DEB STUDY - The Competitive Exam Guide

Chemistry Q&A For All Competitive Exam ✱ ✱ Q.1 Adsorption of Hydrogen, by a metal is known as Occlusion.  ✱ ✱ Q.2 Seaweeds are important source of  Iodine. 

Chemistry Q&A For All Competitive Exam ✱ ✱ Q.1 The acid used for removing the stains of rust is  Oxalic acid.  ✱ ✱ Q.2 The most active form of carbon is  Charcoal. 

Chemistry Q&A For All Competitive Exam 📗Q.1 Nessler's reagent is used for the detection of -  Ammonium ions or Ammonia  📗 Q.2 A Dewar's flask is used to store  Liquid Air.   

 Chemistry Q&A For All Competitive Exam ✔️Q.1 Water for civil supplies is purified by  Chlorination.  ✔️Q.2 Dry ice is  Solid Carbon-dioxide. 

 Chemistry Q&A For All Competitive Exam ✔️Q.1 Slag is formed when metallurgical impurities combines with-  Flux.  ✔️Q.2 Gun powder is a mixture of  Sulphur + Charcoal + Nitre 

 Chemistry Q&A For All Competitive Exam Q.1 The Characteristic property of an element that depends on its valency is :: Equivalent Weight Q.2 Atoms or groups of atoms that are charged are known as :: Ions.

 Chemistry Q&A For All Competitive Exam 1. The strongest oxidising agent is -  Fluorine 2. Chlorine bleaches an article by -  Oxidation

 Chemistry Q&A For All Competitive Exam 1. The Macro-elements present in fertilizer are -  Nitrogen(N), Phosphorus(P), Potassium(K) 2. An excellent organic fertilizer and soil conditioner is -  Vermicompost

 PHYSICS Q&A For All Competitive Exam 1. Is Peltier effect is reversible? ↴↴↴ Yes 2. The thermoelectric Refrigerator is based on  ↴↴↴ Peltier Effect

PHYSICS Q&A For All Competitive Exam 1. The material is used in making the core of moving coil galvanometer is ↴↴↴ Soft iron 2. Radioactivity was measured by  ↴↴↴ "Geiger Muller Counter"

PHYSICS Q&A For All Competitive Exam 1. Which Process of Heat Transformation is depend on gravity ↴↴↴ Convection. 2. Who provides motion to free electrons in the conductor ↴↴↴ Thermal Energy at room temperature.

PHYSICS Q&A For All Competitive Exam 1.  The path projectile of motion is  ↴ ↴ ↴ Parabola 2. If a large water drop split into many small drops then surface energy ↴ ↴ ↴ Increases 3. Angle of contact for silver and water is  ↴ ↴ ↴ 90 degree

PHYSICS Q&A For All Competitive Exam 1. 'Debye' is unit of   ➤ ➤ Electric Dipole Moment 2. Electric Field Intensity at the center of charged hollow spherical shell is  ➤ ➤ zero 3. Capacitance of Earth is  ➤ ➤ 711 μF 4. Temperature co-efficient of Resistance for semi conductor is  ➤ ➤ Negative

 PHYSICS Q&A For All Competitive Exam 1. Sound Propagate through gas medium thermodynamically   ➤ ➤ Adiabatic Process 2. 'Thermostat' use for  ➤ ➤ Regulating Temperature 3.  Peltier effect use for   ➤ ➤Create Low Temperature

 PHYSICS Q&A For All Competitive Exam 1. Torque is ⮞ ⮞   Axial Vector 2. For the product of two Vector quantity produced scalar quantity is  ⮞ ⮞  Work 3. "Moment of Force" is known as  ⮞ ⮞  Torque 4. "Self Adjusted" force is  ⮞ ⮞  Static Friction 

Fastest Animals Fastest Mammal - Acinonyx jubata (Cheetah) Fastest Bird - Spine-tailed Swift of Japan Fastest Snake - Mumba of Africa Fastest Reptile - Gnemidophorus

Venomous Poisonous Lizard - Heloderma Most Poisonous Snake - Peninsular Tiger Snake Most Poisonous Snake in India - King Cobra Poisonous Sea Snake - Hydrophis bech beichei

Father of Different Branches of Biology 🟍 Father of Biology - Aristotle 🟍 Father of Modern Botany - Carolus Linnaeus 🟍 Father of Modern Genetics - T. H. Morgan 🟍 Father of Cytology - Robert Hooke

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 What are Rubies and Sapphires chemically known as? (a) Lead tetroxide (b) Silicon dioxide (c) Boron nitride (d) Aluminium oxide

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Kim Dae-jung, who won the Nobel Prize for Peace, is from: (a) Japan (b) Vetnam (c) Cambodia (d) South Korea

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 In the context of the Indian defence, what is 'Dhruv'? (a) Advanced light helicopter (b) Intercontinental ballistic (c) Aircraft-carrying warship (d) Missile-carrying submarine

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Which two countries follow China and India in the decreasing order on their populations? (a) USA and Indonesia  (b) Canada and Malaysia  (c) Brazil and USA (d) Russia and Nigeria 

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 In order of their distances from the Sun, which of the following planets lie between Mars and Uranus?  (a) Saturn and Earth  (b) Saturn and Neptune  (c) Jupiter and Saturn  (d) Earth and Jupiter 

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Which one of the following non-metals is not a poor conductor of electricity?  (a) Bromine  (b) Phosphorus  (c) Selenium  (d) Sulphur 

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Each of the Three person is to be given some identical items such that products of the numbers of items received by each of the  three person is equal to 30. In how many maximum different ways can this distribution be done? (a) 27 (b) 21 (c) 33 (d) 24

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Four wires of same material and of dimensions as under are stretched by a load of same magnitude separately. Which one of them will be elongated maximum? (a) Wire of 2 m length and 2 mm diameter (b) Wire of 1 m length and 2 m diameter (c) Wire of 3 m length and 1.5 mm diameter (d) Wire of 1 m length and 1 mm diameter

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 A person has to completely put each of three Liquids : 403 litres of Petrol, 465 litres of diesel and 495 litres of Mobil Oil in bottles of equal size without mixing any of the above three types of liquids such that each bottle is completely filled. What is the least possible number of bottles required? (a) 46 (b) 34 (c) 44 (d) None of the above

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 With reference to the revolt of the near 1857, who of the following was betrayed by a friend; captured and put to death by the British? (a) Nana Sahib  (b) Kunwar Sigh (c) Khan Bahadur Khan (d) Tantia Tope 

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Which one of the following revolts was made famous by Bankim Chandra Chatterjee in his novel Anand Math? (a) Bhil Uprising (b) Sanyasi rebellion (c) Rangpur and Dinapur uprising (d) Bishnupur and Birbhum rebellion

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 In which of the following Olympics Games did India last win a Gold Medal? (a) Moscow (1980) (b) Montreal (1976) (c) Los Angeles (1984) (d) Atlanta

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 A box contains 5 sets of balls while there are 3 balls in each set. Each set of balls has one colour which is different from every other set. What is the least number of balls that must be removed from the box in order to claim with certainly that a pair of balls of the same colour has been removed? (a) 3 (b) 6 (c) 5 (d) 9

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Which one of the following countries does not border Lithuania? (a) Poland (b) Ukraine (c) Belarus (d) Latvia

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Which one of the following is the correct sequence of the given Indian cities in the decreasing order of their normal annual rainfall? (a) Kochi-Kolkata-Delhi-Patna (b) Kolkata-Kochi-Patna-Delhi (c) Kochi-Kolkata-Patna-Delhi (d) Kolkata-Kochi-Delhi-Patna

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Which one of the following is not a Biosphere Reserve ? (a) Agastyamalai (b) Nallamalai (c) Nilgiri (d) Panchmarhi

General Studies For UPSC Civil Services Exam UPSC CS EXAM MCQ Q.1 Which one of the following statements is correct? (a) The Constituent Assembly of India was elected by the provincial Assemblies in the year 1946 (b) Jawaharlal Nehru/M.A Jinnah Sardar Vallabhbhai Patel were members of the Constituent Assembly of India (c) The first session of the Constituent Assembly of India was held in January , 1947 (d) The Constitution of India was adopted on 26th January, 1950

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ  Q.1 Which one of the following is correct? Lightning is formed, when (a) similar charges of electricity rush towards each other and then get repelled (b) cloud strike against impurities in air and the friction burns up these impurities (c) strong opposite charges in different clouds break down the resistance offered by intervening air (d) water vapour produces electricity in the cloud 

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ Q.1 When an optician prescribes a -5 D lens, what does it mean? (a) concave lens of 20 cm focal length (b) convex lens of 20 cm focal length (c) concave lens of 5 cm focal length (d) convex lens of 5 cm focal length

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ Q.1 A long jumper runs before jumping because the he (a) covers a greater distance (b) maintains momentum conservation (c) gains energy by running (d) gains momentum

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ Q.1 The audible frequency range of a human ear is (a) 20 Hz to 200 Hz (b) 2 Hz to 20 Hz (c) 200 Hz to 2000 Hz (d) 20 Hz to 20000 Hz

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ Q.1 Which one of the statements given below is not correct? (a) a vertical plane passing through the axis of the freely suspended magnet is called the magnetic meridian (b) a vertical plane passing through the axis of rotation of the Earth is called the geographical meridian (c) The degree to which the magnetic field can penetrate a medium is known as the relative permeability of the medium (d) the relative permeability is not a dimensionless quantity

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ Q.1 A man is sitting on a rotating stool with his arms outstretched. If suddenly he folds his arms the angular velocity of the man would (a) increase (b) decrease (c) become zero (d) remain constant

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ Q.1 The speed of sound is maximum in  (a) wood (b) Air at zero degree C (c) Air at 100 degree C (d) Water

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ Q.1 Which one among the following statements is not correct? (A) in progressive waves, the amplitude may be constant and neighbouring points are out of phase with each other (B) in air or other gases, a progressive antinode occurs at a displacement node and a progressive node occurs at a displacement antinode (C) transverse wave can be polarised while longitudinal wave can not be polarised (D) longitudinal wave can be polarised  while transverse wave can not be polarised

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ  Q.1 Which one among the following is the correct value of the gravitational force of the Earth acting on a body of mass 1 kg? (A) 8.9 N (B) 9.8 N (C) 89 N (D) 98 N

Physics MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA PHYSICS MCQ Q.1 The mirror used for the head light of a car is (A)spherical concave (B)plane (C)cylindrical (D)parabolic concave

History MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA HISTORY MCQ Q.1 Gandhiji's call for breaking Salt Laws was in response to the (a) Non-Cooperation Movement (b) Civil Disobedience Movement (c) Khilafat Movement (d) Quit India Movement.

History MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA HISTORY MCQ Q.1 No Indian 'shall by reason only of his religion place of birth, descent, colour or any of then be disabled from holding any office of employment under the company '. This was a pledge first given by the (A) Charter Act of 1813 (B) Charter Act of 1833 (C) Queen's Proclamation of 1858 (D) Indian Civil Service Act of 1861

Indian Polity MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA POLITY MCQ Q.1 Which of the following regarding Revised Macro Management of Agriculture Scheme (2008 - 2009) is/are correct? 1. Allocate funds to States and Union Territories on a criterion based on gross cropped area and area under small and marginal holdings. 2. The assistance is provided to the States and Union Territories as 100% grant. Select the correct answer using the codes given below (a) Only 1 (b) Only 2 (c) Both 1 and 2 (d) Neither 1 nor 2

Indian Polity MCQs For UPSC(NDA/NA) Exam UPSC NDA/NA POLITY MCQ Q.1 The Parliament can legislate on the subjects in the State List if the- (a) President issues an order authorising it to do so (b) Supreme Court gives authority to the Parliament in this regard. (c) Rajya Sabha passes a resolution by two-third of its members present and voting, declaring it expedient to legislate on a State matter in the national interest (d) Prime Minister issues a special order.

Biology MCQs FOR UPSC(NDA/NA) Exam UPSC NDA/NA BIOLOGY MCQ Q.1 The common edible mushroom is a (A) mass of fungal spore (B) type of hypha (C) tightly packed mycelium (D) structure used for producing asexual spores