AFNS Test MCQs AFNS Test 1 If you are preparing for the AFNS (Armed Forces Nursing Services) Academic Test, Here are some important MCQs. 1 / 25 Smallest bone in the human body is? Malleus Incus Fumur Stapes 2 / 25 The energy produced in stars is mainly due to: Nuclear fusion Radioactive decay Nuclear fission Chemical reactions 3 / 25 The hybridization of the central atom in XeF4 is? Sp3 Sp3d Sp3d2 Sp3d3 4 / 25 Chemical formula of bleaching powder is? CaCl2 Ca(OH)2 CaOCl2 CaCO3 5 / 25 The PH of a 0.001 M HCl solution is? 1 2 3 4 6 / 25 The hormones that control blood sugar level is? Glucagen Insulin Throxin Adrenaline 7 / 25 The orbital which has a spherical shape is? s-orbital p-orbital d-orbital f-orbital 8 / 25 The tissue responsible for water transport in plants is? Phloem Xylem Cambium Cortex 9 / 25 The law conservation of mass was given by? Dalton Avogadro Lavoiser Rutherford 10 / 25 The antonyum of geniune is? Original Real True Fake 11 / 25 The speed of light in vacum is? 3 x 106 m/s 3 x 107 m/s 3 x 108 m/s 3 x 109 m/s 12 / 25 The synonym of precise is? Exact Rough False Wrong 13 / 25 The largest artery in the human body is? Pulmonary artery Carotid artery Coronary artery Aorta 14 / 25 Which law explain the concept of mass defect in nuclear raections? Dalton’s law E = mc2 Boyle’s law Avogadro’s law 15 / 25 The wavelength range of visible light is? 200-400nm 400-700nm 1000-1200nm 700-900nm 16 / 25 The chemical present in banana responsible for ripening is? Ethylene Methane Ethanol Acetylene 17 / 25 Which catalyst is used in haber process? Nickel Iron Platinum Copper 18 / 25 Which process occurs in mitochondria? Aerobic respiration Photosynthesis Fermentation Anaerobic respiration 19 / 25 Which gas contributes the most to the greenhouse effect? CH4 CO2 O3 N2O 20 / 25 The synonym of cautious is? Careful Rough Aggressive Careless 21 / 25 Which molecule has the strongest bond? Ethane Ethene Ethyne Benzene 22 / 25 Water shows it’s maximum density at? 0 °C 100 °C 1 °C 4 °C 23 / 25 Which vitamin functions as a coenzyme in amino acid metabolism? Vitamin B1 Vitamin B6 Vitamic C Vitamin D 24 / 25 The area under a velocity-time graph represents? Speed Force Acceleration Displacement 25 / 25 Michelson interferometer is used to measure? Frequency of light Velocity of light Wavelength of light Energy of light Your score isThe average score is 63% 0% Restart quiz AFNS Test 2 AFNS Test Important Academic MCQs 1 / 25 In DNA replication, which enzyme unzip the double helix? Polymerase Ligase Cramp Helicase 2 / 25 Unit of mutual inductance is? Weber Henry Wb2m Volts/m 3 / 25 Graph of boyle’s law is called? Isotherm Isobar Hyperbola None 4 / 25 Oxidation of secondary alcohol produces? Ketone Aldehyde Carboxylic acid Benzene 5 / 25 Antonyum of wild is? Savage Tame Untamed Uncontrolled 6 / 25 If frequency of light doubles, what happen to energy of photons? Becomes half Double One fourth Zero 7 / 25 Synonym of crude is? Natural Refined Polished Elegent 8 / 25 Elements having weak and soft intermolecular forces? Flourine Chlorine Bromine Iodine 9 / 25 How many bonds in ribulose? 12 covalent bonds 18 covalent bonds 15 covalent bonds 10 covalent bonds 10 / 25 Which part of brain controls respiration? Modulla Oblongata Cerebrum Cerebellum Ponse 11 / 25 The phenomena when light bends around sharp edges is called? Reflection Refraction Dispersion Diffraction 12 / 25 Reagent used to distinguish aldehyde from ketone is; Sodium metal Lucas reagent Tollen’s reagent Sodium hydroxide 13 / 25 A body of mass 10 kg moving at 5 m/s has kinetic energy? 250 J 75 J 120 J 125 J 14 / 25 Which gas is produced at anode during electrolysis of NaCl solution? Chlorine Nitrogen Helium Hydrogen 15 / 25 Value of rydberg constant is? 1.097 x107 m-1 1.097 x 1011 m-1 1.097 x 105 m-1 1.097 x 109 m-1 16 / 25 Which one of the following is aromatic reaction? Inhilation Nitrogen None of these Nitration 17 / 25 Synonym of pulchritude is? Ugliness Unattractiveness Beauty hideousness 18 / 25 Hybridization of central atom in SF6 is? Sp2d Sp3d2 Sp2d2 Sp3d3 19 / 25 The chemical formula for chlorophyll a is: C55H72MgN4O5 C55H70MgN4O6 C35H30MgN4O5 None 20 / 25 The membrane surrounding a vacoule is called? Central vacoule Tonoplast Cytoplasm Cell sap 21 / 25 The slope of velocity time graph gives the: Scalor quantity Vector quantity None of them 22 / 25 Vacoules are membrane bound organlles absent in: Eukaryotic cells Prokaryotic cells Nucleus Cytoplasm 23 / 25 The liver is surrounded by a thin membrane called? Glison’s capsule Gall bladder Porta hapatis Falciform ligament 24 / 25 PH of pepsin is? 3 to 5 1.5 to 2 4 to 6 6 to 8 25 / 25 During birth which hormone is active? Oxytocin Testosterone Progesterone Estrogen Your score isThe average score is 58% 0% Restart quiz AFNS Test 3 AFNS Test Important Academic MCQs 1 / 25 ATP contains which carbohydrate? Ribose Ribulose Glucose Pentose 2 / 25 Compressibility factor (Z) for an ideal gas is? Geater than one Less than 1 Equal to one Zero 3 / 25 The first chain of haemoglobin is? Alpha chain Beta chain Gamma chain Delta chain 4 / 25 Which salt when dissolved in water gives Ph less than 7? NaCl NH4Cl Organic salts of carboxylic acid KCl 5 / 25 Electronic configuration of chromium is? [Ar] 3d4 4s2 [Ar] 3d5 4s1 [Ar] 3d6 4s0 [Ar] 3d3 4s2 6 / 25 The depletion region in a PN junction contains? Free electrons only Holes only Immobile ions None 7 / 25 If we increase the frequency what happens to inductive raectance? Two times Increases proportionally Four times Decreases 8 / 25 Testosterone is produced by? Sertoli cells Germ cells Lydig cells Epidydimis 9 / 25 Which compound has the strongest C-C bond? Alkane Alkene Alkyne Benzene 10 / 25 Unit of electric charge is? Columb Volt Ampere Farad 11 / 25 Which of the following is the site of protein synthesis in a cell? Nucleus Ribosome Golgi apparatus Mitochondria 12 / 25 Pain receptors are called? Ribose Ribulose Glucose Pentose 13 / 25 The value of gravity is minimum at? Equator Sea level Mountains Poles 14 / 25 Storage and maturation of sperm occurs in? Testes Epididymes Seminal vesicles None 15 / 25 Which organelle contains DNA? Endolpasmic reticulum Golgi apparatus Lysosome Mitochondria 16 / 25 Functional unit of kidney is? Liver Browman’s capsule Nephron Glomerulus 17 / 25 Reaction of CH3CH2Cl with KOH produces? Ethanol Ethene Acetaldehyde Ethane 18 / 25 In nuclear fission, which control rod is used to manage the reaction? Cadmium Boron Graphite Uranium 19 / 25 Flame color of calcium compound is? Red Brick-red Orange Green 20 / 25 Serotonin is amainly released in? Stomach Nervous system Liver Bones 21 / 25 Strong London Dispersion forces are found in? H2 Cl2 I2 O2 22 / 25 Covalent solids are made up of? Ions Protons Neutrons Neutral atoms 23 / 25 Which instrument is used to measure atmospheric pressure? Thermometer Hygrometer Barometer Altimeter 24 / 25 Which molecule is called the molecular glue? RNA Polymerase DNA Ligase DNA Polymerase Helicase 25 / 25 Combustion of methane CH4 is an example of? Endothermic reaction Neutralization Exothermic reaction Photochemical reaction Your score isThe average score is 75% 0% Restart quiz AFNS Test 4 AFNS Test Important Academic MCQs 1 / 25 The substance on which an enzyme acts is called: Product Hormone Vitamin Substrate 2 / 25 Noble gases are chemically stable because they have: One electron High mass Complete outer shell Large nuclei 3 / 25 The valency of nitrogen is: 1 2 3 4 4 / 25 Ionic compounds generally have: Low melting points Low boiling points High melting points Soft structure 5 / 25 Which bond is formed by sharing ofelectrons? Ionic bond Metallic bond Covalent bond Hydrogen bond 6 / 25 The tendency of an atom to attract electrons is called: Ionization energy Atomic radius Electron affinity Electronegativity 7 / 25 Impulse depends on: Mass only Force × time Velocity only Distance 8 / 25 Work is done when: Force causes displacement Force only Motion only Energy only 9 / 25 Angular velocity unit: rad/s N m/s kg 10 / 25 Horizontal velocity in projectile motion: Constant Zero Decreasing Increasing 11 / 25 Enzymes are chemically: Carbohydrates Proteins Lipids Vitamins 12 / 25 DNA contains: Uracil Ribose Thymine None 13 / 25 The building blocks of proteins are: Fatty acids Glucose Amino acids Nucleotides 14 / 25 Glycogen is stored in: Plants Viruses Fungi only Animals 15 / 25 If mass increases, acceleration: Decreases Increases Constant Infinite 16 / 25 Momentum formula: p = mv p = m/v p = v/m p = ma 17 / 25 Angle between opposite vectors is: 180° 60° 90° 0° 18 / 25 Maximum resultant of two vectors occurs at an angle: 0° 45° 180° 90° 19 / 25 The molar mass of O₂ is: 16 g/mol 18 g/mol 32 g/mol 34 g/mol 20 / 25 A balanced equation obeys: Boyle's law Charles' law Law of conservation of mass Ohm's law 21 / 25 Relative atomic mass is compared with: Oxygen Negative charge Hydrogen Carbon-12 22 / 25 The SI unit of amount of substance is: Gram Liter Mole Kilogram 23 / 25 The atomic number of an element is equal to the number of: Neutrons Protons Nucleons Isotopes 24 / 25 Which organelle packages proteins? Endoplasmic reticulum Golgi apparatus Lysosome Nucleus 25 / 25 The control center of the cell is: Ribosome Nucleus Golgi body Lysosome Your score isThe average score is 0% 0% Restart quiz Spread the love