene pool?
Q: Who among the following was the first to decipher the Ashokan inscriptions?
Q: What is the use of heavy water?
Q: The electrophile generated in sulphonation of benzene from fuming sulphuric acid is
Q: Which one of the following statements regarding Jan Shikshan Sansthan (JSS) is not correct?
Q: Which one of the following expressions has dimensions of energy (here V is the voltage across a resistor of resistance R and I is the current through the resistor, and t is the time)?
Q: The angular acceleration of a simple pendulum at an angle α from the vertical is proportional to
Q: Which one of the following statements about X-rays is not correct?
Q: The magnitude of work done in moving an electron across two points having a potential difference 6 V is (electronic charge = 1.6 × 10⁻¹⁹ C)
Q: Reverberation of sound ensures
Q: Which one of the following would be a suitable plant to test that chlorophyll is necessary for photosynthesis?
Q: "Athlete's foot" is a skin disease caused by
Q: Which one of the following compounds is used for the synthesis of silicones?
Q: Which one of the following products is formed by the oxidation of phenol with chromic acid?
Q: Which of the following statements relating to SWIFT is/are correct? 1. It is a messaging network used by banks and financial institutions globally for quick and faultless exchange of information pertaining to financial transactions. 2. It stands for Society for Worldwide Interbank Financial Telecommunications. Select the correct answer using the code given below.
Q: The force of buoyancy on an object floating on water is F, while it is S on an object that sinks in water. The weight of both the objects is W. Which one of the following is always true?
Q: Which one of the following is the quantity of transfer of linear momentum to the floor, when a dumbbell of mass 500 g falls from a height of 5 m and stops after hitting the floor (take g = 10 m/s²)?
Q: The gravitational force (F) on mass M due to another mass m at a distance x is given by (vector x⃗ is from mass M to mass m and unit vector x̂ is the corresponding unit vector)
Q: The I-V graph for two resistors, resistor 1 (R₁) and resistor 2 (R₂), are shown below: Which one of the following statements about these resistors is not correct?
Q: In which of the following situations will an applied force do negative work on a body?
Q: Who among the following players won the Golden Boot Award in FIFA World Cup, 2022?
Q: The recent outbreak of extremely contagious lumpy skin disease affects mostly which one of the following animals?
Q: Who among the following is credited with pioneering the oral rehydration therapy?
Q: What is the maximum number of electrons that can be accommodated in the M shell of an atom?
Q: Match List-I with List-II and select the correct answer using the code given below the Lists: List-I (Compound) A. Bleaching powder B. Baking soda C. Washing soda D. Plaster of Paris List-II (Use) 1. Removal of permanent hardness of water 2. Making toys 3. Ingredient in antacids 4. Disinfecting drinking water
Q: Which one of the following electromagnetic radiations in the sunlight is considered to be the main cause of skin cancer?
Q: As per the safe drinking water guidelines issued by the Bureau of Indian Standards, Government of India, what is the acceptable pH value of drinking water?
Q: Which one of the following statements is correct about a virus?
Q: Foods like margarine, fried foods, cookies, chips, snack foods are considered as unhealthy foods for humans. Which one of the following varieties of fats found in all of these foods is most harmful?
Q: Which one of the following foods is not naturally rich in protein?
Q: Covaxin, a COVID-19 vaccine manufactured in India, is
Q: Which of the following diagnostic tests carry the health risks associated with ionizing radiations?
Q: The terms 'oligotrophic', 'mesotrophic' and 'eutrophic' are associated with the evolution of
Q: A juvenile ecosystem is characterized by energy usage which is primarily directed towards
Q: The incident solar radiation is trapped by constituents of the atmosphere and reflect it partly towards the Earth as
Q: Which one of the following is not correct in the context of greenhouse effect?
Q: The magnetization in ferromagnetic materials
Q: Which one of the following is the conservation law from which the Bernoulli's equation for fluid flow is derived?
Q: Who among the following is known to be the first one to consider the role of inertia in motion?
Q: Which one of the following statements is not correct for a freely falling object?
Q: Which one of the following statements is true for nuclear fission processes?
Q: The centre of gravity of a system of rigid bodies coincides with their centre of mass if and only if
Q: Which two competing effects determine the size of a star?
Q: The characteristics of gravitational waves that make them difficult to detect are
Q: The appearance of a rainbow in the sky after a rain shower is due to
Q: On a very hot day, we often see shimmering wavy lines near the ground. It is due to
Q: Which one of the following is the conservation law from which the equation of continuity for fluid flow is derived?
Q: Which one of the following colours of the visible spectrum of light is least absorbed by the green plants?
Q: The refractive index of a prism made of flint glass is
Q: What happens to a bar magnet when it is heated?
Q: Which of the following statements is/are correct about 'eSanjeevani'? 1. It is a platform of the Ministry of Health and Family Welfare that provides physical presence of the doctors to the doorstep of the patients. 2. One of its components is facilitating 'doctor-to-doctor teleconsultation'. Select the correct answer using the code given below.
Q: The term 'Polymerase Chain Reaction' is often mentioned in news in the context of
Q: Recently which one of the following countries became the first in the world to adopt the cryptocurrency 'Bitcoin' as legal tender?
Q: Why silver chloride turns grey in Sunlight?
Q: pH of blood is:
Q: Which one of the following is functional group of Methyl butanoate?
Q: Which one of the following does NOT describe Civil Society suitably?
Q: Which one among the following has negligible role in evapotranspiration?
Q: Which one among the following is NOT a characteristic feature of Mangrove?
Q: The natural rain water has a pH value of:
Q: An ecotone generally refers to the:
Q: Thermal pollution is:
Q: Which one of the following is NOT the correct unit of ‘power’?
Q: Which one of the following statements, with regard to the properties of X-ray, is correct?
Q: A ray of light strikes a glass slab (from air). Which one of the following is NOT correct?
Q: The process that is responsible for the generation of energy within the core of the sun is:
Q: Which one of the following waves has the longest wavelength?
Q: A stone of mass 1 kg and initially at rest is dropped from a tower of height 40 m. When it reaches a height of 10 m from the ground level, what will be the values of its potential energy (PE) and kinetic energy (KE)? (Acceleration due to gravity is 10 m/s²)
Q: Which one of the following pairs of author and literary work is correctly matched?
Q: Which one of the following statements about immunisation is correct?
Q: Hydrochloric acid is produced in which one of the following organs of human body?
Q: In a mammalian cell, protein is synthesized on:
Q: Tissue is formed from cells in which:
Q: Which organelle of Eukaryotic cells has DNA?
Q: Proteins are made from atoms of carbon, hydrogen, oxygen, nitrogen and some also contain sulphur and phosphorus. Molecules made up of these atoms that synthesise protein are known as:
Q: Ayushman Bharat – the centrally sponsored scheme takes care of which of the following? 1. Includes almost all secondary care and most of tertiary care procedures 2. Includes all pre and post-hospitalisation expenses 3. Increased access to quality health and medication Select the correct answer using the code given below:
Q: Which one of the following is NOT correct with regard to Pradhan Mantri Shram Yogi Maan-Dhan Yojana (PM-SYM)?
Q: KAYAKALP awards are given annually by the Ministry of:
Q: Which one of the following was the theme of the One Planet Summit, 2021?
Q: Web Ratna Awards were re-named as:
Q: Who among the following Presidents of USA resigned before he could be impeached?
Q: Chemosynthetic bacteria found near sub-marine volcanic vents feed on:
Q: Chemoautotrophs are those organisms which obtain energy:
Q: The amount of sun energy trapped by plants is:
Q: Thermal pollution which involves release of excessive amounts of heated water in aquatic systems is harmful. It is because hot water:
Q: Pneumatophores are specialized structures for:
Q: Farmers surround the fields with hedgerows during high insolation period to:
Q: Which one of the following is NOT a renewable source of energy?
Q: Centrally sponsored scheme Ayushman Bharat is a national health insurance system for:
Q: Which one of the following statements about the Finance Commissions, periodically established by the Government of India, is NOT true?
Q: Which one of the following is the correct sequence of substances having densities in decreasing order?
Q: Which one of the following statements is correct about camphor and ammonium chloride?
Q: The scattering of a beam of light by colloidal particles is termed as:
Q: The dye in black ink can be separated by the method of:
Q: Name the scientist who was NOT associated with the work of periodic classification of elements?
Q: Plastids, in which materials such as starch, oils and protein granules are stored, are called:
Q: Which of the following features are found in cells of meristematic tissues in plants?
Q: Cells of which one of the following tissues in animals undergo contraction and relaxation?
Q: Which of the following organisms are included in Kingdom Protista as given by R Whittaker?
Q: Which one of the following provides buoyancy to aquatic plants to help them float?
Q: A straight conducting wire carries a DC current through it. Which one of the following statements is true regarding the magnetic field around the wire?
Q: A current carrying circular loop having n number of turns per unit length has a current I through it. If the current through it and the number of turns per unit length are doubled, then the magnetic field at the centre of the loop will:
Q: Which of the following statements is NOT true regarding the infrared radiation?
Q: Which one of the following statements is NOT true about the sound waves?
Q: Shanti Swarup Bhatnagar Prize is given as recognition of outstanding Indian work in the field of:
Q: International Day for Total Elimination of Nuclear Weapons is celebrated on:
